Active companies

Companies their accelerator lists as active, or whose site is alive. 17,199 companies.

CompanyClusterProgramStatusLast signal
ProjectXAI

Agent native workspace for heavy parallel workflows on the web

Agent infrastructureParallel multi-agent OS infrastructureY CombinatorX26Activechecked 2026-08-23
Prototyping.ioAI

Autonomous manufacturing for mechanical parts

Robotics and physical worldAI-driven manufacturing automationY CombinatorX26Activechecked 2026-08-23
qomplementAI

The Agentic ERP for supply chain operations

Vertical AI agentsagentic ERP for supply chain operationsY CombinatorX26Activechecked 2026-08-23
RASPIREAI

Autonomous Runtime Security

Security and complianceAI-powered runtime threat detectionY CombinatorX26Activechecked 2026-08-23
ReasonBlocksAI

The runtime layer that makes AI agents cheaper and more reliable

Agent infrastructureAI agent runtime optimizationY CombinatorX26Activechecked 2026-08-23
Regbase

Automating Corporate Compliance, Worldwide

Security and complianceCompliance automation platformY CombinatorX26Activechecked 2026-08-23
RentAHumanAI

Marketplace for AI agents to hire humans.

Agent infrastructureAI agent workforce marketplaceY CombinatorX26Activechecked 2026-08-23
ReplicasAI

Run any coding agent harness in the cloud

Agent infrastructureAI agent orchestration and executionY CombinatorX26Activechecked 2026-08-23
Result

Where new internet entrepreneurs build and run their companies

B2B SaaSAll-in-one platform for startup foundersY CombinatorX26Activechecked 2026-08-23
RevnuAI

The growth infrastructure for the autonomous business

Vertical AI agentsAI growth and GTM automationY CombinatorX26Activechecked 2026-08-23
River Markets

Prime brokerage for prediction markets

Fintechprediction markets prime brokerageY CombinatorX26Activechecked 2026-08-23
RudusAI

AI Takeoffs for Concrete

Vertical AI agentsAI takeoff estimation for concrete contractorsY CombinatorX26Activechecked 2026-08-23
RuntimeAI

Build and run internal agents, without managing the infrastructure

Agent infrastructurecoding agent orchestration and governanceY CombinatorX26Activechecked 2026-08-23
Saffron

Helping your company find 10x engineers.

Developer toolsAI-assisted engineering evaluationY CombinatorX26Activechecked 2026-08-23
SalesgraphAI

Proactive revenue agents that move enterprise deals forward

Vertical AI agentsRevenue automation for enterprise salesY CombinatorX26Activechecked 2026-08-23
Saudara AIAI

AI Native Sourcing Broker For Overseas Manufacturing

Commerce and marketplacesAI-powered manufacturing sourcing and procurementY CombinatorX26Activechecked 2026-08-23
SavantAI

Company brain every AI-native enterprise runs on

Agent infrastructureKnowledge management for AI agentsY CombinatorX26Activechecked 2026-08-23
SazabiAI

The AI-native observability platform for fast-moving engineering teams

AI infra and computeAI-native observability and monitoringY CombinatorX26Activechecked 2026-08-23
ScopeAI

We help software companies get discovered and used by AI agents

Developer toolsAI agent discoverability and optimizationY CombinatorX26Activechecked 2026-08-23
SherpaAI

Make websites improve themselves.

B2B SaaSAI-powered conversion optimization platformY CombinatorX26Activechecked 2026-08-23
shotwell.aiAI

Annotations for robotics data

Data for AIRobotics data annotation and QAY CombinatorX26Activechecked 2026-08-23
SilmarilAI

Security for agents that self-improves

Agent infrastructureAI agent security and monitoringY CombinatorX26Activechecked 2026-08-23
SmartbaseAI

AI-native ERP for manufacturers

B2B SaaSAI-native ERP for manufacturersY CombinatorX26Site unreachablechecked 2026-08-17
smol machines

Ship software faster with portable, self contained virtual machines.

