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Venture - Series Unknown Companies in California

Explore 1,644 venture - series unknown startups based in California, United States. Access verified founder contact information and fundraising data.

Total Companies
1,644
Total Funding
$443.1M
Avg Funding
$17.7M
Industries
13

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Artificial Intelligence (AI)

Armorblox uses deep learning and natural language technologies to protect enterprise communications.

Sep 2022
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Business Development

SpaceIQ is an innovative technology driven software company that provides cloud-based workplace management platform.

Sep 2021
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Analytics
$11.0M
raised

Rhumbix is a construction field data company that digitizes field data and workflows into the cloud via mobile device.

Sep 2021
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$25.0M
raised

Outsmart is reimagining higher education from the ground up for the age of AI.

Sep 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

The customer engagement company for life sciences

Sep 2021
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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$242K
raised

Roam Robotics develops robotic exoskeletons and assistive devices designed to enhance mobility and physical performance.

Sep 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Health Care
$6.9M
raised

SAIL Fusion is a medical device company that develops a novel and patented treatment for sacroiliac joint dysfunction.

Sep 2024
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

$26.1M
raised

Eastern Standard Times is a media platform sharing stories.

Sep 2022
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Salt Security provides an API protection platform designed to prevent attacks by leveraging machine learning and AI.

Sep 2022
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$21.6M
raised

FemtoAI builds ultra-low-power edge AI platform and Sparse Processing Unit (SPU) accelerators to bring efficient AI to everyday devices.

Sep 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Fitness
$5.1M
raised

Reform RX is a connected fitness and Pilates equipment company.

Sep 2024
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Information Technology

Virtualness is a mobile-first platform created to assist brands and creators in navigating the challenging Web3 environment.

Sep 2023
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Advanced Materials
$19.4M
raised

SirenOpt provides manufacturing intelligence solutions for nanoscale materials used in semiconductors, electronics, batteries, and aerospace

Sep 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

API-first Agentic Document Extraction platform built for accuracy, reliability, and governance at scale.

Sep 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Aerospace

Fiber Sense is launching a digital platform for digitising city mobility and activities.

Sep 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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Artificial Intelligence (AI)

Martian is a developer of an AI tool that takes in a prompt intended for a large language model and automatically routes every prompt.

Sep 2024
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Cyber Security
$12.0M
raised

The StrikeReady platform empowers defenders to solve the technology exhaustion, skilled-talent shortage and limited collaboration problems.

Sep 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Information Technology
$18.0M
raised

Mainstay operates a market intelligence and transaction platform to unlock single-family rental opportunities.

Sep 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

$2.0M
raised

Rejuvenation Technologies is a biotechnology company that developed nucleoside-modified TERT mRNA to safely and rapidly extend telomeres.

Sep 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Analytics

Sight Machine provides analytics platform that helps address critical challenges in quality and productivity throughout the enterprise.

Sep 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

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Get verified contact info for decision-makers at 1,644 funded startups

41,000+ verified emails
Unlimited exports
No credit card required
Blockchain

Sonic provides a blockchain platform for measuring and rewarding user attention and engagement.

Sep 2025
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Blockchain
$5.0M
raised

Audius is creating a fully decentralized community of artists, developers, and listeners collaborating to share and defend music.

Sep 2021
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$31.8M
raised

Planted is a solar deployment technology company that uses AI powered robots and software to plan and deploy solar projects.

Sep 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Agentic AI
$200.0M
raised

Factory is an AI research lab that provides software development agents that integrate into existing engineering workflows and tools.

Sep 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$59.0M
raised

Twin Health is a metabolic health platform that offers sensors, AI to reverse, prevent and improve chronic metabolic diseases.

Sep 2026
Venture - Series Unknown

Founder Contacts

41,000+ verified contacts

Showing 51 to 75 of 1,644 companies

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1,644 Recently Funded Venture - Series Unknown Startups in California (October 2026) — Page 3 | VCBacked