Active companies
Companies their accelerator lists as active, or whose site is alive. 17,221 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| Browser UseAI Leading open-source web agent project with 50k stars in 3 months | Agent infrastructurebrowser automation for AI agents | Y CombinatorW25 | Active | checked 2026-08-23 |
| BudAI Agent with a computer | Agent infrastructureautonomous agent orchestration platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| Butter Embedded Sandboxes for Agents | Agent infrastructurelightweight sandbox runtime for agents | Y CombinatorW25 | Active | checked 2026-08-23 |
| Bystreet Your partner for hotel ownership data. | Commerce and marketplaceshotel owner data intelligence | Y CombinatorW25 | Active | checked 2026-08-23 |
| CalltreeAI Enterprise-grade AI support reps for call centers | Vertical AI agentsAI support reps for call centers | Y CombinatorW25 | Active | checked 2026-08-23 |
| CandorAI Protect your data and stop insider risk | Security and complianceagentic data loss prevention | Y CombinatorW25 | Active | checked 2026-08-23 |
| CandorAI We help companies win government funding with AI | Vertical AI agentsGovernment procurement agents for defense | Y CombinatorW25 | Inactive | checked 2026-08-17 |
| CardamonAI AI compliance co-pilot for regulated financial businesses | Security and complianceAI compliance automation for fintech | Y CombinatorW25 | Active | checked 2026-08-23 |
| careCycleAI Voice AI teams for medicare agencies. | Vertical AI agentsVoice AI for Medicare enrollment | Y CombinatorW25 | Active | checked 2026-08-23 |
| Caseflood.aiAI How elite law firms do intake | Vertical AI agentsAI intake agent for law firms | Y CombinatorW25 | Active | checked 2026-08-23 |
| Cedar Execute the best sales playbook in industry | B2B SaaSSales enablement and CRM automation | Y CombinatorW25 | Active | checked 2026-08-23 |
| CenoteAI AI agents for conversational commerce | Vertical AI agentsAI sales agents for e-commerce | Y CombinatorW25 | Active | checked 2026-08-23 |
| CifratoAI AI Accountant for Accounting Firms | Vertical AI agentsAI accounting automation for firms | Y CombinatorW25 | Active | checked 2026-08-23 |
| ClosureAI We help law enforcement solve crime | Vertical AI agentsAI agents for law enforcement case management | Y CombinatorW25 | Active | checked 2026-08-23 |
| Confident AIAI The LLM Eval and Observability Platform for AI Quality | Agent infrastructureLLM evaluation and observability platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| ConntourAI AI to monitor thousands of security cameras. | Security and complianceAI video surveillance monitoring | Y CombinatorW25 | Active | checked 2026-08-23 |
| ContrarioAI AI hiring platform powered by expert recruiters | Vertical AI agentsAI recruiting and hiring agents | Y CombinatorW25 | Active | checked 2026-08-23 |
| CopyCatAI AI agents built for insurance brokers | Vertical AI agentsAI agents for insurance brokers | Y CombinatorW25 | Active | checked 2026-08-23 |
| Corsair Connect your users to their apps | Agent infrastructureAPI integration for agents and workflows | Y CombinatorW25 | Active | checked 2026-08-23 |
| Cuckoo LabsAI Real-time AI translator for global sales and marketing | Horizontal AI assistantsReal-time meeting translation for sales | Y CombinatorW25 | Active | checked 2026-08-23 |
| DalusAI AI-Powered Hardware System Design Software | Developer toolsAI systems engineering software | Y CombinatorW25 | Active | checked 2026-08-23 |
| DartboardAI AI-native remote operations center for hardware fleets | Robotics and physical worldAI remote ops for hardware fleets | Y CombinatorW25 | Active | checked 2026-08-23 |
| DelineateAI Agents for Accelerated Clinical Trial Design | Vertical AI agentsAI agents for clinical trial design | Y CombinatorW25 | Active | checked 2026-08-23 |
| DexAI The AI Coworker in Chrome | Horizontal AI assistantsbrowser-based AI copilot for knowledge work | Y CombinatorW25 | Active | checked 2026-08-23 |
