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

## Houston Angel Network
- Type: VC Fund
- Location: Houston, Texas, United States
- Relevant deals: 8
- Stages: Seed, Series A
- Focus: Health Care, Software, Information Technology

The Houston Angel Network (HAN) is a nonprofit organization dedicated to developing the innovation ecosystem in Houston, Texas by supporting founders and startups with financial resources and mentorship.

## Prelude Ventures
- Type: VC Fund
- Location: San Francisco, California, United States
- Relevant deals: 6
- Stages: Series A, Series B, Series C
- Focus: Software, Energy, Manufacturing

Prelude Ventures invests in and supports early-stage startups with the greatest potential to mitigate climate change. For us, climate is everything.

## Rev1 Ventures
- Type: VC Fund
- Location: Columbus, Ohio, United States
- Relevant deals: 5
- Stages: Seed, Series A
- Focus: Software, Health Care, Information Technology

Rev1 Ventures provides seed stage venture capital funding in Columbus, Ohio along with startup services, space, mentoring, and connections. Learn more!

## Cottonwood Technology Fund
- Type: VC Fund
- Location: Santa Fe, New Mexico, United States
- Relevant deals: 5
- Stages: Series A, Series B, Seed
- Focus: Manufacturing, Biotechnology, Health Care

Cottonwood Technology Fund is an early-stage venture capital fund that primarily invests in technology-driven companies.

## Cultivation Capital
- Type: VC Fund
- Location: St Louis, Missouri, United States
- Relevant deals: 4
- Stages: Series A, Seed
- Focus: Software, SaaS, Health Care

Cultivation Capital invests in young companies whose ideas have potential to transform the way we live and work.

## Evok Innovations
- Type: VC Fund
- Location: Vancouver, British Columbia, Canada
- Relevant deals: 4
- Stages: Series A, Seed, Series B
- Focus: Software, Oil and Gas, Information Technology

Founded in 2016, Evok Innovations is a fund that focuses on early-stage companies in the areas of Clean Energy, CleanTech, ClimateTech and CarbonTech.

## Founders Fund
- Type: VC Fund
- Location: San Francisco, California, United States
- Relevant deals: 4
- Stages: Series A, Seed, Series B
- Focus: Software, Health Care, Internet

Founders Fund is a San Francisco based venture capital firm investing in companies building revolutionary technologies.

## RockPort Capital
- Type: VC Fund
- Location: Boston, Massachusetts, United States
- Relevant deals: 4
- Stages: Series C, Series B, Series A
- Focus: Energy, Manufacturing, Software

RockPort Capital is a multi-stage venture capital firm that invests in the areas of alternative and traditional energy, mobility, and sustainability. For more than a decade RockPort has partnered with entrepreneurs to foster growth and create value in a broad range of industrial and consumer facing companies whose technologies and products provideinnovative solutions to significant worldwide markets. RockPort has a collaborative approach to investing, deep domain expertise, and insights into all aspects of energy and cleantech. With offices in Boston and Menlo Park, RockPort is globally recognized as being among the largest and most established energy-focused venture capital firms.

## Equinor Technology Ventures
- Type: VC Fund
- Location: Stavanger, Rogaland, Norway
- Relevant deals: 3
- Stages: Series B, Series A
- Focus: Oil and Gas, Energy, Software

Equinor is an energy company that is engaged in the exploration, development, and production of oil and gas, as well as wind and solar power. It also sells crude oil and is a major supplier of natural gas, with activities in processing, refining, and trading. Its activities are managed through eight business areas, staff and support divisions, andhas operations in North and South America, Africa, Asia, Europe and Oceania, and Norway.

## Good Growth Capital
- Type: VC Fund
- Location: Charleston, South Carolina, United States
- Relevant deals: 3
- Stages: Seed, Convertible Note, Series A
- Focus: Health Care, Information Technology, Software

Good Growth Capital specializes in finding, cultivating, and assessing complex science and deep-tech start-ups. GGC invests in seed-stage and Series A deals through the General Fund family and in pre-seed and seed-stage companies through the Infinite Corridor Fund, which primarily targets MIT-affiliated and transformative science start-ups. GGC ismajority women- and minority-owned and is uniquely positioned geographically in both the Southeast and New England.

