Rivet
Hiring
What they do:
Rivet Actors are the primitive for stateful workloads
Quick facts:
HQ: San Francisco, CA, United States
Top B2B Software Startups in California
This list has 2,349 startups and was last updated on Oct 15, 2026. 592 of them are hiring right now. Biggest hubs: San Francisco (2,110), Los Angeles (79), and San Diego (12). Largest teams: Stripe, Deel, and GrubMarket. Latest round: Modal raised $750M (Oct 14, 2026).
2,349 startupsPage 16 of 66
What they do:
Pierre is a new, opinionated, git platform.
Quick facts:
HQ: San Francisco, CA, United States
What they do:
Open-source Retool for enterprise
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HQ: San Francisco, CA, United States
What they do:
AI that audits AI — catching hallucinations before you ship them.
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HQ: San Francisco, CA, United States
Proof of Human
Hiring
What they do:
continuous human verification without CAPTCHAs or user friction
Quick facts:
HQ: San Francisco, CA, United States
Cargo
Hiring
What they do:
Build your GTM workforce
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HQ: San Francisco, CA, United States
Poka Labs
Hiring
What they do:
Helping industrial manufacturers win deals fast, at the right price.
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HQ: San Francisco, CA, United States
What they do:
Constellations as a Service
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HQ: San Francisco, CA, United States
atopile
Hiring
What they do:
We make tools to design electronics circuit boards with code
Quick facts:
HQ: San Francisco, CA, United States
Meticulate
Hiring
What they do:
Making it easy for B2B sales teams to send stellar outbound
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HQ: San Francisco, CA, United States
Monumint
Hiring
What they do:
Conversational AI purpose-built for financial services
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HQ: San Francisco, CA, United States
Carma
Hiring
What they do:
The AI Operating System For Modern Fleets.
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HQ: San Francisco, CA, United States
Shiboleth
Hiring
What they do:
Shiboleth automates lending compliance for financial institutions…
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HQ: San Francisco, CA, United States
Andy AI
Hiring
What they do:
Faster clinical documentation for home health nurses
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HQ: San Francisco, CA, United States
BetterBasket
Hiring
What they do:
Smart grocery pricing with AI
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HQ: San Francisco, CA, United States
Variant
Hiring
What they do:
Creative intelligence
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HQ: San Francisco, CA, United States
Gauge
Hiring
What they do:
Gauge helps you get recommended and implemented by AI.
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HQ: San Francisco, CA, United States
Anara
Hiring
What they do:
AI for researchers
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HQ: San Francisco, CA, United States
Draft The Record
Hiring
What they do:
AI For Litigation
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HQ: San Francisco, CA, United States
What they do:
Inference for real-time voice and chat
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HQ: San Francisco, CA, United States
What they do:
Enter your domain & Origami gets you customers.
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HQ: San Francisco, CA, United States
Flowtel
Hiring
What they do:
The AI Voice agents for hotels
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HQ: San Francisco, CA, United States
Promptless
Hiring
What they do:
An AI teammate that automatically updates your customer-facing docs
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HQ: San Francisco, CA, United States
Eloquent AI
Hiring
What they do:
The AI Operator for Financial Services
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HQ: San Francisco, CA, United States
Adentris
Hiring
What they do:
Real-time AI Compliance & Revenue Integrity for Medical Providers
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HQ: San Francisco, CA, United States
Lumari
Hiring
What they do:
AI Digital Workers for Supply Chain
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HQ: San Francisco, CA, United States
Halluminate
Hiring
What they do:
Data and RL environments to automate knowledge work
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HQ: San Francisco, CA, United States
Tesora
Hiring
What they do:
Frontier AI for Actuaries
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HQ: San Francisco, CA, United States
Socratix AI
Hiring
What they do:
AI coworkers for fraud and compliance teams.
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HQ: San Francisco, CA, United States
Avent
Hiring
What they do:
AI agents for industrial commerce
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HQ: San Francisco, CA, United States
What they do:
AI Agents for Hardware Engineering
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HQ: San Francisco, CA, United States
Imagine AI
Hiring
What they do:
We reverse engineer B2B growth, starting with LinkedIn.
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HQ: San Francisco, CA, United States
What they do:
The production canvas for AI film teams
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HQ: Los Angeles, CA, United States
Jarmin
Hiring
What they do:
AI Employees for human-level roles
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HQ: San Francisco, CA, United States
Antigen
Hiring
What they do:
Continuous offensive security for the enterprise.
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HQ: San Francisco, CA, United States
Moss
Hiring
What they do:
Real-time semantic search for Conversational AI
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HQ: San Francisco, CA, United States