| Cascade SpaceIndustrials | Industrials | — | | cascade.space |
| CascoB2B | B2B | — | | casco.com |
| CaseyFintech | Fintech | — | | meetcasey.ai |
| CastariB2B | B2B | — | | castari.com |
| CatchBack CardsConsumer | Consumer | — | | catchbackcards.com |
| CellTypeHealthcare | Healthcare | — | | celltype.com |
| Certus AIB2B | B2B | San Francisco, United States | | certus-ai.com |
| ChamberB2B | B2B | — | | usechamber.io |
| Channel3B2B | B2B | New York, United States | | trychannel3.com |
| CharB2B | B2B | — | John Jeong | char.com |
| ChasiB2B | B2B | — | | chasi.co |
| Chestnut FortyConsumer | Consumer | — | Veniamin Veselovsky | chestnutforty.com |
| Clad LabsConsumer | Consumer | San Francisco, United States | | cladlabs.ai |
| ClaimGlideHealthcare | Healthcare | — | | claimglide.com |
| ClamB2B | B2B | — | | tryclam.com |
| ClaraHealthcare | Healthcare | San Francisco, United States | Zeeshan Ahmed | askclara.com |
| ClaybirdB2B | B2B | San Francisco, United States | Saad Jamal | claybird.com |
| CleonB2B | B2B | New York, United States | | getcleon.ai |
| ClicksB2B | B2B | San Francisco, United States | | goclicks.ai |
| ClideyB2B | B2B | San Francisco, United States | | clidey.com |
| ClodoB2B | B2B | San Francisco, United States | | clodo.ai |
| CloseraB2B | B2B | San Francisco, United States | | closera.com |
| CoastsB2B | B2B | — | | coasts.dev |
| Code FourGovernment | Government | San Francisco, United States | | codefour.us |
| CodeWispConsumer | Consumer | — | | codewisp.ai |
| CodycoB2B | B2B | — | | codyco.ai |
| CofiaB2B | B2B | — | | cofia.ai |
| CohesiveB2B | B2B | New York, United States | | getcohesiveai.com |
| ComenaB2B | B2B | — | | comena.ai |
| ComplyDoB2B | B2B | Berlin, Germany | | complydo.io |
| CompresrB2B | B2B | — | Ivan Zakazov | compresr.ai |
| CompyleB2B | B2B | San Francisco, United States | | compyle.ai |
| Condor EnergyIndustrials | Industrials | — | | condor.energy |
| Confluence LabsB2B | B2B | — | Brent Burdick | confluence.sh |
| CongruentIndustrials | Industrials | — | | congruent.io |
| Constellation SpaceB2B | B2B | — | | constellationspace.ai |
| ContextFortB2B | B2B | San Francisco, United States | Ashwin Ramachandran | contextfort.ai |
| ConvexiaHealthcare | Healthcare | — | | convexia.bio |
| CopperlaneB2B | B2B | — | | copperlane.ai |
| CorelayerB2B | B2B | — | | corelayer.com |
| Cortex AIIndustrials | Industrials | San Francisco, United States | | cortexrobot.ai |
| CorveraB2B | B2B | — | | corvera.ai |
| CostreamConsumer | Consumer | San Francisco, United States | | costream.ai |
| CotoolB2B | B2B | San Francisco, United States | | cotool.ai |
| Cranston AIB2B | B2B | San Francisco, United States | Sean O'Bannon | cranstonai.com |
| CrimsonB2B | B2B | London, United Kingdom | | crimson.law |
| Crosslayer LabsB2B | B2B | — | | crosslayerlabs.com |
| CrowB2B | B2B | — | | usecrow.ai |
| CrunchedB2B | B2B | — | | usecrunched.com |
| Cumulus LabsB2B | B2B | — | | cumuluslabs.io |