## EnCap Flatrock Midstream
- Type: VC Fund
- Location: San Antonio, Texas, United States
- Relevant deals: 3
- Stages: Private Equity, Angel, Post-IPO Equity
- Focus: Energy, Oil and Gas, Logistics

EnCap Flatrock Midstream is a venture capital firm with a singular focus: identifying, investing in and enhancing the value of great businesses and attractive assets in the midstream sector of North America's oil and gas industry. Founded in 2008 by Flatrock Energy Advisors and EnCap Investments L.P., the firm is guided by a disciplined andpersistent approach to value creation through the rigorous application of intellectual and financial capital. The firm manages the EnCap Flatrock Midstream Funds I, II and III, which together have approximately $5.6 billion in institutional capital commitments from a broad range of prestigious institutional investors. EnCap Flatrock has more than $6.5 billion in total assets under management.

## Asymmetry Ventures
- Type: VC Fund
- Location: San Francisco, California, United States
- Relevant deals: 3
- Stages: Seed, Pre-Seed, Series A
- Focus: Software, Health Care, Biotechnology

Asymmetry Ventures invests in scalable early-stage companies with exceptional defensibility.

## Sun Mountain Capital
- Type: VC Fund
- Location: Santa Fe, New Mexico, United States
- Relevant deals: 3
- Stages: Series A, Series B, Series C
- Focus: Medical, Health Care, Manufacturing

Sun Mountain Capital is an asset management firm specializing in venture capital and private credit through direct and multi-manager investments.

## Second Avenue Partners
- Type: VC Fund
- Location: Seattle, Washington, United States
- Relevant deals: 3
- Stages: Series A, Series B, Series C
- Focus: E-Commerce, Software, SaaS

Second Avenue Partners provide management, strategy and capital for early stage companies. The following companies are in their portfolio...
-Rubicon Interactive
-Sports Technologies Inc.
-Ice Energy
-Newsvine
-Azaleos
-You Software
-Revenue Science
-Insitu Group
-Bocada
-HouseValues.com
-WaveMarket
-Terabeam
-Essention

## Missouri Technology Corporation
- Type: VC Fund
- Location: Jefferson City, Missouri, United States
- Relevant deals: 3
- Stages: Seed, Grant
- Focus: Health Care, Biotechnology, Software

Missouri Technology Corporation is an American venture capital firm that promotes entrepreneurship and the growth of high-tech companies. Promoting entrepreneurship and fostering the growth of emerging, high-tech companies in Missouri

## Cofounders Capital
- Type: VC Fund
- Location: Cary, North Carolina, United States
- Relevant deals: 3
- Stages: Seed, Series A
- Focus: Software, SaaS, Information Technology

Cofounders Capital is an early stage seed fund focused on B2B software companies in the Southeast, with a particular focus on North Carolina. Created in 2015, Cofounders partners with entrepreneurs to help them vet their idea and bring their solutions to market. The most promising of these ventures are then funded through Cofounders Capital’s seedfund, one of the largest and most active seed funds in the Southeast. Cofounders Capital is managed by successful entrepreneurs David Gardner, Tim McLoughlin, and Tobi Walter with a team of over a hundred advisors and volunteer mentors who are all investors in the fund, eager to support entrepreneurship in North Carolina, and to help their portfolio companies and entrepreneurs succeed.

## St. Louis Arch Angels
- Type: VC Fund
- Location: St Louis, Missouri, United States
- Relevant deals: 3
- Stages: Seed, Series A
- Focus: Biotechnology, Health Care, Software

The St. Louis Arch Angels is a network of accredited investors who fund early-stage businesses across the St. Louis region.

## North Bridge Venture Partners & Growth Equity
- Type: VC Fund
- Location: Wellesley, Massachusetts, United States
- Relevant deals: 3
- Stages: Series B, Series C
- Focus: Software, Enterprise Software, SaaS

North Bridge provides seed-to-growth stage funding for businesses in several sectors such as software, communications and infrastructure, digital media, healthcare, and material production.North Bridge Venture Partners invests in exceptional people whose ideas have the potential to disrupt the way they live and work. They provide seed-to-growthfinancing to help transform those ideas into companies and those companies into market leaders.

## Javelin Venture Partners
- Type: VC Fund
- Location: San Francisco, California, United States
- Relevant deals: 3
- Stages: Series A, Seed, Series B
- Focus: Software, E-Commerce, Internet

Javelin Venture Partners invests in early-stage tech companies with incredible potential, managed by teams of energetic, trustworthy, and capable leaders. Javelin looks for advanced bleeding-edge innovations, where the addressable market size is substantial, and strong competitive advantages exist. A typical investment is between $1 to $6million, with reserves for follow-on investments. In addition, Javelin also considers smaller seed investments for unique companies just getting started. Located in downtown San Francisco, while invests throughout the world. Javelin is a very active investor with a long-term outlook and the objective of creating substantial value.

