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Series B Companies in California

Explore 891 series b startups based in California, United States. Access verified founder contact information and fundraising data.

Total Companies
891
Total Funding
$1.0B
Avg Funding
$41.2M
Industries
20

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Agentic AI
$125.0M
raised

Exaforce is a cybersecurity company that develops an agentic security operations and modern SIEM platform for enterprise environments.

May 2026
Series B

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Vapi is a voice AI platform that allows developers to build, test and deploy voice agents for phone calls and customer support.

May 2026
Series B

Founder Contacts

41,000+ verified contacts

Agentic AI
$25.0M
raised

Tidio offers an AI-powered customer service management platform.

May 2022
Series B

Founder Contacts

41,000+ verified contacts

Apps

Miles is a startup that offers rewards for traveling, regardless of the mode of transportation.

May 2022
Series B

Founder Contacts

41,000+ verified contacts

Biotechnology

Mango Materials produces biodegradable polymers from waste biogas that are economically competitive with conventional, oil-based plastics.

May 2022
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Aerospace
$275.0M
raised

Cowboy Space is a space technology company developing solar-powered orbital data centers for AI computing infrastructure.

May 2026
Series B

Founder Contacts

41,000+ verified contacts

Infrastructure
$18.0M
raised

Sharper Shape provides innovative solutions for infrastructure asset owners.

May 2022
Series B

Founder Contacts

41,000+ verified contacts

Agriculture
$5.0M
raised

Full Harvest is a B2B marketplace for ugly and surplus produce that helps reduce food waste.

May 2022
Series B

Founder Contacts

41,000+ verified contacts

Financial Services

LoanSnap is on a mission to improve every American's finances

May 2023
Series B

Founder Contacts

41,000+ verified contacts

Health Care

Osmind is the premier technology platform for breakthough mental health treatment and research.

May 2022
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Construction
$45.0M
raised

Dusty Robotics develops robot-powered tools for the modern construction workforce.

May 2022
Series B

Founder Contacts

41,000+ verified contacts

Business Process Automation (BPA)

Luminai automates workflows by taking any multi-click process and making it one click.

Apr 2026
Series B

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$40.5M
raised

Patlytics provides AI-driven patent intelligence solutions to enhance research and efficiency.

Apr 2026
Series B

Founder Contacts

41,000+ verified contacts

$137.0M
raised

Sidewinder Therapeutics is a biotechnology company that offers life-saving therapies for cancer and rare diseases.

Apr 2026
Series B

Founder Contacts

41,000+ verified contacts

Cyber Security

SlashNext is a computer and network security company that specializes in cybersecurity, cyber-attack detection, and IT solutions.

Apr 2023
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Analytics
$31.0M
raised

Unified Data Engineering and Analytics Engineering with the Data Automation Cloud

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

$70.0M
raised

Lightning Labs is building the next generation of decentralized, resilient financial infrastructure on top of the bitcoin blockchain.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

Fertility
$25.0M
raised

Future Family provides women and couples with personal and affordable fertility care.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

3D Printing

Launcher is developing the world’s most efficient rocket to deliver small satellites to orbit.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

Coreshell Technologies is a nanotechnology company that is a developer of nanolayer coating technology for rechargeable batteries.

Apr 2026
Series B

Founder Contacts

41,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 891 funded startups

41,000+ verified emails
Unlimited exports
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Aerospace
$82.0M
raised

Firestorm develops modular, mission-adaptable unmanned aerial systems (UAS) designed for military applications.

Apr 2026
Series B

Founder Contacts

41,000+ verified contacts

Industrial Engineering

MEMS Drive is committed to provide superior imaging solutions to mobile devices.

Apr 2024
Series B

Founder Contacts

41,000+ verified contacts

Routable is a payout orchestration platform that enables companies to automate, manage, and scale payouts globally.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$100.0M
raised

Parallel develops a suite of agents and tool APIs for building AI that accesses and utilizes the open web.

Apr 2026
Series B

Founder Contacts

41,000+ verified contacts

Manufacturing
$52.5M
raised

Nervonik is a medical device company developing an opioid-free peripheral nerve stimulation (PNS) system.

Apr 2026
Series B

Founder Contacts

41,000+ verified contacts

Showing 251 to 275 of 891 companies

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