| Tonic.ai | | |
| Tonsser | | |
| Top Hat Monocle | | |
| Top10 | | |
| TopCoat Data | | |
| Topknot | | |
| Topogy | | |
| Topos | | |
| TopTarif | | |
| TopUp TV | | |
| Torg | | |
| Tortoise | | |
| Tortuga logic, Inc. dba Cycuity | | |
| Toss | | |
| Totango | | |
| TOTEM | | |
| Touch of Modern | | |
| Trace.Space | | |
| Traceable | | |
| TraceAir | Construction-site intelligence software | |
| Tracelytics | | |
| Track Titan | | |
| Trackonomy Systems | | |
| Tracktik | | |
| Tractable | | |
| Traction Guest | | |
| Tractive | | |
| Tracworx | | |
| Tracxn | | |
| Trademo | | |
| Tradeshift Holdings, Inc. | | |
| Tradesly | | |
| Tradico | | |
| Traffix Systems | | |
| Trail Security | | |
| Trans*H4CK | | |
| TransAct Communications | | |
| Transave | | |
| Transcelestial Technologies | | |
| Transfix | | |
| Transform | | |
| Transfyr | | |
| Transition Metal Solutions | Metal and mineral transition technology | |
| Transmetrics | | |
| Transmode | | |
| Transpo Group | | |
| Trapeze Networks, Inc. | | |
| Traverse Data | | |
| Treasure Data | | |
| TreatFeed | | |
| Treeline | | |
| Trellis Air | | |
| Trendabl | | |
| trendsAf | | |
| Trendtours Touristik | | |
| Trent AI | | |
| Trepa | | |
| Trezy | | |
| TrialReach | | |
| Tribe | | |
| Triberry | AI-powered mobile product-development platform | |
| TRIC Robotics | Agricultural robotics for automated pest and disease control. Version One institutional seed lead verified; financing currency and USD 5 million versus 5.5 million reporting require clarification. | |
| trica | | |
| Trickest | | |
| Trident Digital | | |
| Trieve | | |
| Trifacta | | |
| Trigger.io | | |
| Triggermesh | | |
| TriLite Technologies | | |
| TrillerTV | | |
| Trilo | | |
| TRIP | | |
| tripAbrood | | |
| Tripledot Studios | | |
| TripleLift | | |
| Triplemint | | |
| Tripoto Travel Private Limited | | |
| trivago | | |
| TRLab | | |
| Tromzo | | |
| Tropic Biosciences | | |
| Trouva | | |
| Trove | | |
| Trover | | |
| Trozo | | |
| tru.ID | | |
| True Office Learning | | |
| true[X] | | |
| TrueFacet | | |
| Truleo | | |
| Trulia | | |
| TruLite Health | | |
| Trunk | | |
| Trupeer Ai | | |
| Trust Machines | | |
| Trustev | | |
| Trustible AI | | |
| TrustLogix | | |
| TruStory | | |
| Trustpair | | |
| TrustPath | | |
| TrustPlus Inc. | | |
| Truvi | | |
| Tryndbuy | | |
| Tulip Retail | | |
| Tulyp | | |
| TuneWiki | | |
| Turbo Labs | | San Francisco, California |
| TURBO Studios | | |
| Turbonomic | | |
| Turing Video | | |
| Turn | | |
| Turn.bio | | |
| Turn2C | | |
| Turneo | Software for hotels to sell and manage guest experiences | |
| Turnip | | |
| TurnKey Vacation Rentals | | |
| Turnover Labs | On-site synthesis of carbon-neutral chemicals from point-source CO2. | |
| Turquoise | | |
| Turso | | |
| Turtle Club | | |
| tutoria GmbH | | |
| TuVox/West Corporation | | |
| Tuza | | |
| tvScientific | | |
| TVtrip | | |
| TVTY | | |
| TVU Networks | | |
| Twain | | |
| TweetUp | | |
| Twenty (YC S23) | | |
| Twig | | |
| Twill | | |
| Twin1 Ai | | |
| Twine Health | | |
| Twinzo | Slovakia-based live 3D digital-twin platform for industrial operations. | |
| Twisty | | |
| Twitch | | |
| Twitch Tv | | |
| Two Estates Wine Collective | | San Francisco, California |
| Two Pop Productions | | |
| TwoStep Therapeutics | | |
| Tylko | | |
| TyresOnTheDrive.com | | |
| TytoCare | | |
| TYXIT | | |
| TômTex Inc. | | |
| U.S. Foot & Ankle Specialists | | |
| Ualá | | |
| Ubble | | |
| Ubble.ai | | |
| uberall | | |
| UberCab | | |
| UberPlug | | |
| UbiNetics | | |
| UBIO | | |
| Ubiquisys | | |