## Chrysalix Venture Capital
- Type: VC Fund
- Location: Vancouver, British Columbia, Canada
- Relevant deals: 3
- Stages: Series B, Series A
- Focus: Energy, Manufacturing, CleanTech

Leading global venture capital fund that invests in resource intensive industries across North America and Europe.

## Alliance of Angels
- Type: VC Fund
- Location: Seattle, Washington, United States
- Relevant deals: 3
- Stages: Seed, Series A
- Focus: Software, Health Care, Mobile

Largest and most active angel group in the Pacific Northwest

## Mercury
- Type: VC Fund
- Location: Houston, Texas, United States
- Relevant deals: 3
- Stages: Series A, Seed, Series B
- Focus: Software, SaaS, Biotechnology

With over $500 million under management and $8 billion of value creation since inception, Mercury focuses on entrepreneurs and startups across Middle America. Our investment themes target SaaS, cloud, and data platforms enabling the digital transformation of markets, industries, and customer relationships.

## Delta Partners
- Type: VC Fund
- Location: Leopardstown, Dublin, Ireland
- Relevant deals: 2
- Stages: Seed, Series A
- Focus: Software, Information Technology, Health Care

Early stage VC investments and funding for start-ups / founders in Ireland.

## Energy Innovation Capital
- Type: VC Fund
- Location: San Francisco, California, United States
- Relevant deals: 2
- Stages: Series B, Series A
- Focus: Energy, Manufacturing, Oil and Gas

Energy Innovation Capital is the premier capital provider for innovators serving the energy industry. EIC provides early and growth-stage funding for visionary entrepreneurs tackling global energy challenges with transformative, market-leading solutions. EIC's team leverages its industry expertise, networks and collaborative approach to helptalented entrepreneurs push the boundaries of what's possible and build great companies. To learn more, visit www.energyinnovationcapital.com.

## Kemal Farid
- Type: Angel
- Location: Houston, Texas, United States
- Relevant deals: 2
- Stages: Seed, Series A, Series B
- Focus: Oil and Gas, DIY, Software

Kemal Farid is the General Partner of L37. He Previously worked at Merrick Systems as a Founder, CEO, Board of Directors Member. Kemal Farid attended Massachusetts Institute of Technology.

## ATP Fund
- Type: VC Fund
- Location: Austin, Texas, United States
- Relevant deals: 2
- Stages: Seed
- Focus: Analytics, Real Time, 3D Printing

ATP Fund is an early-stage deep tech venture fund

## SeedInvest
- Type: VC Fund
- Location: New York, New York, United States
- Relevant deals: 2
- Stages: Seed, Series A, Equity Crowdfunding
- Focus: Software, E-Commerce, Health Care

SeedInvest is a leading equity crowdfunding platform for growth-obsessed startups. Because everyone should be able to invest in the next big thing.

## Allied Minds
- Type: VC Fund
- Location: Boston, Massachusetts, United States
- Relevant deals: 2
- Stages: Series A, Seed, Series B
- Focus: Software, Wireless, Aerospace

Allied Minds (LSE: ALM) is an early stage investor in technology and life sciences companies underpinned by US scientific innovation.

## Madrona
- Type: VC Fund
- Location: Seattle, Washington, United States
- Relevant deals: 2
- Stages: Series A, Series B, Seed
- Focus: Software, SaaS, Artificial Intelligence

A venture capital firm that teams with technology entrepreneurs to nurture ideas from startup to market success.

## Claremont Creek Ventures
- Type: VC Fund
- Location: Oakland, California, United States
- Relevant deals: 2
- Stages: Series A, Series B, Series C
- Focus: Biotechnology, Software, Health Care

Claremont Creek Ventures (CCV) is a seed and early stage venture firm. CCV invests in companies that serve essential, broad-impact industries with innovative digital solutions that increase efficiency or create entirely new high-growth, high-margin businesses. As part of CCV’s investment strategy, the firm practices “life cycle venturing”:establishing in-depth, active relationships with entrepreneurs alongside or even ahead of early-stage funding events. Claremont Creek Ventures has invested in over 40 companies including Clean Power Finance, EcoATM, and Natera and manages more than $300 million across two funds. Visit www.claremontcreek.com.

