CloudStackGreenQloud, Exoscale, TomTom, ASG, PC Extreme, ISWest, Grid'5000
Tomcat1. Adobe Systems
2. Amazon
3. Apple
4. AT&T
5. Bank of America
6. Boeing
7. Cisco Systems
8. Citigroup
9. Dell
10. eBay
11. Facebook
12. General Electric
13. Google
14. Hewlett-Packard
15. IBM
16. Intel
17. JPMorgan Chase
18. Microsoft
19. Netflix
20. Oracle
21. PayPal
22. Salesforce
23. Samsung
24. Sony
25. Target
26. Twitter
27. Uber
28. Verizon
29. Visa
30. Volkswagen
31. Walmart
32. Yahoo
Apache Web ServerCisco, Intuit, General Electric, Adobe, VMware, PayPal, HP, EMC, eBay, Apple, SAP, Qualcomm, SanDisk, Allstate, FedEx
AccumuloTwitter, Slack, Kaidee, CarGurus, Evernote, Medallia
Cassandra1. Apple
2. Netflix
3. Facebook
4. Instagram
5. Twitter
6. eBay
7. Spotify
8. Uber
9. Airbnb
10. Adobe
11. Cisco
12. IBM
13. Microsoft
14. Yahoo
15. Reddit
16. Pinterest
17. Salesforce
18. LinkedIn
19. Hulu
20. Airbnb
21. Walmart
22. Target
23. Sony
24. Intel
25. Cisco
26. HP
27. Oracle
28. SAP
29. GE
30. Siemens
31. Volkswagen
32. Toyota
CouchDBVerizon, Dimagi Inc., Apple, Sinclair Broadcast Group, Perspecta
Apache HBaseBloomberg, Wells Fargo, Apple, Capital One, NVIDIA
ActiveMQUniversity of Washington, Daugherty Systems, CSC, STG Technologies, Inc.
Apache AirflowAgari, WePay, Astronomer
Red Hat Polymita Business SuiteBayer, Grupo Televisa, RCBC, Peavey
JBossTata Sky, Nissan, Swedish Board of Agriculture, Novamedia, American Product Distributors, Advanced Micro Devices, Emirates Group, E*TRADE
JBoss Enterprise Application PlatformAPD, Banco Azteca, Roche, Tata Sky, Frost Bank
JBoss Enterprise SOA PlatformANSES, Mazda Austria
Red Hat Enterprise Linux (RHEL)Travel Channel, Mohawk Industries, Hilti, Molecular Health, Exolgan, Hotelplan Group, Emory University, BlueCross BlueShield of North Carolina, HCA Healthcare, Paychex, UPS, Intermountain Healthcare, Brinker International, TransUnion, Union Bank, CA Technologies
3scale API ManagementVictor Ops, Coca Cola, The Telegraph, Skava, Orange, Typeform
Red Hat AMQE*TRADE, CERN, CenturyLink, AECOM, Sabre Holdings
Red Hat JBoss A-MQ for xPaaSE*TRADE, CERN, CenturyLink, AECOM, Sabre Holdings
Red Hat CloudFormsCox Automotive, Penn State, FICO, G-ABLE, Seneca College, ITandTEL, The Paris Lodron University of Salzburg (PLUS), MyRepublic, Macquarie, The Wellcome Trust Sanger Institute, CBTS, Network Data Solutions (NDS)
Red Hat Data GridTTTECH, Thai bank