Open Source & Linux in Production

Not hyperscale operators, but the support and integration layer that makes resilient hybrid estates viable for organizations that lack in-house cross-platform depth.

1. ATRC (atrc.net.pk) / Muftasoft Karachi-based ICT company since 1992; structured Linux training and certification, commercial support for proprietary and open-source software, system integration across industrial, SCADA, telecom, and enterprise contexts.
2. Remote Support LLC (remote-support.space) Affiliated with ATRC; “No Fix, No Pay” fixed-price remote support with defined deliverables; scope spans servers, networking, SaaS, industrial automation, SCADA, IoT, and explicitly “Linux & Open Source, fixed-fee deployment.”

1. Amazon / AWSLinux underpins cloud scalability and security across its infrastructure.
2. GoogleRuns its own Linux-based infrastructure at global scale.
3. IBMMajor Linux supporter integrating it into enterprise hardware and systems.
4. Red HatPlatform many of the others run on; over 90% of Fortune 500 use its solutions.
5. SUSEEnterprise Linux provider; over 60% of Fortune 500 trust it for business-critical workloads.
6. CanonicalUbuntu publisher; named in VMware-to-OpenStack migration pathways.
7. RackspaceOpenStack migration and managed cloud provider; OpenStack Platinum member and contributor.
8. OVHcloudRuns thousands of production Kubernetes clusters with Cilium and eBPF.
9. WorteksOpenStack migration specialist.
10. ZConverterVMware-to-OpenStack migration tooling.
11. VanillaCoreEuropean sovereign cloud provider using open technologies.
12. StackHPCOpen-source HPC/AI consultancy; contributes to Ceph, Ansible, OVN, Linux kernel, Kubernetes.
13. Hetzner OnlineGerman hosting provider known for Linux infrastructure.
14. LeaseWebDebian partner providing high-availability server capacity.
15. DigitalOceanUbuntu default-image VPS provider driving Linux adoption.
16. 1&1Debian partner with high-performance datacenter capacity.
17. AmpereProvides ARM64 hardware for Debian infrastructure.
18. Hewlett Packard Enterprise (HPE)Provides Debian port development and mirror hardware.
19. Dell TechnologiesTop SUSE Linux Enterprise Server user and major Linux server vendor.
20. SupermicroLinux server vendor.
21. MicrowayLinux server vendor.
22. Oracle CorporationDetected running Ubuntu across production subdomains; also a Linux distributor.
23. Cisco SystemsServer OS industry player; networking infrastructure heavily Linux-based.
24. FujitsuServer OS industry player.
25. NEC CorporationServer OS industry player and long-standing Linux kernel contributor.
26. UnisysServer OS industry player.
27. Stratus TechnologiesServer OS industry player focused on high availability.
28. EricssonOpenInfra Platinum Member and OpenStack contributor advancing open-source cloud infrastructure.
29. HuaweiOpenInfra Platinum Member and major upstream Linux kernel contributor.
30. Wind RiverOpenInfra Platinum Member.
31. OkestroOpenInfra Platinum Member.
32. CachengoOpenInfra Platinum Member.
33. Ant GroupUses Kata Containers and Confidential Containers for GPU-accelerated AI pipeline isolation and attestation.
34. NVIDIACollaborates on confidential computing for AI with Kata Containers; OpenStack contributor.
35. WorkdayUses Zuul CI/CD gating to prevent breakages before code lands; doubled OpenStack footprint to 2.84 million cores.
36. BMW GroupUses Zuul for CI/CD gating; listed among Linux/Open Source companies.
37. Infosys50% reduction in data management operational costs for a European telecom operator using Kubernetes and OPA.
38. MichelinZero customer-impacting outages during migration; replaced two CNIs with Cilium; 44% platform cost reduction.
39. SwisscomPioneered sovereign cloud with open-source Kubernetes, powered by KubeVirt and Kube-OVN.
40. SNCF (France’s National Railway)On-premises Kubernetes with Cluster API and ArgoCD for strategic autonomy.
41. BRZ (Austrian Business Service Portal)Near-zero downtime deployments through GitOps; migrated 2M+ users to Keycloak.
42. DataGalaxyProcesses ~25 million messages monthly using Dapr.
43. OpenTalkListed CNCF end-user case study.
44. FlipkartCentralised multi-tenant resilience platform with LitmusChaos; contributed improvements upstream.
45. Aussie BroadbandModernised operations with Kubernetes across multiple facilities after vanilla Kubeadm clusters proved unsustainable.
46. UpholdRuns all critical systems on Kubernetes.
47. NavantiaSpanish naval/defence company using RHEL and Device Edge for essential systems.
48. Big River SteelMigrated mission-critical systems to Proxmox VE with Ceph for a resilient, stable plant backbone.
49. MSI SurfacesMigrated high-availability infrastructure from VMware to Proxmox VE without sacrificing performance or reliability.
50. LinkserMigrated critical payment processing infrastructure to Proxmox VE.
51. SalesforceIncrementally migrated its entire software estate—200,000 systems—to Red Hat Enterprise Linux to standardize its hybrid cloud.
52. WixMigrated 1,000 MySQL servers across 160 clusters in 30 days with zero downtime, moving from end-of-life CentOS 7 to Graviton-based instances.
53. CybozuListed among CNCF end-user case studies, indicating production cloud-native operations.
54. LY CorporationScaled Kubernetes from 5 clusters in 2017 to 1,300+ clusters and 40,000+ nodes, supporting 600 application projects on a multi-tenant internal PaaS.
55. Preferred NetworksCNCF end-user case study; deep-learning and AI infrastructure company running open-source stacks.
56. iFLYTEKWon a CNCF case-study contest for scalable AI infrastructure using Volcano, an open-source batch scheduler.