## Eni Next
- Type: VC Fund
- Location: Rome, Lazio, Italy
- Relevant deals: 2
- Stages: Series A, Series B, Seed
- Focus: Energy, Renewable Energy, Environmental Engineering

Eni.com: the business reality of Eni Corporate brand. The history, the governance, the values and the ethical principles and all the operational strategies of the Group.

## Catamount Ventures
- Type: VC Fund
- Location: San Francisco, California, United States
- Relevant deals: 2
- Stages: Series A, Series B, Series C
- Focus: Software, Manufacturing, Education

Founded in 2000 by Jed Smith, Catamount Ventures works with passionate entrepreneurs to help them build companies in the education, healthy living, and sustainability markets. Our common goal? To generate enduring value and produce outstanding returns for our investors.

## The Yield Lab
- Type: VC Fund
- Location: St Louis, Missouri, United States
- Relevant deals: 2
- Stages: Seed, Series A, Convertible Note
- Focus: Agriculture, AgTech, Biotechnology

The Yield Lab invests in AgriFood Tech companies with technologies focused on crops, animal health, digital agriculture, logistics, and food ingredients. Initial investments range from $100,000 – $1.5M.

## WindSail Capital Group
- Type: VC Fund
- Location: Boston, Massachusetts, United States
- Relevant deals: 2
- Stages: Debt Financing, Seed
- Focus: Energy, Software, Renewable Energy

Growth Capital for the Clean Economy

## Monsanto Growth Ventures (MGV)
- Type: VC Fund
- Location: San Francisco, California, United States
- Relevant deals: 2
- Stages: Series A, Seed, Series B
- Focus: Agriculture, Biotechnology, AgTech

Monsanto Growth Ventures (MGV) is the venture capital group at Monsanto Company. Monsanto has a large footprint as a provider of technology-based solutions and agricultural products that improve farm productivity and food quality. In this capacity, MGV aims to help nascent companies grow through capital and leveraging Monsanto’s agriculturee know-how and resources.MGV also fosters the growth of an innovation supply chain that includes researchers, entrepreneurs, other venture capitalists and emerging technology companies. Often, early stage product innovation is best handled by talented small independent teams and companies that can maintain a single focus, work in a capital efficient process and rapidly prototype innovations to find solutions. MGV has led investments in, and partnered with, small companies worldwide and They pride ourselves in assisting small companies to bring their innovations to the agricultural market place.Monsanto understands agriculture and the challenges in bringing products to market. They are patient investors and they can use their network of field testing and market intelligence to position products for success.

## Michigan Rise
- Type: VC Fund
- Location: East Lansing, Michigan, United States
- Relevant deals: 2
- Stages: Seed, Pre-Seed
- Focus: Software, Health Care, Medical

Michigan Rise Pre-Seed Fund provides early stage funding, seed investment, gap funding, and MEDC funding opportunities to technology startups to help commercialize innovative technologies. Michigan entrepreneurs and startups can access our pre-seed investment fund and early stage startup funding opp

## Ben Franklin Technology Partners of Southeastern Pennsylvania
- Type: VC Fund
- Location: Philadelphia, Pennsylvania, United States
- Relevant deals: 2
- Stages: Seed, Grant, Debt Financing
- Focus: Health Care, Software, Information Technology

We’re (not just) investors.We’re (more than) advisors.We’re (beyond) connectors.Ben Franklin Technology Partners combines the best practices of early stage investing with a higher purpose – to lead the region’s technology community to new heights, creating jobs and transforming lives. For over 30 years, Ben has been the leading seedstage capital provider for the region’s technology sectors, investing over $170 million in more than 1,750 regional technology companies, many of which have gone on to become industry leaders. Ben Franklin has also launched university/industry partnerships that accelerate scientific discoveries to commercialization, and has seeded regional initiatives that strengthen our entrepreneurial community.

## Energy Impact Partners
- Type: VC Fund
- Location: New York, New York, United States
- Relevant deals: 2
- Stages: Series A, Series B, Series C
- Focus: Software, Energy, Renewable Energy

Energy Impact Partners (EIP) is a collaborative strategic investment firm that invests in companies optimizing energy consumption and improving sustainable energy generation. Through close collaboration with its strategic investor base, EIP seeks to bring the best companies, buying power and vision in the industry to bear on the emerging energy landscape.