Developer toolsportable VM containerization for developersY CombinatorX26Activechecked 2026-08-23
SoriaAI

AI Financial Research Terminal built for Healthcare (and beyond)

FintechAI research terminal for healthcare investorsY CombinatorX26Activechecked 2026-08-23
StableBrowseAI

Building the Data Infrastructure layer for Physical AI.

Agent infrastructureModel evaluation and testing infrastructureY CombinatorX26Activechecked 2026-08-23
StageAI

Code review platform for humans and agents

Developer toolsAI-aware code review platformY CombinatorX26Activechecked 2026-08-23
Standard SignalAI

Hedge fund where AI researches and executes every trade end-to-end

FintechAI-powered hedge fundY CombinatorX26Activechecked 2026-08-23
StandoutAI

Agentic hiring marketplace

Vertical AI agentsagentic hiring marketplaceY CombinatorX26Activechecked 2026-08-23
SuperlogAI

Make software self-healing

Developer toolsAI-native observability and auto-remediationY CombinatorX26Activechecked 2026-08-23
SupersetAI

Building self-improving software

Developer toolsIDE for AI coding agentsY CombinatorX26Active2026-08-14
Surtr Defense Systems

The hardware-agnostic operating system for drone defense

Defense and spaceCounter-UAS OS and threat fusionY CombinatorX26Activechecked 2026-08-23
Synphony

robots & software for farms

Robotics and physical worldautonomous agricultural harvesting robotsY CombinatorX26Activechecked 2026-08-23
TaigaAI

Autonomous medical billing

Vertical AI agentsAI medical billing automationY CombinatorX26Activechecked 2026-08-23
TakeCareOSAI

AI-native operating system for long term care providers

Vertical AI agentsAI operating system for long-term care providersY CombinatorX26Activechecked 2026-08-23
TaskletAI

Agents that own the work

Horizontal AI assistantsAI agents for workflow automationY CombinatorX26Activechecked 2026-08-23
tday.comAI

AI that turns your product into on-brand marketing content

Vertical AI agentsAI content generation for product marketingY CombinatorX26Activechecked 2026-08-23
Tenet Industries

Low-cost, mass-producible defense systems

Defense and spacemass-producible attack dronesY CombinatorX26Activechecked 2026-08-23
TesterArmyAI

Test your app with AI, catch bugs before users do

Vertical AI agentsAI testing agent for software developmentY CombinatorX26Activechecked 2026-08-23
The Company CompanyAI

The last agent your company will ever need.

Agent infrastructureAgent orchestration and company infrastructureY CombinatorX26Activechecked 2026-08-23
ThomasAI

The first AI founder: a virtual human who runs his own companies.

Horizontal AI assistantsAI founder agent for businessY CombinatorX26Activechecked 2026-08-23
TolmoAI

Tolmo is the AI security platform that secures every layer of cloud…

Security and complianceAI-driven cloud security agentsY CombinatorX26Activechecked 2026-08-23
Totalis

derivative layer for prediction markets

Fintechprediction market derivativesY CombinatorX26Activechecked 2026-08-23
transloadAI

Measure freight with security cameras

Commerce and marketplacesfreight measurement via computer visionY CombinatorX26Activechecked 2026-08-23
TrellisAI

Agents that run short-term rental operations end-to-end

Vertical AI agentsShort-term rental operations agentsY CombinatorX26Activechecked 2026-08-23
TwolabsAI

Humanoid robot platform for builders.

Robotics and physical worldHumanoid robot training platformY CombinatorX26Activechecked 2026-08-23
Uno Wallet

The AI mobile wallet that replaces Apple Pay

FintechAI-powered mobile payments walletY CombinatorX26Activechecked 2026-08-23
UserlensAI

Agents that renew and expand six and seven-figure enterprise software

Vertical AI agentsAI customer success manager for enterprisesY CombinatorX26Activechecked 2026-08-23
ValCtrlAI

ValCtrl is building the only intelligent prediction market

Fintechintelligent prediction marketsY CombinatorX26Activechecked 2026-08-23
VoquillAI

The agentic OS for medical labs

Vertical AI agentsAI OS for medical labsY CombinatorX26Activechecked 2026-08-23
WalterAI

AI Employee for Manufacturing Operations

Vertical AI agentsAI operations agent for manufacturingY CombinatorX26Activechecked 2026-08-23
WatoAI

The control point for AI agents at work.