57. MeltwaterListed as an OpenTelemetry adopter, indicating observability built on open standards.
58. Mercado LibreOpenTelemetry adopter; Latin America’s largest e-commerce platform runs observability on open instrumentation.
59. AlibabaOpenTelemetry adopter with large-scale cloud-native infrastructure.
60. AppDirectOpenTelemetry adopter; subscription commerce platform.
61. loveholidaysCNCF/OpenTelemetry case study; processed trillions of hotel/flight combinations per day while reducing MTTD and increasing observability with Linkerd.
62. Delivery HeroOpenTelemetry adopter; global food-delivery platform.
63. Bureau.idOpenTelemetry adopter; identity-verification platform.
64. DeFactoCNCF/OpenTelemetry case study; retail technology.
65. Hitachi Ltd.Uses Red Hat OpenShift AI as the cornerstone of a comprehensive, governed internal AI platform across the enterprise.
66. Northrop GrummanInstalled a 30,000-core GPU farm using OpenShift AI and GitOps, integrating workload identity federation across clouds.
67. IntelTop Linux kernel contributor by changesets; named as a SUSE customer, embedding open-source engineering into silicon enablement rather than consuming it downstream.
68. AMDTop-tier Linux kernel contributor, reflecting hardware enablement done upstream rather than through proprietary blobs.
69. LinaroContributes to the kernel as an engineering organization focused on Arm enablement.
70. Linutronix (Linarotech)Moved up the kernel contributor rankings through sustained work on the timer subsystem.
71. Meta (Facebook)Listed among top Linux kernel contributors, running its fleet on a kernel it materially shapes.
72. SamsungKernel contributor via CREDITS entries; also Samsung SDS contributes to OpenStack releases.
73. ElektrobitListed in kernel CREDITS; automotive software with Linux underpinnings.
74. EstracomItalian telecommunications provider; migrated from VMware vCenter to Proxmox VE in 6 weeks, gaining 25% efficiency.
75. IQSMigrated hyper-converged infrastructure to Proxmox VE at roughly 60% of the previous budget.
76. Artec (Artec Srl / Artec Pneumatic)Migrated from VMware to a 3-node Proxmox VE cluster, boosting performance by 40% while practically eliminating manufacturing downtime during IT maintenance.
77. Dougall MediaCanadian broadcaster selecting JetStor with Proxmox-based infrastructure.
78. ElementaryUses Ubuntu Core for AI machine-vision solutions, cutting provisioning time from 1 day to 20 minutes.
79. RivosPartners with Canonical to deliver enterprise-grade Ubuntu on RISC-V data-center platforms.
80. NTT TechnoCrossUses Ubuntu Pro for cloud infrastructure, with documented adoption in Japan’s academic network (SINET6) virtualization platform.
81. Cloudchipr (client)Delivered 99.99% uptime and ~60% cloud cost reduction by rebuilding on Kubernetes, GitOps, and FinOps automation.
82. AscendReduced IPs 256X by leveraging Cilium as its networking layer.
83. LunarAchieved 40 smooth production releases per day using Kubernetes and Linkerd as a multi-cloud communication backbone.
84. NN-GroupBuilt an enterprise managed Kubernetes platform on Amazon EKS with over 600 annual deployments and average time-to-production of 2 hours 22 minutes.
85. SecuronixMaintained 99.99% availability processing 10,000+ Spark jobs on Amazon EKS, halved recovery time after job failures by 50%, and cut costs by 30%.
86. SNOW Corp.Orchestrated 1,000+ GPUs to handle 700% viral traffic spikes serving 200M users.
87. MuxRuns 90 microservices on cloud-native infrastructure for online video streaming.
88. HubSpotTurned to Vitess for sharding and automation to support 2x production load.
89. JD.comUsed Vitess to manage scaling databases for hyperscale, serving 300 million active customers and saving $100M+ per year.
90. BharatPeScaled to 400M+ monthly transactions, slashing MTTR to under one hour and boosting release velocity 12x with daily deployments.
91. G-ResearchRuns one of the world’s largest OpenStack clouds, powering 50 million+ data science jobs daily across 30MW+ of data-centre capacity, with 1,000+ upstream changesets contributed back.
92. STACKIT (Schwarz Group)Runs the STACKIT Cloud on OpenStack and OVN/OVS, powering 40,000+ VMs across two regions with millions of API requests per hour.
93. Garvan Institute of Medical ResearchRuns genomics research on OpenStack, using it to segregate hardware resources and simplify infrastructure configuration.
94. Adobe Advertising CloudRuns OpenStack in production across six data centres in the US, Europe, and Asia.
95. Paddy Power BetfairOpenStack Superuser Awards winner placing; Kubernetes and bare metal for production infrastructure.
96. Verizon (Media)Handled 2 million requests per second after turning to cloud-native infrastructure for standardization and security.
97. NTTRuns over 10,000 virtual machines and 1,000 hypervisors across eight regions on OpenStack, with an explicit emphasis on testing discipline.
98. Sinorail (Chinese state-owned rail)Migrated toward virtualization with 100,000 cloud hosts and 800 nodes.
99. TencentRan OpenStack in production for four years with availability over 99.99% at massive scale.
100. INGV (Istituto Nazionale di Geofisica e Vulcanologia)Italian public research institute running OpenStack for geophysical monitoring infrastructure.
101. UIDAI (Aadhaar)India’s national identity authority runs OpenStack for public-sector identity infrastructure at population scale.
102. SBI BITSSBI’s Japan-based financial IT subsidiary runs OpenStack for banking systems infrastructure.
103. CloudflareRuns critical internet infrastructure on open-source components including Nginx, PostgreSQL, and Kubernetes-adjacent tooling.
104. ShopifyBuilt its commerce platform on open-source technologies including Ruby on Rails, MySQL, and Kubernetes.
105. GitLabOperates its DevOps platform entirely on open-source infrastructure as an open-core company.
106. SpotifyRuns backend infrastructure on Kubernetes, Cassandra, and Kafka, contributing back to the projects it depends on.
