The Y Combinator Top companies stack
Y Combinator's Top Companies list, the highest-valued startups among the 5,000 it has funded since 2005
- Companies
- 74
- Tools identified
- 420
- Categories
- 16
- Last update
- Oct 2026
About the cohort
74 companies
Most adopted tools
Across all 16 categories
DocuSign
IT & Infrastructure
71 of 74 companies · 16 tools identified
Jamf
Productivity & Collaboration
58 of 74 companies · 46 tools identified
DropboxDeveloper & Engineering
57 of 74 companies · 51 tools identified
Artificial Intelligence
54 of 74 companies · 15 tools identified
Rovo
HR & Talent
51 of 74 companies · 37 tools identified
Security & Compliance
40 of 74 companies · 25 tools identified
Data & Analytics
39 of 74 companies · 31 tools identified
Legal
38 of 74 companies · 5 tools identified
Marketing
36 of 74 companies · 43 tools identified
Commerce
33 of 74 companies · 11 tools identified
Sales
33 of 74 companies · 67 tools identified
Drift
Design & Creative
32 of 74 companies · 11 tools identified
Finance
24 of 74 companies · 21 tools identified
Customer Experience
23 of 74 companies · 23 tools identified
Decagon
Industry Software
11 of 74 companies · 12 tools identified
Operations
10 of 74 companies · 6 tools identified
Detailed stacks
Browse every Y Combinator Top companies company
Stripe
San Francisco, USA
Airbnb
San Francisco, USA
Dropbox
San Francisco, USA
Zapier
San Francisco, USA
Deel
San Francisco, USA
Brex
San Francisco, USA
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