Agent infrastructureAI agent orchestration and memoryY CombinatorX26Activechecked 2026-08-23
WealorAI

AI-native platform for wealth managers

Vertical AI agentsAI wealth management platformY CombinatorX26Activechecked 2026-08-23
YouArtAI

Patreon for AI Originals

ConsumerAI creator funding platformY CombinatorX26Activechecked 2026-08-23
ZenbuAI

The extensible IDE for coding agents

Agent infrastructureIDE for orchestrating coding agentsY CombinatorX26Active, new domain2026-08-23
Zibra Labs

Distributed runtime for AI workloads at scale

AI infra and computedistributed compute for AI workloadsY CombinatorX26Activechecked 2026-08-23
ZolvoAI

AI Back-Office Automation for Commercial Lenders

Vertical AI agentsAI back-office automation for commercial lendersY CombinatorX26Activechecked 2026-08-23
/dev/fastAI

/dev/fast is the AI-native code forge

Developer toolsAI-native code generation and reviewY CombinatorW26Activechecked 2026-08-23
10x ScienceAI

The AI-native platform for next-generation protein characterization.

Healthcare and bioAI protein characterization for drug developmentY CombinatorW26Activechecked 2026-08-23
21st

UI building blocks for the agentic internet

Developer toolsReact components for AI agentsY CombinatorW26Activechecked 2026-08-23
AemonAI

The Forward-Deployed AI Research Engineer

Vertical AI agentsautonomous AI research engineerY CombinatorW26Activechecked 2026-08-23
Agentic FabriqAI

The control plane for AI agents.

Agent infrastructureAI agent access control and identityY CombinatorW26Activechecked 2026-08-23
Alt-XAI

Building the best venue for private markets exposure.

FintechAI-powered private markets liquidityY CombinatorW26Activechecked 2026-08-23
Anchorhead

Fractional buyer for hardware companies in critical industries

B2B SaaSFractional procurement for hardware manufacturersY CombinatorW26Inactivechecked 2026-08-17
ApproximaAI

Your software should build itself.

Vertical AI agentsAI agents for software developmentY CombinatorW26Activechecked 2026-08-23
ARC Prize FoundationAI

AI benchmarks that measure general intelligence and inspire new ideas

Data for AIAI benchmarking and evaluationY CombinatorW26Activechecked 2026-08-23
AshrAI

Automated Multi-Modal Testing for Agents

Agent infrastructureAI agent testing and evals platformY CombinatorW26Activechecked 2026-08-23
Asimov

Real-world human movement data for humanoid robots

Robotics and physical worldhumanoid robot training dataY CombinatorW26Activechecked 2026-08-23
Aurorin CADAI

Claude code for Mechanical Engineers

Developer toolsAI-native CAD for mechanical engineersY CombinatorW26Activechecked 2026-08-23
AutoSituAI

AI-native workspace for development plan reviews

Vertical AI agentsAI agents for municipal development reviewY CombinatorW26Activechecked 2026-08-23
Autumn AI

Stalk your prospects at scale.

B2B SaaSSales intelligence and intent signalsY CombinatorW26Active, new domain2026-08-23
AvoiceAI

Harvey for Architecture

Vertical AI agentsAI automation for architecture firmsY CombinatorW26Activechecked 2026-08-23
AxionOrbital SpaceAI

Foundation models for 24/7 Earth Observation

AI infra and computeFoundation models for satellite imageryY CombinatorW26Activechecked 2026-08-23
AxisAI

An AI Copilot for Trading Desks

Vertical AI agentsAI trading assistant for commoditiesY CombinatorW26Activechecked 2026-08-23
BalanceAI

Full-Stack AI Accounting

Vertical AI agentsAI accounting and bookkeeping for SMBsY CombinatorW26Activechecked 2026-08-23
BaseFrameAI