| DollyglotAI Character.AI with real time video avatars | ConsumerAI avatar conversations with video | Y CombinatorW25 | Active | checked 2026-08-23 |
| EdexiaAI AI Teacher Assistant for Grading Essays | Vertical AI agentsAI essay grading for teachers | Y CombinatorW25 | Active | checked 2026-08-23 |
| Elip AIAI Cooking something sweet and salty! | Vertical AI agentsAI recruiting assistant | Y CombinatorW25 | Active | checked 2026-08-23 |
| Enhanced RadarAI AI for air traffic control | Defense and spaceAI air traffic control systems | Y CombinatorW25 | Active | checked 2026-08-23 |
| ErgoAI AI agents and unified data layer for revenue teams | Vertical AI agentsAI agents for sales operations | Y CombinatorW25 | Active | checked 2026-08-23 |
| Excellence LearningAI AI tutor starting with maths and science | ConsumerAI-powered after-school tutoring | Y CombinatorW25 | Active | checked 2026-08-23 |
| Exin Therapeutics AI drug discovery platform for neurotherapeutics | Healthcare and bioAI-guided drug discovery for neurological disorders | Y CombinatorW25 | Site unreachable | checked 2026-08-17 |
| ExlaAI Building agents that reads logs and fixes issues on your behalf. | Vertical AI agentsAI SRE agent for production monitoring | Y CombinatorW25 | Active | checked 2026-08-23 |
| finbarAI The AI investment analyst | Vertical AI agentsAI investment analysis for hedge funds | Y CombinatorW25 | Active | checked 2026-08-23 |
| FiraAI Financial research platform for investment firms | B2B SaaSAI research automation for investment analysts | Y CombinatorW25 | Active | checked 2026-08-23 |
| FlowtelAI The AI Voice agents for hotels | Vertical AI agentsAI voice agents for hotel operations | Y CombinatorW25 | Active | checked 2026-08-23 |
| Forge Automation Software Enabled CNC Parts Supplier | Robotics and physical worldOn-demand CNC parts manufacturing | Y CombinatorW25 | Active, new domain | 2026-08-23 |
| Fuse AIAI Agentic Sales Platform | Vertical AI agentsAI-driven outbound sales platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| G LNKAI Simplifying Collaboration for Healthcare Organizations & Professionals | B2B SaaSAI-powered healthcare professional matching | Y CombinatorW25 | Active | checked 2026-08-23 |
| Gale Fast and Data-Driven Immigration Platform | B2B SaaSImmigration compliance and visa management | Y CombinatorW25 | Active | checked 2026-08-23 |
| General TrajectoryAI AI for the physical world | Robotics and physical worldAI for autonomous robotics and manufacturing | Y CombinatorW25 | Active | checked 2026-08-23 |
| HarberaAI AI Healthcare Provider Credentialing Software | Vertical AI agentsAI healthcare credentialing automation | Y CombinatorW25 | Active | checked 2026-08-23 |
| HarperAI AI-native commercial insurance brokerage | Vertical AI agentsAI autonomous commercial insurance brokerage | Y CombinatorW25 | Active | checked 2026-08-23 |
| HealthKeyAI AI-powered Patient Identification for Clinical Trials | Vertical AI agentsAI patient matching for clinical trials | Y CombinatorW25 | Active | checked 2026-08-23 |
| Hey TeloAI Voice AI for Home Services | Vertical AI agentsVoice AI for home services | Y CombinatorW25 | Active | checked 2026-08-23 |
| HUDAI Platform for building RL environments and evals | Data for AIReinforcement learning environment and dataset platform | Y CombinatorW25 | Active | checked 2026-08-17 |
| Infinite Global B2B Stablecoin Processor | Fintechstablecoin payment infrastructure | Y CombinatorW25 | Active | checked 2026-08-23 |
| Instinct Space Building lunar landers | Defense and spacelunar lander hardware | Y CombinatorW25 | Active | checked 2026-08-23 |
| Inversion Semiconductor Manufacturing the most powerful chips, 15x faster | AI infra and computesemiconductor manufacturing equipment | Y CombinatorW25 | Active | checked 2026-08-23 |
| InvoAI infra for computer use agents | Agent infrastructurecomputer use agent infrastructure | Y CombinatorW25 | Active | checked 2026-08-23 |
