Refolk

Top Data infrastructure companies

Databases, warehouses, lakes, pipelines, and observability for production data.

Ranked by current headcount across the largest Data infrastructure companies. Refreshed daily.

  1. 1
    Amazon· Seattle, Washington, United States
    • Post-IPO debt
    • 786.5k employees
    • Founded 1994
  2. 2
    Tata Consultancy Services· Mumbai, Maharashtra, India
    • Private equity
    • 700.1k employees
    • Founded 1968
  3. 3
    Infosys· Bengaluru, Karnataka, India
    • Post-IPO equity
    • 368.9k employees
    • Founded 1981
  4. 4
    Cognizant· Teaneck, New Jersey, United States
    • Post-IPO equity
    • 356.4k employees
    • Founded 1994
  5. 5
    Google· Mountain View, California, United States
    • Series unknown
    • 338.2k employees
  6. 6
    Capgemini· Paris, Île-de-France, France
    • Post-IPO debt
    • 335.5k employees
    • Founded 1967
  7. 7
    IBM· Armonk, New York, United States
    • 325.5k employees
    • Founded 1911
  8. 8
    Wipro· Bengaluru, Karnataka, India
    • post ipo secondary
    • 264.4k employees
    • Founded 1945
  9. 9
    HCLTech· Noida, Uttar Pradesh, India
    • Post-IPO equity
    • 253.1k employees
    • Founded 1976
  10. 10
    Microsoft· Redmond, Washington, United States
    • Post-IPO equity
    • 229.4k employees
    • Founded 1975
  11. 11
    Fiverr· New York, Iowa, United States
    • Series E
    • 220k employees
    • Founded 2010
  12. 12
    Concentrix· Newark, California, United States
    • Post-IPO debt
    • 209.2k employees
    • Founded 1983
  13. 13
    Oracle· Austin, Texas, United States
    • Post-IPO debt
    • 200.3k employees
    • Founded 1977
  14. 14
    Upwork· San Francisco, California, United States
    • Series unknown
    • 170.5k employees
    • Founded 2015
  15. 15
    Bosch· Gerlingen, Baden-Württemberg, Germany
    • non equity assistance
    • 162.6k employees
  16. 16
    Amazon Web Services (AWS)· Duvall, Washington, United States
    • Grant
    • 156.5k employees
    • Founded 2006
  17. 17
    Tech Mahindra· Pune Division, Maharashtra, India
    • Post-IPO equity
    • 152.3k employees
    • Founded 1945
  18. 18
    Meta· Menlo Park, California, United States
    • 151.4k employees
    • Founded 2014
  19. 19
    SAP· Walldorf, Baden-Württemberg, Germany
    • Post-IPO equity
    • 141.2k employees
    • Founded 1972
  20. 20
    HP· Palo Alto, California, United States
    • Post-IPO debt
    • 138.9k employees
    • Founded 1939
  21. 21
    LTIMindtree· Mumbai, Maharashtra, India
    • 107.8k employees
    • Founded 1996
  22. 22
    Verizon· Basking Ridge, New Jersey, United States
    • Post-IPO debt
    • 100.3k employees
    • Founded 1983
  23. 23
    Cisco· San Jose, California, United States
    • Seed
    • 95.6k employees
    • Founded 1984
  24. 24
    DXC Technology· Ashburn, Virginia, United States
    • Post-IPO debt
    • 90.1k employees
    • Founded 2017
  25. 25
    Tencent· Shenzhen, Guangdong, China
    • Post-IPO debt
    • 89k employees
    • Founded 1998

Find engineers and designers at top Data infrastructure companies

The Data infrastructure industry runs on the people who build it. The list above ranks the largest Data infrastructure companies by current headcount, drawn from public LinkedIn and Crunchbase records. Across the 121,964 Data infrastructurecompanies in our index, you’ll find software engineers, ML researchers, designers, founders, and recruiters worth talking to — whether you’re hiring, investing, or doing market research.

Each company on the list is a hub of talent. The biggest Data infrastructure companies tend to attract specialised engineers, while younger ones run on small founding teams and hire generalists. Looking at headcount, last funding round, and HQ location side by side gives you a quick read on where the talent density is highest.

Refolk turns this list into a search. Ask for Data infrastructureengineers in San Francisco hiring senior ML” or “designers at Data infrastructurecompanies who shipped a product in 2025” and Refolk returns a fresh ranked shortlist with the sources that earned each person a spot.

How this list is built

Refolk pulled the largest companies in Data infrastructure from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 25 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 05:55:02 GMT

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