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Top AI companies in Austin

Companies building AI products, foundation models, and applied ML platforms. Filtered to companies headquartered in Austin.

Built from a search like: “Top AI companies in Austin”

Ranked by current headcount across AI companies headquartered in Austin. Refreshed daily.

  1. 1
    University of Vienna· Vienna, Vienna, Austria
    • 7.3k employees
  2. 2
    Natera· Austin, Texas, United States
    • Post-IPO equity
    • 5.7k employees
    • Founded 2004
  3. 3
    Technische Universität Wien· Vienna, Vienna, Austria
    • 4.6k employees
  4. 4
    University of Graz· Graz, Styria, Austria
    • 2.8k employees
  5. 5
    AIT Austrian Institute of Technology· Vienna, Vienna, Austria
    • 1.2k employees
    • Founded 2009
  6. 6
    Luminex· Austin, Texas, United States
    • 995 employees
    • Founded 1968
  7. 7
    Institute of Science and Technology Austria· Klosterneuburg, Lower Austria, Austria
    • 842 employees
    • Founded 2007
  8. 8
    BPL Plasma· Austin, Texas, United States
    • 811 employees
    • Founded 2008
  9. 9
    CDC/KEMRI· Eldoret, Uasin Gishu County, Kenya
    • 767 employees
    • Founded 1979
  10. 10
    Austrian Agency for Health and Food Safety· Vienna, Vienna, Austria
    • 654 employees
    • Founded 2002
  11. 11
    Austrian Academy of Sciences - Österreichische Akademie der Wissenschaften (ÖAW)· Vienna, Vienna, Austria
    • 625 employees
    • Founded 1999
  12. 12
    IMS Nanofabrication· Brunn am Gebirge, Lower Austria, Austria
    • Secondary
    • 476 employees
    • Founded 1985
  13. 13
    International Institute for Applied Systems Analysis (IIASA)· Laxenburg, Lower Austria, Austria
    • 470 employees
    • Founded 1972
  14. 14
    JOANNEUM RESEARCH· Graz, Styria, Austria
    • 392 employees
    • Founded 1977
  15. 15
    Silicon Austria Labs (SAL)· Graz, Styria, Austria
    • 363 employees
    • Founded 2018
  16. 16
    CREW· Austin, Texas, United States
    • 342 employees
    • Founded 2022
  17. 17
    Ludwig Boltzmann Gesellschaft· Vienna, Vienna, Austria
    • 326 employees
    • Founded 1960
  18. 18
    CeMM· Vienna, Vienna, Austria
    • 320 employees
    • Founded 2005
  19. 19
    Fraunhofer IAIS· Sankt Augustin, North Rhine-Westphalia, Germany
    • 316 employees
    • Founded 2016
  20. 20
    Gesundheit Österreich GmbH· Austria
    • 280 employees
    • Founded 2006
  21. 21
    Romer Labs· Tulln an der Donau, Lower Austria, Austria
    • 255 employees
    • Founded 1982
  22. 22
    Virtual Vehicle Research GmbH· Graz, Styria, Austria
    • 239 employees
    • Founded 2002
  23. 23
    Elligo Health Research· Austin, Texas, United States
    • Debt
    • 234 employees
    • Founded 2016
  24. 24
    Efectis· Saint-Aubin-Montenoy, Hauts-de-France, France
    • 231 employees
    • Founded 2006
  25. 25
    Institute of Molecular Biotechnology· Vienna, Vienna, Austria
    • 204 employees
    • Founded 1999

Find engineers at AI companies in Austin

Austin has long been a hub for AI, and the list above ranks the largest AI companies headquartered there by current headcount, drawn from public LinkedIn and Crunchbase records. With 375 matching companies in our index, this is a good map of where the AI talent in Austinlives — useful whether you’re recruiting, partnering, or sizing a market.

The biggest AI companies in Austin tend to be the gravitational centres for specialised talent — senior engineers, ML researchers, applied scientists, designers — while the smaller ones compete on speed, equity, and proximity to founders.

Refolk converts this list into a live search. Ask for “AI engineers in Austinhiring senior staff” or “founders of AI companies in Austinwho left in the last 12 months” and Refolk returns a ranked shortlist with the evidence that earned each person a spot.

How this list is built

Refolk pulled AI companies headquartered in Austin from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 10 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 06:04:30 GMT

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