MarkosWebWeb intelligence for the agentic economy

Active companies

Companies their accelerator lists as active, or whose site is alive. 17,221 companies.

clusterConsumer 1,797B2B SaaS 1,732Fintech 1,501Vertical AI agents 1,447Healthcare and bio 1,439Robotics and physical world 1,255Commerce and marketplaces 1,105Climate and energy 810Other 624Developer tools 564Agent infrastructure 444Security and compliance 408Data for AI 391AI infra and compute 297Horizontal AI assistants 255Defense and space 225
year2027 12026 1,0642025 1,6042024 1,9132023 1,5742022 1,4102021 1,2142020 8112019 7922018 6562017 5302016 4432015 3912014 249
sourceTechstars 4,974Plug and Play 4,854Y Combinator 4,296500 Global 1,551Entrepreneur First 468Alchemist Accelerator 445a16z speedrun 241South Park Commons 184Pear VC 175Sequoia Arc 33
CompanyClusterProgramStatusLast signal
SpartaAI

Adaptive data transfer optimization for high-performance infrastructure, Berkeley CS founders.

AI infra and computedata transfer optimization for distributed systemsa16z speedrunSR006Activechecked 2026-08-23
Thirdbrain LabsAI

Unlocking the next one billion specialized models

AI infra and computePost-training infrastructure for domain modelsa16z speedrunSR006Activechecked 2026-08-23