107. AirbnbDocumented its monolith-to-microservices migration using Argo Rollouts for blue-green deployments, with Kubernetes upgrades achieving a 99.99% success rate.
108. UberOperates on Kafka, Cassandra, and Kubernetes foundations, and has open-sourced Jaeger and Cadence.
109. LinkedInCreated and open-sourced Kafka, now critical infrastructure for a large fraction of the industry.
110. PinterestRuns large-scale open-source infrastructure and has contributed tools including Pinball and Terrapin.
111. Twitter/XHistorically built on open-source infrastructure including MySQL, Cassandra, and Kafka.

1. Bank of AmericaDeploys Ubuntu and pursues significant OpenStack deployments.
2. Millennium bcp70% reduction in DNS-related incident response times and 99.99% uptime across critical banking applications via k8gb.
3. BancolombiaRed Hat Ansible Automation Platform and RHEL to standardise patching and automate security remediation.
4. BBVAOpenStack experiments in private data centres; top SUSE Linux Enterprise Server user.
5. SicrediTurned to Canonical and OpenStack for agility, cost-efficiency, and scalability.
6. American ExpressEnterprise OpenStack user with production financial-services workloads.
7. TD BankPursuing significant OpenStack deployments.
8. Mizuho BankSUSE Open Source Excellence award winner.
9. ABSAMigrated Oracle, SQL Server, and DB2 stack to MySQL, MariaDB, PostgreSQL, MongoDB, and Redis across 2000+ instances.
10. ChubbTop SUSE Linux Enterprise Server user.
11. Ping AnAdopted MySQL from 2013 for internet applications.
12. StripePostgreSQL for modern SaaS/fintech scale.
13. MAPFREAnsible Automation Platform to enhance automation, improve security, and lay groundwork for AI integration.
14. Deutsche BankChose SUSE Multi-Linux Support to consolidate a global Linux estate of thousands of SUSE Linux Enterprise servers in a highly regulated industry.
15. SwedbankSUSE Linux Enterprise Server customer evaluating Temenos T24 and Oracle Flexcube; associated with OpenStack-based infrastructure.
16. Westpac New ZealandRecognized by Red Hat for hybrid cloud infrastructure and automation; Infosys Finacle customer running banking workloads on open platforms.
17. SuncorpUsing Red Hat OpenShift for a multicloud approach to digital services.
18. VPBankModernized core banking to Temenos on Red Hat OpenShift, completing a major platform upgrade.
19. Mutua MadrileñaAdopted Ansible Automation Platform to manage 60+ diverse systems, achieving a 50% reduction in IT incidents.
20. AIA GroupUsed Ansible Automation Platform to support migrating 90% of workloads to the cloud.
21. HDFC BankAchieved 99.999% platform availability across multi-cloud deployments, with the Enterprise Payment Hub processing 750 million transactions per month; OpenTelemetry adopter.
22. AkbankOpenTelemetry adopter (.NET, Collector, Java, Operator).
23. QBE InsuranceListed as a CNCF Kubernetes customer running containerized workloads.
24. ANZ BankListed as a CNCF Kubernetes customer running container orchestration in a major banking environment.
25. BankNXTModernized its digital banking platform with OpenShift, supported by Ansible automation.
26. KreditPlusAutomated provisioning with Ansible, indicating infrastructure-as-code discipline.
27. London Stock ExchangeListed among Linux users in financial services, running exchange infrastructure on open-source platforms.
28. Ameriprise FinancialListed among RHEL users; financial advisory and asset management on enterprise Linux.
29. Fidelity InvestmentsDevelopers release 20x more frequently with a multi-cloud cloud-native strategy.
30. IntuitAchieved 88% MTTR improvement with cloud-native deployment across thousands of developers.
31. Wells FargoListed among enterprise OpenStack users.
32. VisaEnterprise OpenStack user, running payment-network infrastructure on open cloud platforms.
33. PayPalEnterprise OpenStack user running payments infrastructure on open platforms.
34. Blue Cross Blue Shield of MinnesotaUses Platform9 Managed OpenStack for insurance infrastructure in a regulated healthcare-payer context.
35. Cadence Design SystemsUses Platform9 Managed OpenStack for EDA/compute-intensive workloads.
36. EBSCOPlatform9 Managed OpenStack customer running information-services infrastructure.
37. Mizuho SecuritiesDelivers virtual servers faster with automated processes using Red Hat automation.
38. Lotte CardListed in Red Hat financial-services customer success stories.
39. Shinhan BankListed in Red Hat financial-services customer success stories.
40. Ally FinancialListed in Red Hat financial-services customer success stories.
41. MacquarieListed in Red Hat financial-services customer success stories.
42. Clear CapitalMigrated to open-source Apache Cassandra with zero downtime, improving scalability and platform performance.
43. DiginiusCompleted a zero-downtime migration to managed Apache Cassandra within hours using temporary synchronization.
44. TesouroAchieved zero downtime during migrations and saved 240+ hours annually in management time.
45. Gulf Bank (Kuwait)Enhanced infrastructure resilience with RHEL, JBoss EAP, and PostgreSQL, achieving greater uptime and operational stability.
46. Tehden (Finnish ERP provider)Migrated an on-premises PostgreSQL environment for hundreds of clients to a resilient, multi-zone architecture, drastically reducing recovery times.
47. AtlassianMigrated 4 million Jira PostgreSQL databases to Amazon Aurora, managing thousands of clusters with up to 4,000 databases each.
48. HerokuMigrated hundreds of thousands of self-managed PostgreSQL databases to Amazon Aurora PostgreSQL with no customer impact.