Detect what AI can automate for your team

Horizontal AI assistantsWorkflow automation discovery platformY CombinatorW26Site unreachablechecked 2026-08-17
Beacon HealthAI

AI Employees for Primary Care

Vertical AI agentsAI automation for primary care workflowsY CombinatorW26Activechecked 2026-08-23
BeeSafe AIAI

Frontier AI Defenses for Social Engineering Attacks

Security and complianceAI defense against social engineeringY CombinatorW26Activechecked 2026-08-23
Beyond Reach Labs

Space solar arrays that grow to the size of a football field in orbit

Defense and spaceSpace solar power generationY CombinatorW26Activechecked 2026-08-23
BidflowAI

AI Takeoffs for Electrical

Vertical AI agentsAI bidding for electrical contractorsY CombinatorW26Activechecked 2026-08-23
Booko

Dynamically pricing the whole economy.

B2B SaaSdynamic pricing for bookable servicesY CombinatorW26Activechecked 2026-08-24
Brumby (Formerly GrazeMate)AI

Robot Cowboys that Herd Cattle with AI Drones

Robotics and physical worldautonomous herding drones for livestockY CombinatorW26Active-
Bubble Lab

Operating system for premium professional communities

B2B SaaSCommunity management platform for professionalsY CombinatorW26Activechecked 2026-08-23
BurtAI

AI teammates for logistics

Vertical AI agentsAI agents for freight brokersY CombinatorW26Activechecked 2026-08-24
Button ComputerAI

The tiny computer built for voice AI.

Robotics and physical worldVoice AI wearable hardwareY CombinatorW26Activechecked 2026-08-23
Byteport

Global upload acceleration for 1GB-100TB files.

Agent infrastructureFile transfer acceleration infrastructureY CombinatorW26Activechecked 2026-08-23
CajalAI

Scaling formal verification to accelerate scientific discovery

Vertical AI agentsAI mathematicians for formal verificationY CombinatorW26Activechecked 2026-08-23
CanaryAI

The first AI QA engineer that understands your code

Developer toolsAI-powered QA and testing automationY CombinatorW26Activechecked 2026-08-23
CaptainAI

Accurate, high-performance retrieval for AI agents

Data for AIMultimodal retrieval infrastructure for AI agentsY CombinatorW26Activechecked 2026-08-23
CardboardAI

Agentic video editor

Vertical AI agentsAI video editing for marketing teamsY CombinatorW26Activechecked 2026-08-23
CardinalAI

Revenue Agents for GTM teams

Vertical AI agentsRevenue agents for GTM teamsY CombinatorW26Activechecked 2026-08-23
CarettaAI

Realtime AI for Sales Calls

Horizontal AI assistantsAI sales call assistantY CombinatorW26Activechecked 2026-08-23
Carrot LabsAI

AI Cost Management: Track and attribute AI spend across every provider

AI infra and computeAI spend management and optimizationY CombinatorW26Activechecked 2026-08-23
CascadeAI

Distilling Proprietary Intelligence

AI infra and computeModel fine-tuning and optimizationY CombinatorW26Activechecked 2026-08-17
CatchBack Cards

The most thrilling way to create and rip digital collectible packs

Consumerdigital collectible trading platformY CombinatorW26Activechecked 2026-08-23
CellTypeAI

The agentic drug company. We simulate human biology.

Vertical AI agentsAI agents for drug discoveryY CombinatorW26Activechecked 2026-08-23
ChamberAI

The AIOps Agent for ML Teams

Agent infrastructureAIOps agents for ML infrastructureY CombinatorW26Activechecked 2026-08-23
ChasiAI

AI Revenue Engine for the Equipment Industry

Vertical AI agentsAI sales agents for equipment dealersY CombinatorW26Activechecked 2026-08-23
ClaimGlideAI

AI automated prior-auths for private medical practices

Vertical AI agentsAI prior-authorization automation for practicesY CombinatorW26Activechecked 2026-08-23
CodeWispAI

Anyone can create real games with AI

Developer toolsAI game development platformY CombinatorW26Activechecked 2026-08-24