| LumariB2B | B2B | San Francisco, United States | | lumari.io |
| LuminalB2B | B2B | — | | luminal.com |
| LunaBillHealthcare | Healthcare | San Francisco, United States | | lunabill.com |
| LunavoB2B | B2B | San Francisco, United States | | lunavo.ai |
| LyraB2B | B2B | San Francisco, United States | | lyra.so |
| MagneticB2B | B2B | — | | magnetictax.com |
| MagnitudeB2B | B2B | San Francisco, United States | | magnitude.dev |
| Mango MedicalHealthcare | Healthcare | — | | mangomedical.io |
| MangoDeskB2B | B2B | San Francisco, United States | | mangodesk.com |
| ManiculeB2B | B2B | San Francisco, United States | Naman Bansal | manicule.dev |
| MantisB2B | B2B | — | | mantisbiotech.com |
| MantleB2B | B2B | — | | mantle.work |
| Manufact (formerly mcp-use)B2B | B2B | — | | manufact.com |
| Maquoketa ResearchIndustrials | Industrials | — | | maquoketa.net |
| MarkItB2B | B2B | San Francisco, United States | Chanhyung Kim | markittrade.com |
| MartiniB2B | B2B | — | | martini.film |
| MavenB2B | B2B | — | | trymaven.com |
| MayflowerGovernment | Government | San Francisco, United States | | mayflowervisa.com |
| MaywoodFintech | Fintech | — | | maywoodai.com |
| MendralB2B | B2B | — | | mendral.com |
| MesmerB2B | B2B | San Francisco, United States | | mesmer.co |
| MeteorConsumer | Consumer | San Francisco, United States | | browse.dev |
| MetorialB2B | B2B | — | | metorial.com |
| MillirayIndustrials | Industrials | — | | milliray.com |
| MimosB2B | B2B | — | | trymimos.com |
| MindFortB2B | B2B | — | | mindfort.ai |
| MinicorB2B | B2B | San Francisco, United States | | minicor.com |
| Minimal AIB2B | B2B | — | | gominimal.ai |
| MiniswapConsumer | Consumer | San Francisco, United States | | miniswap.gg |
| MixyConsumer | Consumer | — | Joe Kennedy | usemixy.com |
| Moby AnalyticsB2B | B2B | Paris, France | | mobyanalytics.com |
| MochaCareB2B | B2B | — | | mochacare.com |
| Mod AIB2B | B2B | — | | usemod.ai |
| ModaB2B | B2B | — | | modaflows.com |
| ModelenceB2B | B2B | San Francisco, United States | Aram Shatakhtsyan | modelence.com |
| MonarchaB2B | B2B | San Francisco, United States | | monarcha.ai |
| MorphikB2B | B2B | San Francisco, United States | Adityavardhan Agrawal | morphik.ai |
| MorphoAIIndustrials | Industrials | New York, United States | | morpho.ai |
| MossB2B | B2B | San Mateo, United States | Sri Raghu Malireddi | moss.dev |
| MotivesB2B | B2B | London, United Kingdom | | motives.ai |
| MouseCatB2B | B2B | — | | mousecat.ai |
| MOVEdotB2B | B2B | San Francisco, United States | | movedot.ai |
| MultifactorB2B | B2B | — | | multifactor.com |
| MunifyFintech | Fintech | — | | munify.ai |
| NaiveB2B | B2B | San Francisco, United States | | usenaive.ai |
| NarrativeB2B | B2B | San Francisco, United States | | narrative-sports.com |
| NautilusB2B | B2B | San Francisco, United States | | nautilus.co |
| NdeaIndustrials | Industrials | — | | ndea.com |
| NerviomOther | Other | — | | nerviom.com |
| NessieConsumer | Consumer | San Francisco, United States | | nessielabs.com |