What they do:
AI-native, hardware procurement marketplace
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HQ: San Francisco, CA, United States
Top B2B Startups
This list has 3,431 startups and was last updated on Oct 15, 2026. 897 of them are hiring right now. Biggest hubs: San Francisco (1,811), New York (387), and London (120). Largest teams: Deel, 99minutos, and GrubMarket. Latest round: Onebrief raised $151M (Oct 14, 2026).
3,431 startupsPage 67 of 96
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:
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:
Caveman cuts what AI agents cost without making them dumber.
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HQ: Amsterdam, Netherlands
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:
Protonet provides the easiest way for a small business to run its own…
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YC W16Early stage
What they do:
Detect Gunshots | Inform Law Enforcement | Empower First Responders
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HQ: New York, NY, United States
YC W16Early stage
What they do:
Analytics to improve how teams work and collaborate
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HQ: Seattle, WA, United States
YC W18Early 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