49. NetflixAutomated migration of 400 production RDS PostgreSQL clusters to Aurora PostgreSQL.
50. YelpCompleted a zero-downtime upgrade of more than 1,000 Apache Cassandra nodes, gaining up to 34% faster streaming and 21–60% lower p99 latency.
51. SIRE TechnologyAchieved near 100% availability for its managed OpenStack platform, handling upwards of 2,000 real-money transactions per second with no peak-time outages.
52. Korea National RailwayCut OS maintenance costs by 73% and reduced TCO by ~50% via phased migration without disrupting national railway operations.
53. Astro MalaysiaAchieved 99.99% uptime for critical SAP and Oracle operations in AWS using SIOS LifeKeeper for Linux.
54. itesys AGDocumented 11 years of zero unplanned downtime due to the operating system across 100+ SAP HANA systems.
55. Leading Australian telecommunications provider (DeployPartners)Migrated 500+ CentOS, Oracle Linux, and Alma Linux servers to RHEL in nine months with zero unplanned downtime and a 30% reduction in security vulnerability exposure.
56. Sense Bank (Ukraine)Migrated its industrial Oracle 19c database to Oracle Linux on HPE, keeping downtime under 5 hours while deploying a 50+ TB standby database in parallel.
57. Leading bank in Southern India (Clover Infotech)Executed an AIX-to-Linux migration and Oracle 19c upgrade using Oracle GoldenGate replication, achieving near-zero downtime.
58. Tier-1 European banking group (Quadrata)Runs active-active observability across 7,000+ servers spanning HP-UX, RHEL, Oracle Linux, and virtualised workloads under strict central-bank audit requirements.
59. Diebold NixdorfRebuilt global banking operations on Red Hat OpenShift with blue-green deployments, achieving zero downtime while changing the underlying platform.
60. Yomi BankMigrated a MySQL database from Windows to RHEL without downtime during peak banking hours using replication-based migration.
61. Fortune 500 payments company (CIQ)Ran mission-critical workloads around the clock across 3,000+ Linux nodes; migrated with no application rebuilds, no recertification, and zero disruption, cutting OS licensing costs by more than 40%.
62. Nationwide Building SocietyUpgraded 140 servers in 4 days without downtime on Red Hat OpenShift 4 and RHEL, reaching 99.999% service availability while handling 100 million queries daily.

1. Northeast Georgia Health System (NGHS)Achieved zero downtime for its Epic EHR system by automating patching and maintenance with Ansible, saving more than 295 FTE hours across five hospitals.
2. Hospital de Diagnóstico (El Salvador)Migrated legacy systems to a high-availability open platform, reducing outages from 10 per month to 1 and cutting recovery times from 48 hours to 12 hours.
3. Hospital Clínic de BarcelonaAdopted SUSE Multi-Linux Manager and Support to maintain 24/7 availability and centralize management of a diverse Linux estate.
4. Taipei Veterans General Hospital (TVGH)Achieved a 95%+ reduction in application recovery time—from 30 minutes to 3–5 seconds—using SUSE Rancher Prime.
5. Seoul National University Hospital (SNUH)Completed Korea’s first full-scale migration of hospital core systems to an external Internet Data Center in three structured phases.
6. Sichuan Cancer HospitalMigrated from VMware/vSAN to a domestic stack, migrating 3,178 tables from MySQL with a process described as “smooth and error-free,” requiring 7×24 uninterrupted operation.
7. GE HealthCareUpdated 100+ distributed Kubernetes clusters, including rebuilding EC2 instances, within four hours without any downtime.
8. Becker Betz Institute (Germany)Maintained 99.95% uptime and cut incident resolution time by 50% on Amazon EKS.
9. Athena Saúde (Brazil)Achieved a 21% availability increase in critical systems after implementing open observability, with MTTR reduced to a maximum of 30 minutes.
10. CerboMigrated its patient portal from legacy VMs to Amazon EKS, streamlining operations across hundreds of clinics.
11. Northern Beaches Hospital (Australia)Runs a Proxmox high-availability cluster with dual-redundant network architecture, delivering zero-downtime healthcare ICT.
12. Lifehouse HospitalImplemented 99.99% uptime protection for critical applications and an Oracle database using SIOS high availability.

1. BT GroupShowcased OpenInfra’s role in organisational resilience at OpenInfra Summit Europe; telco OpenStack user.
2. Telekom CloudEuropean provider highlighting portability, transparency, and control with open technologies.
3. VodafoneUses Ubuntu on production infrastructure; listed among Red Hat telecommunications customers.
4. ViettelExtensively deployed OpenStack across cloud infrastructure; OpenInfra Platinum Member.
5. SafaricomKenyan operator; deployed Red Hat OpenShift as a common cloud platform, building on RHEL and Red Hat Satellite.
6. Telefónica SpainStandardizing on Red Hat OpenShift as the common platform for IT workloads and cloud-native network functions.
7. TelenorStandardizing on Red Hat’s cloud-native platform alongside Telefónica.
8. Vodafone OmanStandardizing its IT infrastructure on Red Hat’s cloud-native platform.
9. OrangeRuns Orange Telco Cloud CaaS in production on SUSE open-source components (RKE2), hosting network functions from multiple vendors; modernized 5G with Ansible.
10. Bell (Canada)Uses ONAP with Amdocs to automate data-center tenant network provisioning.
11. ViasatSUSE “Excellence in Business Transformation” award winner, operating satellite/communications infrastructure on enterprise Linux.
12. KratosSUSE “Industry Leader” award winner; defense/aerospace and satellite communications on open platforms.
13. DanelecSUSE “Sustainability Hero” award winner; maritime technology on enterprise Linux.
14. TurkcellBuilt a resilient telco cloud on Red Hat OpenStack Services and OpenShift supporting 24+ million customers and 12,000+ virtual machines, achieving up to 90% faster deployments and 50% greater management efficiency while withstanding earthquakes and wildfires.
