# Top 50 Oil and Gas Startup Investors in United States in June 2026

| Investor | Relevant Deals | Geography | Stage | Focus |
| --- | --- | --- | --- | --- |
| Houston Angel Network | 8 | United States, Canada, France | Seed, Series A | Health Care, Software, Medical |
| Evok Innovations | 7 | Canada, United States, Israel | Series A, Seed, Series B | Energy, Chemical, Oil and Gas |
| Rev1 Ventures | 6 | United States, Germany | Seed, Series A | Software, Health Care, Information Technology |
| Cottonwood Technology Fund | 5 | United States, The Netherlands, Germany | Series A, Series B, Seed | Manufacturing, Health Care, Biotechnology |
| RockPort Capital | 5 | United States, Canada, Norway | Series C, Series B, Series A | Energy, Manufacturing, Software |
| Altira Group | 4 | United States, Canada, Sweden | Series A, Series B | Software, Energy, Renewable Energy |
| Chevron Technology Ventures | 4 | United States, United Kingdom, Canada | Series A, Series B | Energy, Software, Manufacturing |
| Prelude Ventures | 4 | United States, Canada | Series A, Series B, Series C | Software, Energy, Renewable Energy |
| Founders Fund | 4 | United States, United Kingdom, Germany | Series A, Seed, Series B | Software, Health Care, Information Technology |
| Element Partners | 4 | United States, China, Norway | Series A, Series B | Energy, Manufacturing, Renewable Energy |
| Trilantic North America | 3 | United States, Canada | Private Equity, Seed | Energy, Oil and Gas, Manufacturing |
| Asymmetry Ventures | 3 | United States, India, United Kingdom | Seed, Series A, Pre-Seed | Software, Health Care, Biotechnology |
| Mercury | 3 | United States, India, United Kingdom | Series A, Seed, Series B | Software, SaaS, Health Care |
| Equinor Technology Ventures | 3 | United States, Norway, Canada | Series B, Series A | Oil and Gas, Energy, Software |
| TEDCO | 3 | United States, Canada, United Kingdom | Seed, Grant, Pre-Seed | Health Care, Software, Biotechnology |
| Prototype Capital | 3 | United States, Canada, Mexico | Seed, Pre-Seed | Robotics, Artificial Intelligence, Health Care |
| Javelin Venture Partners | 3 | United States, Canada, India | Series A, Seed, Series B | Software, E-Commerce, Enterprise Software |
| Chrysalix Venture Capital | 3 | United States, Canada, The Netherlands | Series B, Series A | Energy, Manufacturing, CleanTech |
| Energy Impact Partners | 3 | United States, Canada, United Kingdom | Series A, Series B, Series C | Software, Energy, Renewable Energy |
| Missouri Technology Corporation | 3 | United States | Seed, Grant | Health Care, Biotechnology, Software |
| Engine Ventures | 3 | United States, Denmark | Seed, Series A | Biotechnology, Manufacturing, Medical |
| Breakthrough Energy Ventures | 3 | United States, Canada, France | Series A, Series B | Energy, Renewable Energy, Manufacturing |
| EnCap Flatrock Midstream | 3 | United States | Private Equity, Angel, Post-IPO Equity | Energy, Oil and Gas, Logistics |
| Good Growth Capital | 3 | United States, France, Israel | Seed, Series A, Convertible Note | Health Care, Biotechnology, Software |
| Sun Mountain Capital | 3 | United States | Series A, Series B, Series C | Medical, Health Care, Biotechnology |
| MassVentures | 3 | United States, Spain, United Kingdom | Grant, Seed, Series A | Health Care, Software, Manufacturing |
| Cofounders Capital | 3 | United States | Seed, Series A | Software, SaaS, Information Technology |
| North Bridge Venture Partners & Growth Equity | 3 | United States, Canada, Israel | Series B, Series C | Software, Enterprise Software, SaaS |
| Breakout Ventures | 3 | United States | Seed, Series B, Series A | Biotechnology, Life Science, Therapeutics |
| Shell Ventures | 2 | United States, United Kingdom, India | Series A, Series B | Energy, Renewable Energy, Software |
| Streamlined | 2 | United States, Mexico, Colombia | Seed, Series A | Software, Artificial Intelligence, Information Technology |
| Conversion Capital | 2 | United States, United Kingdom | Seed, Series A, Series B | Software, FinTech, Financial Services |
| SaaS Ventures | 2 | United States, Canada, Israel | Seed, Series A, Pre-Seed | Software, SaaS, Information Technology |
| Madrona | 2 | United States, Canada, Spain | Series A, Series B, Seed | Software, Artificial Intelligence, SaaS |
| VentureWell | 2 | United States | Seed, Grant | Health Care, Manufacturing, Information Technology |
| SeedInvest | 2 | United States, Israel, France | Seed, Series A, Equity Crowdfunding | Software, E-Commerce, Health Care |
| Breakout Capital | 2 | United States, Canada | Series A, Seed, Series E | E-Commerce, Insurance, Chemical |
| Lionheart Ventures | 2 | United States, United Kingdom, Singapore | Seed, Series A | Health Care, Biotechnology, Wellness |
| Rough Draft Ventures | 2 | United States, Canada | Seed, Pre-Seed | Software, Health Care, Artificial Intelligence |
| Monsanto Growth Ventures (MGV) | 2 | United States, Brazil, Canada | Series A, Seed, Series B | Agriculture, Biotechnology, AgTech |
| Wisconsin Investment Partners | 2 | United States, Canada, United Kingdom | Seed, Series A | Health Care, Biotechnology, Medical |
| Williams | 2 | United States, Canada | Series A | Oil and Gas, Laser, Internet |
| Austin Ventures | 2 | United States, China, Japan | Series B, Series A, Series C | Software, Enterprise Software, Internet |
| Worthington Industries | 2 | United States | Seed | Energy, Oil and Gas, Transportation |
| Nat Friedman | 2 | United States, United Kingdom, India | Seed, Series A, Series B | Software, Artificial Intelligence, Information Technology |
| St. Louis Arch Angels | 2 | United States, Argentina | Seed, Series A | Biotechnology, Health Care, Medical Device |
| Fulcrum Global Capital | 2 | United States, Canada, Ireland | Series A, Series B | Biotechnology, Agriculture, AgTech |
| Catamount Ventures | 2 | United States, New Zealand, United Kingdom | Series A, Series B, Series C | Software, Manufacturing, Education |
| Eni Next | 2 | United States, Italy, United Kingdom | Series A, Series B | Energy, Environmental Engineering, Renewable Energy |
| AAF Management Ltd. | 2 | United States, India, Canada | Seed, Series A | Software, FinTech, Financial Services |

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