TX · South
Houston venture capital & startups
Houston energy, space, and B2B software — Fervo, Axiom, Solugen, Intuitive Machines, Cart.com, HighRadius, Mercury Fund, ETV, HAN.
Houston’s map spans public geothermal (Fervo / FRVO), commercial space (Axiom, Intuitive Machines / LUNR), climate manufacturing (Solugen), and enterprise software (Cart.com, HighRadius), with Mercury Fund, Energy Transition Ventures, and Houston Angel Network as local capital.
Aliases: houston, the woodlands, sugar land. Curate startups only with clear Houston public HQ or dual-city evidence. Austin-only companies stay on /vc/austin.
Venture firms in Houston
Matched from fund headquarters in our directory (alias-based). Dual-HQ firms may appear in more than one city.
| Firm | HQ (directory) | Leads |
|---|---|---|
| Mercury Fund | Houston, TX | Seed, Series A |
| Energy Transition Ventures | Houston, TX | Seed, Series A |
| Houston Angel Network | Houston, TX | Seed |
| Energy Impact Partners | New York, NY | Series A, Series B+ |
| Founders Fund | New York, NY | Series A, Series B+ |
| 8VC | Austin, TX | Seed, Series A |
| Andreessen Horowitz | Menlo Park, CA | Series A, Series B+ |
| Lux Capital | 888 7th Ave, New York, NY 10106 | Seed, Series A |
| Tiger Global Management | New York, NY | Series B+ |
Startups we cover in Houston
Matched from startup hq fields. Many profiles still lack HQ — curated lists
in editorial notes fill gaps when verified.
| Startup | One-liner | HQ |
|---|---|---|
| Fervo Energy | Next-generation enhanced geothermal systems delivering 24/7 carbon-free electricity. | Houston, TX |
| Axiom Space | Commercial human spaceflight, NASA spacesuits, and Axiom Station — commercial successor path to the ISS. | Houston, TX |
| Solugen | Chemi-enzymatic Bioforge platform making low-carbon chemicals from plant sugars instead of petroleum. | Houston, TX |
| Intuitive Machines | Lunar delivery, data, and infrastructure services — Nova-C landers and cislunar commerce platforms. | Houston, TX |
| Cart.com | Unified commerce and logistics platform — e-commerce software plus nationwide fulfillment network. | Houston, TX |
| HighRadius | AI-powered autonomous finance platform for order-to-cash, treasury, and record-to-report. | Houston, TX |
Coverage gaps
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Additional Med Center digital health
Texas Medical Center density still expandable beyond current curated set
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Broader upstream oilfield software
Classic Houston thesis; expand when verified HQ rows land
Related reading
Houston FAQs
Practical answers for founders researching this investor.