15. Vodafone IdeaListed among Red Hat telecommunications customers.
16. Telefónica Movistar ArgentinaListed among Red Hat telecommunications customers.
17. AnexiaMigrated 12,000 virtual machines off VMware to an in-house KVM platform with no noticeable downtime, including business-critical applications for TeamViewer and Lufthansa.
18. X2com (Netherlands)Deployed new Proxmox VE clusters alongside existing VMware production systems, enabling a phased migration without service interruptions.
19. Middle East telecommunications operator (Sardina Systems)Selected FishOS for 5G-ready, cloud-native network intelligence, with zero-downtime upgrades and enterprise-grade reliability.
20. GCC financial/telecom/public-sector cohort (FishOS)Documented 99.99%+ uptime using live, in-place OpenStack and Ceph upgrades.
21. VEXXHOSTReduced OpenStack upgrade downtime to approximately 1–3 seconds by suppressing unnecessary Open vSwitch restarts and introducing AVX-512-optimised builds.
22. Calsoft (client)Deployed an OpenStack-based private cloud with 40% lower operational costs, 50% higher infrastructure utilisation, and zero downtime during migration.
23. NTT DOCOMOVirtualised 100% of its core network for 4G and 5G using OpenStack, including Tacker for network function orchestration.
24. China Mobile (with Huawei)Introduced an OpenStack–Kubernetes dual-engine converged architecture for a telco intelligent converged cloud platform, winning a 2025 Leading Lights award.
25. Rakuten MobileUses Red Hat’s OpenStack platform for its 4G LTE and 5G deployment.
26. SiriusXMLive-migrated hundreds of production VMs off a legacy hypervisor onto Red Hat OpenShift Virtualization with Portworx, with near-zero downtime and uninterrupted broadcast service.
27. MTN NigeriaMigrated more than 70% of its workload to RHEL within four months without any downtime or service disruptions, serving 80+ million users.

1. WalmartOpenStack private cloud grown past 1 million compute cores; large-scale enterprise SONiC deployment in data centres; hybrid of OpenStack and public cloud.
2. TargetUses Ubuntu on restricted internal applications; listed among enterprise OpenStack users.
3. FedEx CorporationUses Ubuntu for e-invoicing and internal tools.
4. PepsiCoSUSE Open Source Excellence award winner; detected running Ubuntu.
5. Carnival CorporationSUSE Edge Innovator award winner; global cruise operator deploying edge Linux.
6. Omnicell, Inc.SUSE Innovation for Good award winner.
7. EGGER GroupAchieved 99.99% uptime across 22 manufacturing sites in 11 countries for SAP, Oracle, and custom applications using SIOS LifeKeeper for Linux; SUSE customer since 2005.
8. Nexi GroupSUSE Cloud Native Champion award winner; European payments company running cloud-native on SUSE.
9. CVS HealthSUSE Edge Innovator award winner; top Oracle Linux and RHEL user.
10. McKessonTop Oracle Linux and RHEL user.
11. CencoraTop RHEL user.
12. Cardinal HealthTop SUSE Linux Enterprise Server user.
13. Procter & Gamble (P&G)Migrated its SAP environment to the cloud on SUSE Linux.
14. Schwarz Group (Lidl/Kaufland)The world’s fourth-largest retailer, operating 12,500+ stores, automates IT with Red Hat Ansible Automation Platform; increased its OpenStack footprint over 160% to 15,000 cores.
15. Colgate-PalmoliveSUSE Linux Enterprise Server customer running consumer packaged goods workloads.
16. dm-drogerie marktSUSE customer; large European drugstore chain running retail infrastructure on enterprise Linux.
17. WayfairSUSE Linux Enterprise Server customer running e-commerce/warehouse systems on enterprise Linux.
18. La RedouteDoubled deployments in production using Kubernetes to accelerate cloud-native microservices delivery.
19. BlaBlaCarCNCF end-user case study; mobility platform running cloud-native infrastructure.
20. Hyundai Motor CompanySUSE “Digital Trendsetter” award winner, indicating production Linux in automotive/consumer contexts.
21. WEGSUSE “Choice Happens” award winner; industrial/consumer equipment manufacturer on enterprise Linux.
22. Sempra EnergySUSE Linux Enterprise Server customer; energy/utility infrastructure on enterprise Linux.
23. Energy TransferLarge U.S. midstream energy company using SUSE Linux Enterprise Server.
24. TotalEnergiesSUSE Linux Enterprise High Performance Computing customer; large-scale energy HPC on Linux.
25. AudiSUSE Linux Enterprise High Performance Computing customer; also uses Red Hat OpenShift on AWS and Azure for a cloud-agnostic Kubernetes environment (Kubika-O).
26. Renault-Nissan-MitsubishiRHEL for SAP Solutions customer, running automotive SAP workloads on enterprise Linux.
27. Mahindra & MahindraHandled 200,000 SUV bookings with zero downtime using AMD EPYC, Kubernetes, and Google Cloud, with 40% compute savings.
28. DaimlerEnables 200,000+ vehicle sales across eight global markets through a cloud-native sales platform built with Kubernetes, Dapr, Kyverno, and Velero.
29. Porsche InformatikUses Red Hat OpenShift since 2017 for scalability and compliance in automotive software, upgrading within an Azure Red Hat OpenShift environment.
30. McQueen AutocorpAchieved 15% savings with Kubernetes on AWS Graviton.
31. HCA HealthcareListed as a Kubernetes innovation case study, running containerized workloads in a clinical context.
32. DeloitteListed among Ubuntu enterprise users; global consulting giant running production Ubuntu.
33. GapBuilt and operated private clouds with OpenStack, shifting infrastructure delivery from weeks to a unified provisioning model.
34. eBayListed among enterprise OpenStack users; operates some of the largest open-source production deployments.
