# Top 50 Oil & Gas Startups in the United States by Funding (2026)

> The 50 best-funded oil & Gas startups in the United States, ranked by total funding raised: $4.7B combined.

Source: https://millionrounds.com/top-lists/oil-gas-startups-united-states (Millionrounds; every figure on the page links to its filing or article)

- 1 [**KoBold Metals** KoBold Metals is a scientific mineral exploration and development company based in Berkeley, California.](https://millionrounds.com/company/kobold-metals) KoBold Metals is a scientific mineral exploration and development company based in Berkeley, California. *Founded* 2018 Berkeley, United States **$1.5B** last round Nov 2025
- 2 [**Northwind Midstream Partners** Nothwind's aim is to reduce emissions and treat off-spec natural gas by offering sustainable midstream services.](https://millionrounds.com/company/northwind-midstream-partners) Nothwind's aim is to reduce emissions and treat off-spec natural gas by offering sustainable midstream services. *Founded* 2022 Houston, United States **$700M** last round Mar 2025
- 3 [**Navitas Midstream Partners** Navitas Midstream Partners is a producer-focused midstream company.](https://millionrounds.com/company/navitas-midstream-partners) Navitas Midstream Partners is a producer-focused midstream company. *Founded* 2013 The Woodlands, United States **$500M** last round Jun 2014
- 4 [**BitMine**](https://millionrounds.com/company/bitmine) *Founded* - United States **$365M** last round Sept 2025
- 5 [**South32 Hermosa** South32's Hermosa project is the only advanced mine development project in the United States.](https://millionrounds.com/company/south32-hermosa) South32's Hermosa project is the only advanced mine development project in the United States. *Founded* - Patagonia, United States **$166M** last round Sept 2024
- 6 [**Turner Mining Group** Turner Mining Group is a team of experienced mining industry professionals performing a full spectrum of mine services from coast to coast.](https://millionrounds.com/company/turner-mining-group) Turner Mining Group is a team of experienced mining industry professionals performing a full spectrum of mine services from coast to coast. *Founded* 2017 Bloomington, United States **$150M** last round Apr 2026
- 7 [**Mesabi Metallics**](https://millionrounds.com/company/mesabi-metallics) *Founded* - United States **$150M** last round Apr 2026
- 8 [**ReElement Technologies Corporation**](https://millionrounds.com/company/reelement-technologies-corporation) *Founded* - United States **$150M** last round Sept 2025
- 9 [**Teal Natural Resources** Teal Natural Resources is an independent oil and gas exploration and production company based in Dallas, Texas.](https://millionrounds.com/company/teal-natural-resources) Teal Natural Resources is an independent oil and gas exploration and production company based in Dallas, Texas. *Founded* 2016 Dallas, United States **$125M** last round May 2016
- 10 [**Tall Oak Midstream** Tall Oak Midstream is an innovative midstream company.](https://millionrounds.com/company/tall-oak-midstream) Tall Oak Midstream is an innovative midstream company. *Founded* 2014 Edmond, United States **$100M** last round Feb 2014
- 11 [**Mettle Midstream Partners, LLC** Mettle Midstream offers natural gas and oil gathering, processing, compression, treating and product marketing services.](https://millionrounds.com/company/mettle-midstream-partners-llc) Mettle Midstream offers natural gas and oil gathering, processing, compression, treating and product marketing services. *Founded* 2018 Dallas, United States **$100M** last round Mar 2018
- 12 [**Sweetwater Royalties** Sweetwater Royalties manages land and mineral rights for resource and energy development.](https://millionrounds.com/company/sweetwater-royalties) Sweetwater Royalties manages land and mineral rights for resource and energy development. *Founded* - Lakewood, United States **$100M** last round Apr 2024
- 13 [**EnergyX**](https://millionrounds.com/company/energyx) *Founded* - United States **$97M** last round Jan 2025
- 14 [**SafeAI** SafeAI develops autonomous driving technology for heavy-equipment vehicles used in the construction and mining industries.](https://millionrounds.com/company/safeai) SafeAI develops autonomous driving technology for heavy-equipment vehicles used in the construction and mining industries. *Founded* 2017 Santa Clara, United States **$64M** last round Dec 2022
- 15 [**Esper**](https://millionrounds.com/company/esper) *Founded* - United States **$63M** last round Mar 2026
- 16 [**PetroTal** PetroTal is a publicly-traded oil and gas development and production company domiciled in Calgary, Alberta.](https://millionrounds.com/company/petrotal) PetroTal is a publicly-traded oil and gas development and production company domiciled in Calgary, Alberta. *Founded* 2016 Houston, United States **$50M** last round May 2025
- 17 [**ComboCurve** ComboCurve is a Houston-based energy technology company founded in 2017.](https://millionrounds.com/company/combocurve) ComboCurve is a Houston-based energy technology company founded in 2017. *Founded* 2017 Houston, United States **$50M** last round Apr 2022
- 18 [**EON Resources** EON is a stand-alone energy business that specializes in energy, natural resources, oil, and other energy-related fields.](https://millionrounds.com/company/eon-resources) EON is a stand-alone energy business that specializes in energy, natural resources, oil, and other energy-related fields. *Founded* - Houston, United States **$41M** last round Sept 2025
