Active companies
Companies their accelerator lists as active, or whose site is alive. 17,199 companies.
| Company | Cluster | Program | Status | Last signal |
|---|---|---|---|---|
| PolymathAI Simulation environments to train & evaluate long-horizon AI agents | Agent infrastructureSimulation environments for agent training | Y CombinatorW26 | Active | checked 2026-08-23 |
| RamAInAI Automate any UI task with natural language | Agent infrastructureUI automation and RPA orchestration | Y CombinatorW26 | Active | checked 2026-08-23 |
| Ressl AIAI Train, eval and build autonomous agents | Agent infrastructureAgent training and evaluation platform | Y CombinatorW26 | Active | checked 2026-08-23 |
| Rhizome AIAI Agent Platform for Life Sciences | Agent infrastructureLife sciences research agent platform | Y CombinatorW26 | Active | checked 2026-08-23 |
| Rubric AIAI Reasoning and verification infra for AI | Agent infrastructurereasoning and verification infrastructure | Y CombinatorW26 | Active | - |
| RunAnywhereAI The default way of running on-device AI at Scale | Agent infrastructureEdge AI model deployment and management | Y CombinatorW26 | Active | checked 2026-08-23 |
| SalusAI Guardrails to validate your agent's actions before they execute | Agent infrastructureAgent action validation and guardrails | Y CombinatorW26 | Active | checked 2026-08-23 |
| SentrialAI Datadog for Agent Reliability | Agent infrastructureAI agent monitoring and debugging | Y CombinatorW26 | Active | checked 2026-08-23 |
| SilaAI Agent-Native Messaging Platform | Agent infrastructureAgent communication and messaging platform | Y CombinatorW26 | Active | checked 2026-08-23 |
| SkillsyncAI Move context across agents and teammates | Agent infrastructureAgent session management and knowledge sharing | Y CombinatorW26 | Active | checked 2026-08-23 |
| SpongeAI Financial infrastructure for the agent economy | Agent infrastructureagent payments and banking | Y CombinatorW26 | Active | checked 2026-08-23 |
| Talking ComputersAI AI for AI Infrastructure | Agent infrastructureAI infrastructure optimization agents | Y CombinatorW26 | Active | checked 2026-08-23 |
| The Token CompanyAI Compression middleware that improves LLM outputs | Agent infrastructureLLM context compression middleware | Y CombinatorW26 | Active | checked 2026-08-23 |
| TraverseAI Research lab solving non-verifiable work | Agent infrastructureNon-verifiable work automation | Y CombinatorW26 | Active | checked 2026-08-23 |
| VOYGRAI Real-world place intelligence for AI apps and agents | Agent infrastructureplace intelligence API for AI agents | Y CombinatorW26 | Active | checked 2026-08-23 |
| Zatanna Turning all software into agent-first APIs | Agent infrastructureReverse-engineered APIs for legacy software | Y CombinatorW26 | Active | checked 2026-08-23 |
| AlikeAI The Agent Collaboration Layer for Enterprises | Agent infrastructureAgent collaboration and orchestration platform | a16z speedrunSR006 | Active | checked 2026-08-23 |
| BotaAI Bridging AI agents and the real world: $0 --> $710K cARR in 5 weeks | Agent infrastructureReal-world context for AI agents | a16z speedrunSR006 | Active | checked 2026-08-23 |
| Duplex AIAI Natural, full-duplex voice AI for enterprises | Agent infrastructureFull-duplex voice AI platform | South Park Commons | Active | checked 2026-08-23 |
| ModaicAI Verification & alignment infra for AI decisions. MIT / BU team, design partnerships with Accenture, Dropbox, and Vercel. | Agent infrastructureAI decision verification and alignment | a16z speedrunSR006 | Active | checked 2026-08-23 |
| OasisAI The AI-Native Organization built by Ex-Palantir FDEs | Agent infrastructureHuman-agent team orchestration platform | a16z speedrunSR006 | Active | checked 2026-08-23 |
| SentraAI The foundational memory for Enterprise General Intelligence. | Agent infrastructureenterprise memory and context layer | a16z speedrunSR006 | Active | checked 2026-08-23 |
| VariantNowAI AI Infrastructure for the Adaptive Web. $600K ARR in 3 months | Agent infrastructureReal-time decisioning and generation layer | a16z speedrunSR006 | Active | checked 2026-08-23 |