| Ubiquitous Influencer Marketing | | |
| Udemy | | |
| UdiSense, Inc. | | |
| Ugenie | | |
| Uget | | |
| Uhnder | | |
| UiPath | | |
| uKnow Corporation | | |
| Ultimate | | |
| Ultraviolette Automotive | | |
| umati capital | | |
| Umbrella | | |
| Umedeor | | |
| Umi Kitchen | | |
| Umiami | | |
| Umrahme | | |
| Una Brands | | |
| UNASTELLA | | |
| Undisclosed Startup | | |
| Unframe | | |
| Unframe AI | | |
| Uni Cards | | |
| Unicorn Workspaces | | |
| Unifonic | | |
| Uniform Teeth | | |
| Uniformity Labs | | |
| UnifyID | | |
| Uniken | | |
| Unilever | | |
| Union Bank | | |
| Union Technologies | | |
| Unipe | | |
| UniqueSound | | |
| Unison Computing | | |
| Unison.Cloud | | |
| Unitary | | |
| Unite | | |
| United Capital | | |
| UnitedMasters | | |
| Unito | | |
| UniUni | | |
| Universal | | |
| Universal Avenue | | |
| Unleashed Games | | |
| Unlock | | |
| Uno Health | | |
| Unosecur GmbH | | |
| Unravel Data Systems | | |
| unrd | | |
| Unrivaled | | |
| Unstruk Data | | |
| Unstuck Engine | B2B targeting tool | |
| Unsubscribe.com | | |
| Untap Health | | |
| Untether AI | | |
| Untitled Labs | Roger Dickey company. | |
| Unwell | | |
| Up All Night | | |
| Up To The Write | | San Francisco, California |
| Upflow | | |
| Upfort | | |
| Upgradable | | |
| Upgraded | | |
| Upheal | | |
| Upland Localytics | | |
| Uplevel | | |
| Uplevel Security | | |
| Upmem | | |
| UpNest | | |
| Uppercase | | |
| Upscribe | | |
| Upskill | | |
| UpSlide | | |
| Upstash | | |
| Upstream App | | |
| Upstream Security | | |
| Upsun | | |
| Uptycs | | |
| Upvest GmbH | | |
| Upwage | | |
| Upwave | | |
| Upwind Security, Inc. | | |
| Upwork Global, Inc. | | |
| Urban Company | | |
| Urban Engines | | |
| Urban Health | | |
| Urban Jungle | | |
| Urban Massage | | |
| UrbanClap | | |
| Ursa Space | | |
| US Health Partners | | |
| Useparagon | | |
| Usermind | | |
| UserTesting | | |
| uShip | | |
| Ushur | | |
| USound | | |
| UtilizeCore | | |
| UTURN Entertainment | | |
| UWINLOC | | |
| V7 Labs | | |
| VADE | | |
| Vala | | |
| Valere Power | | |
| Validately | | |
| Valink | | |
| Valinor Discovery | | |
| Vallo | | |
| Valohai | | |
| Valon Technologies | | |
| Vals AI | | |
| Vaniday | | |
| Vantage Point | | |
| Vantik | | |
| Vantis | Vantis operates in Enterprise Software. | |
| Vantis Health | | |
| Vanu | | |
| Varaha Carbontech | | |
| Variational AI | | |
| Varjo Technologies | | |
| vArmour | | |
| VarmX | | |
| Varolii | | |
| Vasona Networks | | |
| Vault Platform | | |
| Vaultree | | |
| Vaultspeed | | |
| Vayyar Imaging, Ltd. | | |
| Vdoo | | |
| Vearsa | | |
| Vectara | | |
| Vectornator | | |
| Veeda AI | World models that simulate physical reality for autonomous systems | |
| Veem | | |
| VeeR (Velocious) | | |
| Velano Vascular | | |
| Velaura AI | | |
| Velocious Technologies | | |
| Velocity | | |
| Velocity Black | | |
| Velory | | |
| Velostrata | | |
| Velvet AutoInvest | | |
| Vend Park | | |
| Vendease | | |
| VendorPM | | |
| Venn (formerly Vault) | | |
| Venova Medical | Medical device company. | |
| Ventealapropriete | | |
| VentureBeat | | |
| Ventus Therapeutics | | |
| Venue | | |
| VenWiz | | |
| Veo Robotics | | |
| Vera | | |
| Vera Security, Inc. | | |
| Verana Networks | | |
| Verandah | | |
| Verastem Oncology | | |
| Verata Health (Now Part of Olive) | | |
| Verax AI | Enterprise generative-AI security | |
| Veraz Networks | | |
| Verbit | | |
| Verge Labs | | |
| Verily Life Sciences | | |
| Veris.ai | AI company. | |
| Verisian | | |
| VeriSilicon | | |
| VeriSilicon Holdings | | |
| VeriSIM Life | | |