35. WoolworthsRetail OpenStack/enterprise Linux adoption consistent with SUSE’s 70% of U.S. Fortune 1000 general merchandisers and specialty retailers.
36. Costco WholesaleListed among SUSE Linux Enterprise Server for SAP Applications customers.
37. General MotorsListed among SUSE Linux Enterprise Server for SAP Applications customers.
38. Victoria UniversityMigrated to open-source enterprise hosting on AWS and achieved 99.99% uptime, handling peak enrolment traffic with self-healing infrastructure.
39. Major retail firm (academic case study)Unified customer experience across channels with Apache Kafka and Kubernetes, using blue-green and canary deployments via ArgoCD to guarantee zero-downtime updates.
40. QuickCart RetailAchieved 99.99% uptime with DevOps automation and zero-downtime deployments.
41. Large retail firm (Webskyne)Migrated 2.4 TB of transactional data without downtime to a cloud-native microservices architecture on AWS, reaching 99.99% uptime and cutting page response times from 8.2 seconds to 1.1 seconds.
42. Global e-commerce platform (Kapden)Migrated from legacy VMs to Kubernetes, achieving 85% faster deployments and 99.8% uptime, eliminating weekend releases.
43. RetailHub E-commerceCut infrastructure costs by 58% through an AWS EKS migration with autoscaling and spot instances, executed without downtime.

1. Siemens AGIndustrial automation leader using Ubuntu for operational cockpit systems.
2. General ElectricUses Ubuntu for forms and IT support systems; industrial conglomerate with open-source production footprint.
3. ABBSaved 1,800+ hours a month and automated disaster-recovery workflows including failover and testing with Ansible.
4. Shell GroupGlobal energy company running Ubuntu on business portals.
5. Saudi AramcoTop Oracle Linux user.
6. BoschTop SUSE Linux Enterprise Server user.
7. VolkswagenTop RHEL user.
8. FordUses Ubuntu on production infrastructure; established workload identity federation across clouds as part of AI infrastructure preparation with OpenShift.
9. TeslaIn-car systems and infrastructure rely on Linux.
10. Lockheed MartinTop SUSE Linux Enterprise Server user.
11. MerckTop SUSE Linux Enterprise Server user.
12. Eli LillyTop SUSE Linux Enterprise Server user.
13. UnitedHealth GroupTop Oracle Linux and RHEL user.
14. Mohawk IndustriesExpanded its SAP HANA environment on RHEL for SAP HANA to support critical operations.
15. Square EnixAdopted RHEL to simplify online gaming infrastructure management and expand staff Linux skills.
16. Arabtec ConstructionMigrated to RHEL as a leading UAE construction company.
17. EdenorArgentina’s largest electricity distributor reduced outages using container computing and Red Hat cyber-security tooling.
18. Affinity WaterUK water utility moved to Linux/TuxCare extended support as an infrastructure-continuity decision.
19. NuStuffStandardized on Linux in the server room and eliminated as many Windows servers as possible.
20. Royal EnfieldAchieved increased reliability and scalability, reduced downtime, and cost savings with SUSE Linux Enterprise Server for SAP Applications.
21. Roshdy PharmaciesRuns SAP S/4HANA on SUSE Linux Enterprise Server for SAP Applications with built-in high availability; patches the kernel without rebooting.
22. SACOMiddle East hardware retailer running business-critical SAP on SUSE Linux Enterprise Server for SAP Applications, reporting zero downtime since migration.
23. SymmetrySUSE SAP customer with high-availability cluster configuration documented in SUSE success stories.
24. Day & ZimmermannBuilt a highly available SAP cluster on SUSE Linux Enterprise Server for SAP, with automatic failover in seconds and documented avoidance of several long outages.
25. Baldor ElectricRuns SUSE Linux Enterprise Server on System z with zero downtime and no production outages, saving hundreds of thousands of dollars per year.
26. Descon EngineeringAchieved 98% uptime on its SAP ERP platform using SUSE Linux Enterprise Server for SAP Applications and High Availability Extension.
27. AirbusNamed as a SUSE customer alongside BMW and Deutsche Bank, consistent with aerospace manufacturing running mission-critical workloads on enterprise Linux.
28. PfizerNamed as a SUSE customer, running pharmaceutical workloads on enterprise Linux.
29. SAPNamed as a SUSE customer and OpenStack contributor, running its own enterprise software stack on open infrastructure.
30. Leading sugar manufacturing enterprise (India, Brilyant)Migrated SAP ECC and HANA from IBM AIX to RHEL, achieving 99.99% uptime, 2× performance improvement, and ₹1 crore in cost savings with ROI within 18 months.
31. Tritorc IndiaRe-implemented ERPNext to eliminate chronic inventory mismatches, eliminating month-end stock shutdowns and freeing 8–10 operational days per month.
32. USA-based precision manufacturer (ERPNext via Bytes Technolab)Migrated all data to ERPNext with zero downtime, achieving 38% less production downtime through real-time machine utilization tracking.
33. Injection molding auto spare parts manufacturer (Odoo)Used Odoo ERP to automate procurement, streamline inventory, improve production visibility, and minimize machine downtime.
34. Odoo MRP factory (open-source manufacturing case)Documented 25% reduction in production downtime, 25% reduction in production delays, 15% lower inventory costs, and 40% saved in manual reporting time.
35. KSM Castings GroupReplaced VMware and migrated 200+ VMs to Proxmox VE while protecting existing storage and backup investments, all without disrupting production.
36. PoppiRefreshed two data centres with Proxmox VE on Lenovo ThinkSystem servers, building a high-availability HCI foundation for uninterrupted manufacturing.
37. Machining company (HostSpezial)Migrated to Proxmox VE without interrupting 24/7 production, recording zero unplanned downtime since go-live and 99.99% measured availability.