- 19 [**BlueOak Resources** BlueOak Resources is a clean-tech company based in the U.S.](https://millionrounds.com/company/blueoak-resources) BlueOak Resources is a clean-tech company based in the U.S. *Founded* 2011 Burlingame, United States **$36M** last round Jun 2014
- 20 [**Equilibrium Energy** We will be a small producer with the goal of developing a stable production profile that can be grown to 1,000 boed of low decline.](https://millionrounds.com/company/equilibrium-energy) We will be a small producer with the goal of developing a stable production profile that can be grown to 1,000 boed of low decline. *Founded* 2014 United States **$28M** last round Mar 2025
- 21 [**Atana Elements** Atana Elements is a Houston-based company focused on the exploration and development of critical minerals.](https://millionrounds.com/company/atana-elements) Atana Elements is a Houston-based company focused on the exploration and development of critical minerals. *Founded* 2025 Houston, United States **$28M** last round Jun 2026
- 22 [**Gunnison Copper** Gunnison Copper is a copper production company that engages in eco-friendly copper projects.](https://millionrounds.com/company/gunnison-copper) Gunnison Copper is a copper production company that engages in eco-friendly copper projects. *Founded* - Phoenix, United States **$25M** last round May 2026
- 23 [**Princeton Critical Minerals** Princeton Critical Minerals is a cleantech company that boosts lithium extraction and production from brine sources.](https://millionrounds.com/company/princeton-critical-minerals) Princeton Critical Minerals is a cleantech company that boosts lithium extraction and production from brine sources. *Founded* - New Jersey, United States **$21M** last round Aug 2026
- 24 [**Cuprum Metals** Revolutionizing Copper Extraction: Cuprum Metals' proprietary technology leverages advanced leaching techniques to unlock previously untapped copper resources w](https://millionrounds.com/company/cuprum-metals) Revolutionizing Copper Extraction: Cuprum Metals' proprietary technology leverages advanced leaching techniques to unlock previously untapped copper resources w *Founded* 2023 Boulder City, United States **$19M** last round Jun 2026
- 25 [**Microshare**](https://millionrounds.com/company/microshare) *Founded* - United States **$19M** last round Aug 2026
- 26 [**TriStar Gold** TriStar Gold is an exploration-stage junior mining company.](https://millionrounds.com/company/tristar-gold) TriStar Gold is an exploration-stage junior mining company. *Founded* 2010 Scottsdale, United States **$15M** last round May 2026
- 27 [**Elementus** Elementus is a blockchain intelligence platform based in New York, founded in 2017.](https://millionrounds.com/company/elementus) Elementus is a blockchain intelligence platform based in New York, founded in 2017. *Founded* 2017 New York, United States **$14M** last round Feb 2023
- 28 [**Giraffe Bio** Giraffe Bio is a biotechnology company founded in 2024 and based in Buenos Aires, Argentina, with an additional location in Santiago, Chile.](https://millionrounds.com/company/giraffe-bio) Giraffe Bio is a biotechnology company founded in 2024 and based in Buenos Aires, Argentina, with an additional location in Santiago, Chile. *Founded* 2024 Buenos Aires, United States **$13M** last round Oct 2026
- 29 [**Deckard Technologies** Deckard's AI-powered platform & market-leading products have revolutionized the way local governments manage compliance.](https://millionrounds.com/company/deckard-technologies) Deckard's AI-powered platform & market-leading products have revolutionized the way local governments manage compliance. *Founded* 2018 San Diego, United States **$11M** last round Sept 2025
- 30 [**Tidal Metals** Tidal Metals is a deep-tech company based in Hamilton, New Jersey, founded by three PhD scientists from prestigious institutions.](https://millionrounds.com/company/tidal-metals) Tidal Metals is a deep-tech company based in Hamilton, New Jersey, founded by three PhD scientists from prestigious institutions. *Founded* 2017 Princeton, United States **$8.5M** last round Sept 2024
- 31 [**Tank Utility** Tank Utility streamlines energy delivery for those that rely on truck-delivered oil or propane.](https://millionrounds.com/company/tank-utility) Tank Utility streamlines energy delivery for those that rely on truck-delivered oil or propane. *Founded* 2014 Boston, United States **$8.2M** last round Feb 2019
- 32 [**Transition Metal Solutions** Transition Metal Solutions is a biotechnology startup founded in 2023, focused on developing custom chemical additives, referred to as prebiotics, to enhance mi](https://millionrounds.com/company/transition-metal-solutions) Transition Metal Solutions is a biotechnology startup founded in 2023, focused on developing custom chemical additives, referred to as prebiotics, to enhance mi *Founded* 2023 Berkeley, United States **$6.0M** last round Jan 2026
- 33 [**Noble Gas Systems** Noble Gas Systems develops gas storage and delivery systems with conformable tank technology.](https://millionrounds.com/company/noble-gas-systems) Noble Gas Systems develops gas storage and delivery systems with conformable tank technology. *Founded* 2017 Wixom, United States **$5.7M** last round Apr 2026
- 34 [**Site Fuel** The Only Fuel Management Solution.](https://millionrounds.com/company/site-fuel) The Only Fuel Management Solution. *Founded* 2015 Charleston, United States **$5.0M** last round Apr 2018