## AAF Management Ltd.
- Type: VC Fund
- Location: Arlington, Virginia, United States
- Relevant deals: 2
- Stages: Seed, Series A
- Focus: Software, FinTech, Health Care

Leading early-stage venture capital firm focused on pre-Seed, Seed and Series A stage technology companies in North America.

## Austin Ventures
- Type: VC Fund
- Location: Austin, Texas, United States
- Relevant deals: 2
- Stages: Series B, Series A, Series C
- Focus: Software, Enterprise Software, Internet

Austin Ventures is a venture capital and private equity company that specializes in partnering with talented executives and entrepreneurs to build companies.
It was founded in 1984 and headquartered in Austin, Texas.

## Shell Ventures
- Type: VC Fund
- Location: Rijswijk, Zuid-Holland, The Netherlands
- Relevant deals: 2
- Stages: Series A, Series B
- Focus: Energy, Renewable Energy, Software

Shell Ventures invests in companies to speed up development and deployment of new technologies which complement our business.

## Mako Strategies
- Type: VC Fund
- Location: Austin, Texas, United States
- Relevant deals: 2
- Stages: Seed, Series A
- Focus: Water, Energy, Oil and Gas

Mako Strategies seeks to invest in innovative, industry-disrupting ideas and technologies. We have an excellent track record in picking the next company with the potential to challenge the status quo and bringing them to the next level.

## Chevron Technology Ventures
- Type: VC Fund
- Location: Houston, Texas, United States
- Relevant deals: 2
- Stages: Series B, Series A
- Focus: Energy, Software, Oil and Gas

Chevron Technology Ventures champions innovation, commercialization and integration of emerging technologies within Chevron.

## Nat Friedman
- Type: Angel
- Location: San Francisco, California, United States
- Relevant deals: 2
- Stages: Seed, Series A, Series B
- Focus: Software, Artificial Intelligence, Information Technology

Nat Friedman is an entrepreneur and developer.Nat is passionate about building products that delight customers, with love and attention to detail. Nat has two degrees from MIT and has been writing software for 27 years.In 1999, he co-founded Ximian with Miguel de Icaza. Nat was a co-founder and chairman of the GNOME foundation. At Novell,Nat ran engineering for a $110M product and served as CTO of the Linux business.Nat is an avid traveler who visited 20 countries in 2010, an active angel investor, and a private pilot.

## TotalEnergies Ventures
- Type: VC Fund
- Location: La Défense, Ile-de-France, France
- Relevant deals: 2
- Stages: Series B, Series C
- Focus: Energy, Renewable Energy, Transportation

TotalEnergies Ventures is the venture capital arm of Total.As part of Total's commitment to a better energy future, TotalEnergies Ventures is focused on finding, funding and fostering high-potential start-ups which will contribute to creating a low carbon future.Current areas of interest include Renewables, Distributed Energy, NewMobility, Energy Access, Energy Storage, Bio-Plastics, Circular Economy, Carbon Capture and Hydrogen.

## Wisconsin Investment Partners
- Type: VC Fund
- Location: Madison, Wisconsin, United States
- Relevant deals: 2
- Stages: Seed, Series A
- Focus: Health Care, Biotechnology, Medical

Wisconsin Investment Partners is an Angel Investment Group in Madison, Wisconsin founded in 2000 with 20 members.

## LeFrak
- Type: VC Fund
- Location: New York, New York, United States
- Relevant deals: 2
- Stages: Series A, Seed, Series B
- Focus: Software, Real Estate, SaaS

LeFrak is a preeminent, family-owned property company committed to community development and long-term ownership. Its investments are geographically diverse and span many business sectors. It has significant investments in securities, private businesses, and energy.

## Fulcrum Global Capital
- Type: VC Fund
- Location: Mound City, Kansas, United States
- Relevant deals: 2
- Stages: Series A, Series B
- Focus: Biotechnology, Agriculture, AgTech

Feeding the world one investment at a time

## Geoff Hicks
- Type: Angel
- Relevant deals: 2
- Stages: Series A
- Focus: Analytics, Real Time, Oil and Gas

founder of Hicks Oilfield

## GE Ventures
- Type: VC Fund
- Location: Menlo Park, California, United States
- Relevant deals: 2
- Stages: Series B, Series A, Series C
- Focus: Health Care, Software, Enterprise Software

GE Ventures combines capital, technical, and commercial services. They invest in the healthcare and life sciences, energy and mobility, manufacturing and supply chain, enterprise productivity applications, digital infrastructure, and frontier technologies sectors.

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