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Series A Companies in Houston

Explore 48 series a startups based in Houston, United States. Access verified founder contact information and fundraising data.

Total Companies
48
Total Funding
$192.8M
Avg Funding
$7.7M
Industries
14

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Advanced Materials
$12.0M
raised

Citroniq is driving the energy shift by developing carbon-negative materials on a large scale.

Sep 2024
Series A

Founder Contacts

30,000+ verified contacts

eSports
$250K
raised

Mainline helps companies, brands, universities, and organizations to manage, monetize, and market their esports programs and events

Sep 2021
Series A

Founder Contacts

30,000+ verified contacts

Information Technology
$20.0M
raised

Kurtosis gives developers the tools to create and manipulate customized development environments.

Aug 2022
Series A

Founder Contacts

30,000+ verified contacts

Elder Care
$7.8M
raised

Kare is a platform that empowers post-acute caregivers to earn extra income and manage their own flexible schedules.

Aug 2021
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$190K
raised

AI-powered technical recruitment platform streamlining hiring through intelligent automation.

Aug 2023
Series A

Founder Contacts

30,000+ verified contacts

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Fitness
$125K
raised

urning every gym machine into an intelligent performance engine.

Jun 2025
Series A

Founder Contacts

30,000+ verified contacts

$190K
raised

AI-powered tech stack recommendations for developers & startups

Jun 2024
Series A

Founder Contacts

30,000+ verified contacts

Biotechnology
$30.0M
raised

Oorja Bio is is a clinical-stage biotechnology company focused on developing therapies.

May 2026
Series A

Founder Contacts

30,000+ verified contacts

Information Technology
$124K
raised

oo

May 2025
Series A

Founder Contacts

30,000+ verified contacts

$1.3M
raised

DrillDocs created, CleanSight, a computer vision system that monitors the drilling rig's shale shaker to reduce drilling costs and risks.

May 2025
Series A

Founder Contacts

30,000+ verified contacts

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Artificial Intelligence (AI)
$145K
raised

Ranku Intelligent Networks simplifies operations through AI and IoT technologies to enhance business growth.

Apr 2025
Series A

Founder Contacts

30,000+ verified contacts

Electronic Health Record (EHR)

Koda Health offers digital healthcare solutions and services that focuses on advance care planning and kidney care.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

Generative AI
$132K
raised

DigItaloRain is an AI-powered IoT platform enabling real-time device monitoring, predictive analytics, and intelligent automation at scale.

Apr 2025
Series A

Founder Contacts

30,000+ verified contacts

Manufacturing
$25.0M
raised

Ayr Energy designs, engineers, manufactures, and supplies power transformers, distribution transformers, switchgear, and circuit breakers.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

Advanced Materials
$29.4M
raised

NanoTech Materials is a material science company that focuses on using Nano Technology to fireproof and reduce global energy consumption.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

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Artificial Intelligence (AI)
$520K
raised

eCommerce Arena offers premium services to help you start your journey in the $5.2 trillion eCommerce industry.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$9.4M
raised

Rugged Robotics is a construction technology company that develops robotic intelligent automation for construction industry.

Mar 2022
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$150K
raised

Weblify AI is a AI Website Builder, SaaS, SEO Optimization, and Smart Content Generator.

Feb 2025
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$142K
raised

TechRate Empowering Smarter Enterprises with AI-Powered IoT Solutions

Feb 2024
Series A

Founder Contacts

30,000+ verified contacts

Health Care
$13.0M
raised

BrainCheck is a digital platform for cognitive assessment and care that evaluates brain health across clinical and non-clinical settings.

Feb 2026
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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IT Infrastructure
$110K
raised

Making Industries Think Smarter.

Feb 2025
Series A

Founder Contacts

30,000+ verified contacts

Geothermal Energy
$13.6M
raised

ignis H2 Energy is a Geothermal exploration and development company that mainly provides sustainable green energy.

Feb 2025
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$190K
raised

Digital Strategists empowers businesses with transformative digital solutions by integrating AI, ML, AR and VR technologies.

Feb 2023
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$14.0M
raised

Aurelian is an AI platform designed to automate routes, triage, and resolve non-emergency police calls.

Aug 2025
Series A

Founder Contacts

30,000+ verified contacts

Health Care
$15.0M
raised

Spark Biomedical, Inc. is a medical device company developing non-invasive neurostimulation solutions for opioid withdrawal and addiction.

Apr 2025
Series A

Founder Contacts

30,000+ verified contacts

Showing 1 to 25 of 48 companies

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