38. CarharttAchieved zero downtime during its SAP S/4HANA migration on SUSE Linux, improving scalability for omnichannel growth.
39. Precision SwitchgearReplaced disconnected spreadsheets and legacy tools with a single ERPNext platform spanning manufacturing, inventory, sales, and finance.
40. AtelierTech (France)An 85-employee custom machining SME adopted Dolibarr open-source ERP for modularity and low licensing cost.
41. NissanPartnered with Red Hat to build its software-defined vehicle platform on a standardized, scalable Linux foundation (Red Hat In-Vehicle Operating System).
42. Banma Smart Driving (with Unisoc)Achieved ISO 26262 ASIL-D certification for a Linux + Android multi-system cockpit base solution on a hypervisor.

1. CERNPrivate cloud in production since 2013 based on OpenStack: 1,800 hypervisors and 15,000 VMs.
2. NASA / JPLLinux for HPC and simulations; JPL built a private cloud on Red Hat OpenStack Platform.
3. ECMWFEuropean Centre for Medium-Range Weather Forecasts showcased at OpenInfra Summit for organisational resilience.
4. DICTU (Dienst ICT)Dutch government IT service; SUSE Digital Sovereignty Pioneer award winner.
5. United States NavyRuns Ubuntu on its search infrastructure.
6. Government of CanadaDetected running Ubuntu on production infrastructure.
7. Télécom ParisOperates a large GPU-enabled OpenStack and Kubernetes environment for research and education, maintaining high uptime through rolling upgrades and live migrations.
8. FETC / FETCiFar Eastern Electronic Toll Collection; SUSE AI Accelerator award winner for smart cities and intelligent transportation.
9. FPT AI eKYCOpenStack-powered digital onboarding and authentication used by major banks throughout Vietnam.
10. Auckland TransportRecognized by Red Hat for cloud-native development and hybrid cloud infrastructure, building “Theia” for CCTV camera management across Auckland.
11. Defence Science and Technology Group (DSTG, Australia)Red Hat innovation award winner, indicating open-source infrastructure in a defense research context.
12. City of DenverDemonstrated automation at massive scale with Ansible Automation Platform and Red Hat Satellite, automating 223 processes over five years.
13. State of MissouriCentralized automation with Ansible Automation Platform, cutting CMDB fragmentation.
14. EnsonoGlobal managed-services provider; used Ansible across a large asset base, saving over 210,000 hours a year.
15. L’UrssafFrench social-security collection agency; chose Linux for its cloud and opened a path away from Windows.
16. SINET6 (Japan’s academic network)National Institute of Informatics runs its virtualization platform on Ubuntu Pro.
17. GLS (General Logistics Systems)Migrated ~4,500 critical parcel-logistics systems from CentOS to SUSE Linux Enterprise Server using SUSE Multi-Linux Manager.
18. BoseAdopted multiple CNCF technologies (Fluentd, CoreDNS, Jaeger, OpenTracing) over five-plus years of connected-product growth.
19. Toyota Gas (Tokyo Gas)Won a CNCF end-user case-study contest for cloud-native agility with Kubernetes, Argo, and Istio.
20. SubaruReduced pull times for 30+ GB AI container images from roughly three hours to three minutes—a 60× improvement—using Kubernetes with Envoy Gateway.
21. Testen voor Toegang (NL)Scheduled 400,000+ COVID-19 tests per day on Kubernetes during a national public-health emergency.
22. BBC R&DContributes to OpenStack alongside Ericsson, Rackspace, Red Hat, Walmart, and others.
23. Samsung SDSContributes to OpenStack releases, running enterprise IT services on open platforms it helps shape upstream.
24. OpenInfra Foundation / Linux FoundationThe governance and engineering backbone that sustains these production deployments and makes the resilience claims auditable.
25. Civil Infrastructure Platform (CIP)A Linux Foundation project celebrating 10 years of industrial-grade Linux, aimed at the trust and resilience required by critical systems over decades of operation.
26. OEDIV (Oetker Group)Achieved 6 years of zero downtime with Ubuntu Pro, cut critical maintenance windows from 3 hours to 45 minutes, reduced upgrade time by 60%, and cut manual engineering tasks by 70%.
27. OneUptimeMoved from public cloud to bare metal with Kubernetes, Helm, and Ceph, saving $352,500 a year (~76% of cloud costs) while maintaining data reliability and hosting performance.
28. Instituto NupefBrazilian civil-society organization adopted OpenNebula after a severe infrastructure incident to gain infrastructure autonomy for digital-rights and connectivity work.
29. Blanc und Fischer IT ServicesManufacturing IT services provider improving manufacturing operations with Red Hat, IBM, and SAP.
30. Korea Racing Authority (KRA)Achieved server automation with Red Hat, standardizing operational processes in a regulated public-facing organization.
31. Energy Market CompanyImproved critical application performance with Red Hat Process Automation Manager.
32. Japan Airlines (JAL)Migrated from WebSphere to Red Hat JBoss and modernized its IT foundation.
33. Japan Racing Association (JRA)Adopted Red Hat OpenShift for containerized infrastructure.
34. NEC Group (SAP HANA)Adopted SAP HANA on Red Hat for group management systems, with HA clustering (same parent as NEC Corporation).
35. Nikko Systems Solutions (NKSOL)Presented its Red Hat OpenShift adoption alongside JRA, indicating production container platform use in financial IT services.
36. Norwegian Labour and Welfare Administration (NAV)Migrated 400GB-per-day of critical logging infrastructure from Elasticsearch to managed OpenSearch with uninterrupted observability for 1,000 developers, supporting services that distribute 33% of Norway’s national budget.
37. Deutsche Telekom / T-SystemsMigrated millions of MagentaCLOUD users to a sovereign, open-source Nextcloud environment hosted on Open Telekom Cloud in six months, ensuring uninterrupted operation.