| KarooAI AI native consumer lending platform for underserved Americans | FintechAI-powered consumer lending for underserved borrowers | Y CombinatorW25 | Active | checked 2026-08-23 |
| Karsa Stablecoin neobank for emerging markets | Fintechstablecoin neobank for emerging markets | Y CombinatorW25 | Active | checked 2026-08-24 |
| Leaping AIAI AI voice and texting agents | Vertical AI agentsAI voice agents for customer service | Y CombinatorW25 | Active | checked 2026-08-23 |
| Liquid Compute Pending CFTC regulation to be the first cash and physically settled… | Fintechcompute derivatives exchange | Y CombinatorW25 | Active | checked 2026-08-23 |
| LopusAI Headless Data Team | Data for AIsemantic layer for trusted AI analytics | Y CombinatorW25 | Active | checked 2026-08-23 |
| LucidAI interactive video models | Consumerinteractive video model games | Y CombinatorW25 | Active | checked 2026-08-23 |
| Lucidic AIAI Reimagining how Machines Learn | Agent infrastructureAI agent learning and personalization system | Y CombinatorW25 | Active | checked 2026-08-23 |
| MacadamiaAI AI Agents for Complex Engineering Projects | Vertical AI agentsAI agents for engineering projects | Y CombinatorW25 | Active | checked 2026-08-23 |
| MaiveAI AI for Home Services | Vertical AI agentsAI automation for home service contractors | Y CombinatorW25 | Active | checked 2026-08-23 |
| Maritime Fusion Fusion reactors for ships | Climate and energyfusion reactors for maritime and off-grid | Y CombinatorW25 | Active | checked 2026-08-23 |
| MastraAI The Javascript framework for building AI agents, from the Gatsby devs | Agent infrastructureAI agent framework and orchestration | Y CombinatorW25 | Active | checked 2026-08-23 |
| Mecha HealthAI Foundation models to automate x-ray analysis for radiologists | Healthcare and bioAI-powered radiology reporting | Y CombinatorW25 | Active | checked 2026-08-23 |
| Mentra Building the open source smart glasses operating system. | Consumeropen source smart glasses OS | Y CombinatorW25 | Active, new domain | 2026-08-23 |
| MercuraAI AI Quote and Order Automation for Distributors & Manufacturers | B2B SaaSSales automation for distributors | Y CombinatorW25 | Active | checked 2026-08-23 |
| MeshAI Eliminating accrual spreadsheets for faster month-end | B2B SaaSAI-powered accruals automation for finance | Y CombinatorW25 | Active | checked 2026-08-23 |
| Misprint Misprint is building Robinhood for Pokemon cards | Consumercollectibles marketplace with pricing analytics | Y CombinatorW25 | Active | checked 2026-08-23 |
| Miyagi LabsAI AI tutors for exam prep | Vertical AI agentsAI tutoring for standardized exams | Y CombinatorW25 | Active | checked 2026-08-23 |
| MosaicAI Frontier Video Agents | Vertical AI agentsVideo content generation and editing agents | Y CombinatorW25 | Active | checked 2026-08-23 |
| Motley Bio Unlocking early disease biology with multiomics. | Healthcare and bioMultiomics disease detection platform | Plug and PlayPnP 2025 | Active | checked 2026-08-23 |
| Mundo AI High Quality Multilingual Training Data for AI Models | Data for AImultilingual training data collection | Y CombinatorW25 | Active | checked 2026-08-23 |
| NitrodeAI Frontier AI research to advance game development | Developer toolsAI evaluation frameworks for game dev | Y CombinatorW25 | Active | checked 2026-08-23 |
| OkiAI The digital home for your personal memories | Consumerpersonal memory and AI recall | Y CombinatorW25 | Active | checked 2026-08-23 |
| OliveAI Curated stories, every day | Vertical AI agentsAI recruiting and talent sourcing | Y CombinatorW25 | Active | checked 2026-08-23 |
| OnlookAI Cursor for Designers | Developer toolsAI-powered visual code editor for designers | Y CombinatorW25 | Active | checked 2026-08-23 |
| OpenIntakeAI The AI Front Door For Law Firms | Vertical AI agentsAI intake agent for law firms | Y CombinatorW25 | Active | checked 2026-08-23 |
| Operand Operand — Private-Markets Intelligence | Developer toolsAI-powered code/query optimization | Y CombinatorW25 | Active | checked 2026-08-23 |
