What they do:
A robotics intelligence system for metal fabrication
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HQ: San Francisco, CA, United States
Top B2B Software Startups in San Francisco
This list has 2,110 startups and was last updated on Oct 15, 2026. 572 of them are hiring right now. Largest teams: Stripe, Deel, and GrubMarket. Latest round: Modal raised $750M (Oct 14, 2026).
2,110 startupsPage 39 of 59
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:
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:
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:
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
What they do:
Always-on AI security engineer
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HQ: San Francisco, CA, United States
What they do:
Analytics stack for omnichannel retailers and brands
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HQ: San Francisco, CA, United States
YC W14Early stage
What they do:
We make Privacy Software for SMBs.
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HQ: San Francisco, CA, United States
What they do:
Marketplace & Software Revolutionizing Yard Care
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HQ: San Francisco, CA, United States
YC W16Early stage
What they do:
We help retailers and restaurant chains manage repairs and…
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HQ: San Francisco, CA, United States
YC S18Early stage
What they do:
Investing in innovation
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HQ: San Francisco, CA, United States
What they do:
Get up and running with large language models.
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HQ: San Francisco, CA, United States
YC W21Growth stage
What they do:
Online University for Tech Professionals
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HQ: San Francisco, CA, United States
What they do:
Easy accounting for e-commerce
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HQ: San Francisco, CA, United States
YC S21Early stage