38. Veneto Region (Italy)Completed a major infrastructure upgrade by migrating its Nextcloud environment to a container-based platform orchestrated with Kubernetes without disrupting digital public services.
39. Austrian Federal Ministry of Economy, Energy, and Tourism (BMWET)Migrated 1,200 employees to Nextcloud Hub in four months, fully in production for six months as a pragmatic, staged sovereignty move.
40. University of DhakaAchieved 99.99% uptime for critical services serving 45,000 students using Proxmox, reinvesting the budget freed from proprietary licensing into SSDs and a redundant 10 Gbps network backbone.
41. University of Twente (UT)Built UniShare, a Nextcloud-based private project cloud, to increase technological substitutability and strengthen service resilience against geopolitical or technological disruptions.
42. AUST (African University of Science and Technology, Nigeria)Became the first Nigerian university to deploy a fully open-source Virtual Desktop Infrastructure (VDI).
43. DKRZ (German Climate Computing Center)Migrated its OpenStack environment to managed FishOS with downtime limited to a day or two, then tripled compute capacity from 268 to 928 cores and upgraded Ceph storage from 140TB to 265TB of full-flash capacity.
44. Hanseatic City of Rostock (Germany)Replaced Microsoft on municipal IT infrastructure with a “seamless migration” pilot designed to move workstations and servers to Linux-based domestic products without stopping public services.
45. Netherlands National Police (NLK)Facing CentOS end-of-life and a sprawling hybrid estate, achieved a 60% reduction in operational costs with SUSE Multi-Linux Support and Multi-Linux Manager, with zero disruption to existing middleware and applications.
46. SWEG (Germany)Reduced planned maintenance downtime to zero using SUSE Rancher Prime, keeping services 100% up while deploying new clusters in under 50 minutes with a single click.
47. PZU (Poland)Cut Kubernetes cluster creation time by 99.5% with SUSE Rancher Prime, moving from days to minutes, with seamless, zero-downtime upgrades for 24/7 operations.
48. Government entity (Oivan)Delivered zero-downtime rollouts and continuous uptime for mission-critical services on SUSE Rancher Prime while meeting strict data-sovereignty requirements; reduced infrastructure footprint by 50%.

1. TeamFlow (global SaaS platform)Achieved 99.99% uptime across three continents for 18 months and reduced global latency by 45% with multi-cloud Kubernetes, enabling GDPR-compliant European expansion.
2. Sony Interactive Entertainment (PlayStation)Reported 99.995% availability for its Kubernetes platform.
3. MIRA Network AGMigrated to OVHcloud’s managed Kubernetes with 99.99% uptime and substantial cost optimisation.
4. Global SaaS platform (Tasrie IT)Achieved 99.99% uptime across 18 months with multi-cloud Kubernetes, reducing global latency by 45% while enabling European expansion.
5. Fortune 500 restaurant company (Russell Kingsbury)Achieved 10× faster deployments, $4M projected opex savings over three years, and zero downtime during rollouts on Kubernetes.
6. TeamViewerA customer of Anexia’s migrated KVM platform; its business-critical workloads run on open-source virtualization after the VMware-to-KVM transition.
7. LufthansaAlso a customer affected by Anexia’s 12,000-VM migration with no noticeable downtime, running business-critical applications on open-source KVM infrastructure.
8. GreenhouseListed among organizations running production Kubernetes with documented operational outcomes.
9. SnowflakeRuns critical infrastructure components on open-source foundations and contributes to open standards, though its core product is proprietary—an example of hybrid leverage.
10. DatabricksBuilt on open-source foundations including Apache Spark (which it created) and Delta Lake, demonstrating the “open core, proprietary platform” model at enterprise scale.
11. ConfluentCommercializes Apache Kafka, the open-source event-streaming platform it created, with production deployments across a large fraction of the Fortune 500.
12. ElasticElasticsearch remains deployed at scale in organizations that value the open core; the NAV case is included precisely because it shows the exit discipline.
13. MongoDBWidely deployed in production on Linux, with organizations choosing between the open-source community edition and commercial offerings.
14. RedisDeployed at massive production scale as an open-source in-memory data store; licensing changes prompted some organizations to evaluate open forks.
15. PostgreSQL Global Development GroupThe PostgreSQL ecosystem (including Heroku, Atlassian, Netflix, and Tehden above) is the clearest demonstration that a community-governed open-source project can carry enterprise-critical workloads at scale.
16. Kubernetes project (CNCF)Production adopters across this list—Millennium bcp, Cloudchipr, Flipkart, SNOW Corp., and others—demonstrate that community-governed orchestration is production-grade.
17. Linux kernel communityThe kernel is the foundation under 72.6% of the Fortune 500’s mission-critical workloads; the organizations that contribute upstream (Intel, AMD, Meta, Huawei, Linaro) shape the platform they run on.
18. GGM GastroMigrated from Adobe Commerce to Magento Open Source with a scalable zero-downtime deployment architecture, ensuring uninterrupted releases for one of Europe’s largest food service providers.
19. Virtual Minds (via WIIT)Migrated in five phases over 36 months with coexistence between old and new environments and transparent failover, orchestrating large volumes without downtime on OpenStack, Kubernetes, Kafka, S3, and DBaaS.
20. Leading non-profit microfinance institution (Philippines, Illumia Solutions)Achieved 50–65% IT cost reduction and digital transformation with an integrated open-source stack.
21. Thai auto parts manufacturer (Coforge)Migrated SAP ERP from Sun Solaris to SUSE Linux, reducing operational costs and maintaining leadership position.
22. B2GrowProcessed ₹390+ crore in 72 hours using open-source ERPNext, demonstrating that open-source ERP can deliver trust and scale under transactional pressure.

The statistical backdrop that makes the named organizations representative rather than anomalous.