| Nexa LabsIndustrials | Industrials | San Francisco, United States | | nexa.farm |
| NexusB2B | B2B | Brussels, Belgium | | agent.nexus |
| Nimbic AIB2B | B2B | — | | nimbic-ai.com |
| NivaraB2B | B2B | San Francisco, United States | | getnivara.com |
| NixoB2B | B2B | — | | withnixo.com |
| NomiB2B | B2B | San Francisco, United States | Swan Beaujard | nomi.so |
| NoriHealthcare | Healthcare | New York, United States | | nori.ai |
| NormalIndustrials | Industrials | San Francisco, United States | | normalfactory.com |
| NorraHealthcare | Healthcare | San Francisco, United States | | norra.io |
| NOSO LABSIndustrials | Industrials | — | | noso.so |
| NotteB2B | B2B | San Francisco, United States | | notte.cc |
| NovaflowHealthcare | Healthcare | San Francisco, United States | | novaflowapp.com |
| NovoflowHealthcare | Healthcare | — | | novoflow.io |
| Nox MetalsIndustrials | Industrials | Detroit, United States | Zane Hengsperger | noxmetals.co |
| NozomioB2B | B2B | San Francisco, United States | | trynia.ai |
| NucleoHealthcare | Healthcare | — | | nucleoresearch.com |
| Null LabsIndustrials | Industrials | San Francisco, United States | | n0labs.com |
| OctaPulseIndustrials | Industrials | — | | tryoctapulse.com |
| OkibiB2B | B2B | San Francisco, United States | | okibi.ai |
| OmnaraB2B | B2B | San Francisco, United States | | omnara.com |
| OnDeck AIB2B | B2B | Vancouver, Canada | | ondeckai.com |
| One RobotIndustrials | Industrials | — | | onerobot.io |
| OntoraB2B | B2B | San Francisco, United States | | ontora.com |
| Opalite HealthHealthcare | Healthcare | — | | opalitehealth.com |
| OpennoteConsumer | Consumer | San Francisco, United States | | opennote.com |
| OpenrollB2B | B2B | Stockholm, Sweden | | openroll.com |
| OpenSpecB2B | B2B | — | | openspec.dev |
| OpenWorkB2B | B2B | San Francisco, United States | | openworklabs.com |
| Opusense AIOther | Other | — | | opusense.com |
| Orange SliceB2B | B2B | — | | orangeslice.ai |
| OrchidB2B | B2B | San Francisco, United States | | orchid.ai |
| Origami RoboticsIndustrials | Industrials | — | | origami-robotics.com |
| OriginHealthcare | Healthcare | — | Yash Rathod | origin.bio |
| OrthogonalB2B | B2B | — | | orthogonal.com |
| OutroveB2B | B2B | San Francisco, United States | | outrove.ai |
| Overdrive HealthHealthcare | Healthcare | — | | overdrive.health |
| OvershootB2B | B2B | — | | overshoot.ai |
| OximyB2B | B2B | — | | oximy.com |
| OxusB2B | B2B | — | | oxus-ai.com |
| PalaceB2B | B2B | San Francisco, United States | | palace.so |
| PallyB2B | B2B | San Francisco, United States | | pally.com |
| PalomaB2B | B2B | San Francisco, United States | | getpaloma.ai |
| Palus FinanceFintech | Fintech | — | | palus.finance |
| PanelsB2B | B2B | San Francisco, United States | | usepanels.com |
| PangolinB2B | B2B | San Francisco, United States | | pangolin.net |
| PantaFintech | Fintech | — | | pantainsure.com |
| ParachuteHealthcare | Healthcare | — | | parachute-ai.com |
| ParametricIndustrials | Industrials | — | | parametric.company |
| ParaQueryB2B | B2B | New York, United States | | paraquery.com |
| PARES AIOther | Other | San Francisco, United States | | pares.ai |