| Veritas Intercontinental | | |
| Veritus | | |
| Verloop.io | | |
| Verne | | |
| Versantis | | |
| Verse.ai | | |
| Versework | | |
| VersionEye | | |
| VersionPress | | |
| Versive | | |
| Versly | | |
| Versori | | |
| Vertex Pharmaceuticals | | |
| Vertica Systems | | |
| Vertical Media | | |
| Vertos Medical | | |
| Verve Motion | | |
| Ververica | | |
| Vestaboard | | |
| Vetalia | | |
| Vetcove | | |
| Veveo | | |
| Veza | | |
| VGS | | |
| vHive | | |
| Via Separations | | |
| ViajaNet | | |
| VIAN Therapeutics | | |
| Vianai | | |
| Vianova | | |
| Vibe | | |
| Vibe Coding Academy | | |
| VICIO | | |
| Viddy, Inc. | | |
| Videa | | Cambridge, Massachusetts |
| Videdressing | | |
| Vidme | | |
| View | | |
| Viggle AI | | |
| Vigil | | |
| Vigilent | | |
| Viktor | Viktor develops an AI employee that operates in Slack and Microsoft Teams and completes work across business applications. | |
| Vinehealth | | |
| Vinli | | |
| Vint, a social booking platform | | |
| Violette | | |
| Viora - visible through confidence | | |
| VIP-Vac | | |
| Virage | | |
| Virdia | | |
| Virgil Security | | |
| Virgin Hyperloop | | |
| Viridi | | |
| Viro Media | | |
| Virtex Stadium | | |
| Virtonomy | Digital patient twins and virtual simulations for medical-device development. | |
| Virtru | | |
| Virtual Nights | | |
| Virtual Power Systems | | |
| Virtual Rendezvous | | |
| Virtually Human | | |
| Virtuix | | |
| Virtusa | | |
| Visa | | |
| Visiativ Switzerland | | |
| Visible | | |
| visionAI | | |
| VisionCare Ophthalmic Technologies | | |
| Visit | | |
| Viso | | |
| Visolis | | |
| Visor | | |
| Visto | | |
| Visual Supply Co. | | |
| Visual Vocal | | |
| Vitaance | Employee wellness and life insurance | Spain |
| Vital Interaction | | |
| Vitally | | |
| Vitrina A.I. | | |
| Vitrue | | |
| Vitt | | |
| Viuing | | |
| Vium | | |
| Viva Republica Inc. | | |
| Vivecoach | | |
| Vivense Home & Living | | |
| Vivity Labs | | |
| Vivox | | |
| Viz | | |
| Vizcom | | |
| Vizu Corporation | | |
| Vlingo | | |
| VMind AI | | |
| VMware | | |
| Vocca | | |
| Vodkaster | | |
| Vodkaster/Riplay | | |
| VoiceCare AI | | |
| VoiceFrom | Real-time AI interpretation platform | |
| VOIO | | |
| Voiseed | | |
| Voltaware | | |
| Voltea | | |
| Volter | Renewables operating system for commercial customers | |
| VoltStorage | | |
| Vontu | | |
| Vopero | | |
| Vorflux | | |
| Vosbor Exchange | | |
| Vostu | | |
| Vow | | |
| Vox Media | | |
| Voxel Labs | | |
| Voxel51 | | |
| Voxel8 | | |
| Voxx Inc. | | |
| Voy | | |
| voya | | |
| Voyage | | |
| Voyager Technologies | | |
| Voyagers Climate | | |
| Voyfai | | |
| VPL Research | | |
| VRChat | | |
| VRgineers | | |
| Vringo, Inc. | | |
| Vsim | | |
| Vsim Technology | | |
| VSORA | | |
| VSporto | | |
| VTS | | |
| Vudu | | |
| Vuori | | |
| Vurb | | |
| Vybe | | |
| Vyne Technologies | | |
| Wabbi | | |
| Wabi AI | | |
| Waeve | | |
| Waggl, Inc. | | |
| Waivr | | |
| Wake | | |
| Waldo Photos | | |
| Walker & Co | | |
| Walker & Company Brands | | |
| Walkie Talkie | | |
| Wallaroo Labs | | |
| Wallbox | | |
| Wallfacer | | |
| Wally Health | | |
| Walrus.ai | | |
| Wand App | | |
| Wanderset | | |
| Warby Parker | | |
| WarmOven | | |
| Wash Wise | | |
| Washio | | |
| Wasmer | | |
| WatchFit | | |
| WatchParty | | |
| Waterlily | | |
| Waterline Data | | |
| Watershed | Carbon accounting and climate management | |
| Watershed Informatics | | |
| Wave Accounting | | |
| Wave Mobile Money | | |
| WAVE MOBILE MONEY HOLDINGS INC. | | |
| WaveForms AI | | |
| WayKonect | | |
| Waymo | | |
| WayScript | | |
| Waytation | | |