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
Apache SparkNASA JPL, UC Berkeley AMPLab, Amazon, eBay, Yahoo!, UC Santa Cruz, TripAdvisor, Taboola, Agile Lab, Art.com, Baidu, Alibaba Taobao, EURECOM, Hitachi Solutions
Spark SQLUC Berkeley AMPLab, Amazon, Alibaba Taobao, Kenshoo, Hitachi Solutions
Apache HadoopAmazon, Adobe, eBay, Facebook, Google, Hulu, IBM, LinkedIn, Microsoft, Spotify, AOL, Twitter, University of Maryland, Yahoo!, Cornell University Web Lab
Apache DerbyLogitech, Splice Machine, CrowdStrike, Lever, Human Solutions
Apache KafkaUber, Netflix, Activision, Spotify, Slack, Pinterest
Apache FlinkLogRhythm, Inc., Inter-American Development Bank, Scientific Technologies Corporation, LotLinx, Inc., Benevity, Inc.
Apache Spark StreamingUC Berkeley AMPLab, Amazon, Alibaba Taobao, Kenshoo, eBay Inc.
Apache AirflowAgari, WePay, Astronomer
SAP Adaptive Server EnterpriseCity of Buenos Aires, ASR Group, Citrix, EarlySense, Usha International Limited, Automotive Resources International (ARI), Takisada-Osaka Co. Ltd., Coelba (Grupo Neoenergia), RZD Russian Railways, National Basketball Association - NBA, TALLY
SAP IQASR Group, Citrix, State of Indiana, PocketCard Co. Ltd.
SAP SQL AnywhereAOK Bundesverband, Surgutneftegas Open Joint Stock Company, Molson Coors Brewing Company, City of Buenos Aires, ASR Group, Citrix, EarlySense, Usha International Limited, Automotive Resources International, Wªrth Group, Takisada-Osaka Co. Ltd., Coelba, RZD Russian Railways, National Basketball Association, TALLY WEiJL
SAP HANAUnilever, NHS 24, adidas Group, CHIO Aachen, Hamburg Port Authority (HPA), Bangkok Airways Public Company Limited
SAP NetWeaver Business WarehouseEMC Corporation, Takisada-Osaka Co. Ltd., Eldorado, Mozzart, The VELUX Group, AOK Bundesverband, Hilti Group, Nissha Printing Company Ltd., Asian Paints, Aareal Bank Group, Magazine zum Globus (Migros Group)
SAP Replication ServerMedtronic, Cirque du Soleil, Antarc, B&G Manufacturing, EarlySense, eBay, Ferrero, James Austin Company, Lenovo, Sagem, RAK Ceramics, Vodafone
SAP Signavio Process ManagerDHL, Coca Cola EP, Prudential, Zalando, T-Systems, Jabil, Endress+Hauser, Rakuten
SAP NetWeaver Business Rules ManagementDansk Supermarked A/S, Ego Pharmaceuticals Pty. Ltd, Kaeser Kompressoren, Lenovo
SAP NetWeaver Enterprise PortalAlliander N.V.
SAP Identity ManagementState of Indiana, Automotive Resources International (ARI), Alliander N.V., Chemion Logistik GmbH, Seoul National University Bundang Hospital (SNUBH)
SAP LumiraMedtronic, Cirque du Soleil, Antarc, B&G Manufacturing, EarlySense, eBay, Ferrero, James Austin Company, Lenovo, Sagem, RAK Ceramics, Vodafone
SAP BusinessObjects Design StudioWipro, Tetra Pak, MIGROS
SAP BusinessObjects DashboardsJebsen & Jessen
AltiscaleGlu Mobile, Airpush, Devicescape, Visible Measures