| Optifye.aiAI AI performance monitoring for factory workers | Robotics and physical worldAI factory floor monitoring | Y CombinatorW25 | Active | checked 2026-08-23 |
| Orbital Operations High Thrust Space Vehicles for Satellite Defense | Defense and spacesatellite defense vehicles | Y CombinatorW25 | Active | checked 2026-08-23 |
| OsmosisAI Reinforcement Learning (RL) for AI Agents | AI infra and computeRL fine-tuning platform for AI | Y CombinatorW25 | Active | checked 2026-08-23 |
| OutlitAI Retain and Grow Every Customer | B2B SaaSCustomer health and retention analytics | Y CombinatorW25 | Active | checked 2026-08-23 |
| Outship Hire amazing engineers by seeing how they use AI | B2B SaaSAI-powered engineering recruitment platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| Overstand LabsAI Navigate any set of data - no matter how large - in minutes. | Data for AIAI-powered data exploration and analysis platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| OvloAI Founder led hiring for London startups | Vertical AI agentsAI recruiting assistant for startups | Y CombinatorW25 | Active | checked 2026-08-23 |
| ParagonAI The AI Growth Engine for Industrials | Vertical AI agentsAI automation for industrial distributors | Y CombinatorW25 | Active | checked 2026-08-23 |
| Paratus Health The first healthcare GTM data platform | B2B SaaSHealthcare sales intelligence platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| Pave Robotics Robots that repair roads | Robotics and physical worldautonomous road repair robots | Y CombinatorW25 | Active | checked 2026-08-23 |
| PAX Markets More 𝛼, less latency: exchange and HFT on one chip. | Fintechcrypto exchange with HFT optimization | Y CombinatorW25 | Active | checked 2026-08-23 |
| Peppr AIAI In-call AI teleprompter that helps reps close enterprise deals | Horizontal AI assistantsSales call AI copilot | Y CombinatorW25 | Active | checked 2026-08-23 |
| PermitifyAI AI co-pilot for building plan review and building code compliance | Vertical AI agentsAI copilot for building code compliance | Y CombinatorW25 | Active | checked 2026-08-23 |
| PickleAI Where your life context becomes understanding. | ConsumerAI-powered AR glasses and personal memory OS | Y CombinatorW25 | Active | checked 2026-08-23 |
| PinchAI Real-time AI Voice Translation for Developers | Developer toolsvoice translation API for developers | Y CombinatorW25 | Active | checked 2026-08-23 |
| PraximAI The agentic AI Word editor | Horizontal AI assistantsAI-powered document editor | Y CombinatorW25 | Active | checked 2026-08-23 |
| Proception IncAI Making humanoids dexterous enough to thread a needle | Robotics and physical worlddexterous humanoid robots | Y CombinatorW25 | Active | checked 2026-08-23 |
| PromptlessAI An AI teammate that automatically updates your customer-facing docs | Developer toolsAI-powered documentation automation | Y CombinatorW25 | Active | checked 2026-08-23 |
| QuantstructAI AI documentation engineer – test & autoimprove stale product docs | Developer toolsAI documentation automation for APIs | Y CombinatorW25 | Active | checked 2026-08-23 |
| Rally Financial OS for Modern Fleets | FintechFleet financial operations platform | Y CombinatorW25 | Active | checked 2026-08-23 |
| ReboltAI AI-Powered Company OS | Vertical AI agentsAI software factory for enterprises | Y CombinatorW25 | Active | checked 2026-08-23 |
| Red Barn Robotics A Roomba for weeds on a farm. | Robotics and physical worldautonomous weeding robot for farms | Y CombinatorW25 | Active | checked 2026-08-23 |
| Reditus Space Reusable Satellites | Defense and spaceReusable orbital platforms | Y CombinatorW25 | Active | checked 2026-08-23 |
| ReJot We turn complex API integrations into drop‑in full‑stack libraries | Developer toolsAPI integration framework | Y CombinatorW25 | Active | checked 2026-08-23 |
| RetrofitAI A vintage marketplace curated by AI | ConsumerAI-curated vintage marketplace | Y CombinatorW25 | Active | checked 2026-08-23 |