- 35 [**Kimono Labs** Kimono Labs was a web data extraction company based in San Francisco, founded in 2014 by Pratap Ranade and Ryan Rowe.](https://millionrounds.com/company/kimono-labs) Kimono Labs was a web data extraction company based in San Francisco, founded in 2014 by Pratap Ranade and Ryan Rowe. *Founded* 2014 San Francisco, United States **$5.0M** last round Feb 2016
- 36 [**Deep Sea Rare Minerals** Deep Sea Rare Minerals is a mineral exploration company that develops subsea mineral resources.](https://millionrounds.com/company/deep-sea-rare-minerals) Deep Sea Rare Minerals is a mineral exploration company that develops subsea mineral resources. *Founded* - Mt Pleasant, United States **$5.0M** last round Jan 2026
- 37 [**Rua Diagnostics** RUA Diagnostics is developing groundbreaking technology through the use of breath analysis with gas chromatography.](https://millionrounds.com/company/rua-diagnostics) RUA Diagnostics is developing groundbreaking technology through the use of breath analysis with gas chromatography. *Founded* - Westbury, United States **$3.6M** last round May 2026
- 38 [**Radial Analytics** Optimizing patient care transitions with real-time decision support solutions for payers and providers](https://millionrounds.com/company/radial-analytics) Optimizing patient care transitions with real-time decision support solutions for payers and providers *Founded* 2014 Concord, United States **$3.4M** last round Feb 2022
- 39 [**Quantec Geoscience** Quantec Geoscience is a provider of ground geophysical data acquisition, processing, inversion, and interpretation.](https://millionrounds.com/company/quantec-geoscience) Quantec Geoscience is a provider of ground geophysical data acquisition, processing, inversion, and interpretation. *Founded* 1986 Toronto, United States **$3.0M** last round Dec 2006
- 40 [**Baniql** BANIQL is a technology startup based in San Jose, California, founded in 2021.](https://millionrounds.com/company/baniql) BANIQL is a technology startup based in San Jose, California, founded in 2021. *Founded* 2021 San Jose, United States **$1.6M** last round Oct 2025
- 41 [**Circularity2** Circularity2 is a mission to dramatically reduce the greenhouse gas impacts of hard-to-decarbonize industries.](https://millionrounds.com/company/circularity2) Circularity2 is a mission to dramatically reduce the greenhouse gas impacts of hard-to-decarbonize industries. *Founded* - Minneapolis, United States **$1.5M** last round Sept 2025
- 42 [**MAAT Energy** MAAT Energy represents one of the most significant opportunities to impact climate change.](https://millionrounds.com/company/maat-energy) MAAT Energy represents one of the most significant opportunities to impact climate change. *Founded* - Cambridge, United States **$1.1M** last round Aug 2024
- 43 [**VNG.co** VNG.CO, commercial and government fleet operators avoid the expense and responsibility of installing, operating and monitoring.](https://millionrounds.com/company/vng-co) VNG.CO, commercial and government fleet operators avoid the expense and responsibility of installing, operating and monitoring. *Founded* 2009 Blue Bell, United States **$1.1M** last round Apr 2015
- 44 [**Vitagene** Vitagene is a health technology company based in San Francisco, founded in 2014 by Mehdi Maghsoodnia and Dr.](https://millionrounds.com/company/vitagene) Vitagene is a health technology company based in San Francisco, founded in 2014 by Mehdi Maghsoodnia and Dr. *Founded* 2014 San Francisco, United States **$1.0M** last round Sept 2017
- 45 [**Lelantos** Lelantos is a private company based in New York, founded in 2019.](https://millionrounds.com/company/lelantos) Lelantos is a private company based in New York, founded in 2019. *Founded* 2019 New York, United States **$999K** last round Oct 2021
- 46 [**Brisbane METS Lab** Brisbane METS Lab is an Australian private company specializing in metallurgical and geoanalytical testing services.](https://millionrounds.com/company/brisbane-mets-lab) Brisbane METS Lab is an Australian private company specializing in metallurgical and geoanalytical testing services. *Founded* - Coopers Plains, United States **$903K** last round Jul 2021
- 47 [**Big Blue Technologies** Big Blue Technologies is developing a thermal magnesium metal production process.](https://millionrounds.com/company/big-blue-technologies) Big Blue Technologies is developing a thermal magnesium metal production process. *Founded* 2015 Denver, United States **$550K** last round Oct 2026
- 48 [**Kilroy Metal** Kilroy Metal is a mining and exploration company that is engaged in the extraction of minerals and precious metals.](https://millionrounds.com/company/kilroy-metal) Kilroy Metal is a mining and exploration company that is engaged in the extraction of minerals and precious metals. *Founded* - Phoenix, United States **$360K** last round Mar 2026
- 49 [**AstroForge** AstroForge is a deep-space mining company founded in 2022 and headquartered in Seal Beach, California.](https://millionrounds.com/company/astroforge) AstroForge is a deep-space mining company founded in 2022 and headquartered in Seal Beach, California. *Founded* 2022 Seal Beach, United States **$266K** last round Oct 2025
- 50 [**Stratajam** Stratajam is a mineral development and production company.](https://millionrounds.com/company/stratajam) Stratajam is a mineral development and production company. *Founded* - New Braunfels, United States **$256K** last round Apr 2022

