What they do:
AI Agent for DevOps Workflow Automation
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HQ: New York, NY, United States
Top B2B Software Startups in the United States
This list has 3,865 startups and was last updated on Oct 15, 2026. 827 of them are hiring right now. Biggest hubs: San Francisco (2,110), New York (555), and Los Angeles (79). Largest teams: Stripe, Deel, and GrubMarket. Latest round: Onebrief raised $151M (Oct 14, 2026).
3,865 startupsPage 47 of 108
What they do:
Security for AI-native developers
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HQ: San Francisco, CA, United States
What they do:
AI agents for private market diligence, monitoring, and reporting
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HQ: San Francisco, CA, United States
What they do:
Describe It. Find It. Act On It.
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HQ: San Francisco, CA, United States
What they do:
AI agents for insurance claims
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HQ: San Francisco, CA, United States
What they do:
Speaking coach for non-native English professionals
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HQ: San Francisco, CA, United States
What they do:
AI media creation platform for creators and developers
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HQ: San Francisco, CA, United States
What they do:
Know what your customers want, because they told you.
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HQ: San Francisco, CA, United States
What they do:
A Unified Editor For AI Video
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HQ: San Francisco, CA, United States
What they do:
Build interactive applications that run anywhere
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HQ: New York, NY, United States
What they do:
Custom video detection models in less than 5 minutes
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HQ: New York, NY, United States
What they do:
AI agent for construction drawings review
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HQ: San Francisco, CA, United States
What they do:
Win local search on ChatGPT & other LLMs
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HQ: San Francisco, CA, United States
What they do:
Effortless AI automation for business operations
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HQ: San Francisco, CA, United States
What they do:
Open source AI copilot that knows your company's code and its context
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HQ: San Francisco, CA, United States
What they do:
Combined checking and investment account
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HQ: New York, NY, United States
What they do:
One living model of your software architecture
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HQ: San Francisco, CA, United States
What they do:
Transform your iMessage conversations into shareable stories
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HQ: San Francisco, CA, United States
What they do:
Open source agentic BI for founders
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HQ: San Francisco, CA, United States
What they do:
Platform for cities to optimize transit
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HQ: New York, NY, United States
What they do:
Providing quick product and design feedback via digital twins
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HQ: San Francisco, CA, United States
What they do:
Making everyone a software engineer
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HQ: San Francisco, CA, United States
What they do:
Converting biology into digital molecular maps
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HQ: Philadelphia, PA, United States
What they do:
ai-native security engineering for mission critical codebases
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HQ: San Francisco, CA, United States
What they do:
New State of the Art for Browser Agents
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HQ: San Francisco, CA, United States
What they do:
Datadog for robots
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HQ: San Francisco, CA, United States
What they do:
API & SDK for RCS (the next-generation of texting)
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HQ: San Francisco, CA, United States
What they do:
Video editor built for AI
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HQ: San Francisco, CA, United States
What they do:
Your email assistant because you deserve a better morning
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HQ: San Francisco, CA, United States
What they do:
Replay real customer journeys against every change before you ship
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HQ: New York, NY, United States
What they do:
The content engine that wins attention and drives growth.
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HQ: San Francisco, CA, United States
What they do:
Simple, LLM-first translation and internationalization for software
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HQ: San Francisco, CA, United States
What they do:
AI-powered settlement for financial securities
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HQ: New York, NY, United States
What they do:
Making procurement easy
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HQ: San Francisco, CA, United States
What they do:
Generate a detailed log of everything you've worked on, automatically.
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HQ: San Francisco, CA, United States
What they do:
The open source Cursor alternative
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HQ: San Francisco, CA, United States