What they do:
Infrastructure Cartography
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HQ: Boston, MA, United States
Top B2B Software Startups
This list has 4,938 startups and was last updated on Oct 15, 2026. 1,026 of them are hiring right now. Biggest hubs: San Francisco (2,110), New York (555), and London (147). Largest teams: Stripe, Deel, and 99minutos. Latest round: Onebrief raised $151M (Oct 14, 2026).
Survival statistics →4,003 open roles →
4,938 startupsPage 78 of 138
What they do:
ChatGPT's memory feature in an open, portable format
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HQ: San Francisco, CA, United States
What they do:
The tiny computer built for voice AI.
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HQ: San Francisco, CA, United States
What they do:
Make your product AI native by tomorrow.
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HQ: San Francisco, CA, United States
What they do:
A robotics intelligence system for metal fabrication
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HQ: San Francisco, CA, United States
What they do:
Interpretability and reasoning infra for foundation models.
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HQ: San Francisco, CA, United States
What they do:
Research lab solving non-verifiable work
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HQ: San Francisco, CA, United States
What they do:
AI-native, hardware procurement marketplace
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HQ: San Francisco, CA, United States
What they do:
We automate the inventory process in insurance
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HQ: San Francisco, CA, United States
What they do:
Evals for frontier research agents
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HQ: San Francisco, CA, United States
What they do:
Reasoning and verification infra for AI
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HQ: New York, NY, United States
What they do:
AI Data Analyst for fast-growing teams
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HQ: San Francisco, CA, United States
What they do:
Everything your team ships, explained to everyone it affects.
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HQ: San Francisco, CA, United States
What they do:
The browser for agentic development
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HQ: San Francisco, CA, United States
What they do:
The operating system for tech startups.
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HQ: San Francisco, CA, United States
What they do:
AI agent that manages manufacturing operations over text
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HQ: San Francisco, CA, United States
What they do:
Ship software faster with portable, self contained virtual machines.
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HQ: San Francisco, CA, United States
What they do:
The control plane for agent-native work.
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HQ: San Francisco, CA, United States
What they do:
The Authorization Layer for AI Agents
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HQ: San Francisco, CA, United States
What they do:
The Git forge for the next hundred billion commits
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HQ: San Francisco, CA, United States
What they do:
AI-native sales agents that run marketplaces
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HQ: San Francisco, CA, United States
What they do:
High performance coding agents
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HQ: San Francisco, CA, United States
What they do:
The AI gateway for cheaper, faster, permissioned agents.
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HQ: San Francisco, CA, United States
What they do:
AWS for Agents
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HQ: San Francisco, CA, United States
What they do:
On-device Knowledge Graph engine for Enterprise Software
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HQ: San Francisco, CA, United States
What they do:
Managed Agents API
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HQ: San Francisco, CA, United States
What they do:
Connect your agents to the stock market
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HQ: New York, NY, United States
What they do:
The open source tool gateway
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HQ: San Francisco, CA, United States
What they do:
AI that finds and fixes OS-level vulnerabilities across device fleets
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HQ: San Francisco, CA, United States
What they do:
Combining open-source AI models for better answers at lower cost
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HQ: San Francisco, CA, United States
What they do:
Monetize your agent's traces.
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HQ: San Francisco, CA, United States
What they do:
building the open agent runtime
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HQ: Ankara, Turkey
What they do:
Open-model inference provider for Europe, private by default.
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What they do:
An agentic phone that does your busywork
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HQ: Germany
What they do:
Catch wrong LLM answers before your customers do
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HQ: San Francisco, CA, United States
What they do:
Android for drones
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HQ: San Francisco, CA, United States