**Total funding** how the list is ranked

**15 November 2026** updated nightly

**Rounds we track** source: Millionrounds

Companies whose funding rounds we classed in this sector, ranked by the total they have raised in rounds we hold. Nobody pays to be on a list.

## Who backed them?

Open any company for its rounds and investors, or search the investors who back oil & Gas startups in the United States in the app, with filters, lists and exports.

[Find their investors](https://millionrounds.com/login?join=1&next=/app/investors)[All top lists](https://millionrounds.com/top-lists)

## More oil & gas lists

[See all](https://millionrounds.com/top-lists?t=Oil%20%26%20Gas)

[*AG* *SR* *GM* **Oil & Gas startups in Canada** 98 companies · $2.8B](https://millionrounds.com/top-lists/oil-gas-startups-canada)[*SV* *AG* *BT* **Oil & Gas startups that raised in 2026** 84 companies · $2.9B in 2026](https://millionrounds.com/top-lists/oil-gas-startups-raised-2026)[*AG* *AG* *FC* **Oil & Gas startups in Vancouver** 50 companies · $1.2B](https://millionrounds.com/top-lists/oil-gas-startups-vancouver)[*AG* *GM* *NF* **Oil & Gas startups in Canada that raised in 2026** 44 companies · $1.3B in 2026](https://millionrounds.com/top-lists/oil-gas-startups-canada-raised-2026)[*FS* *DM* *RM* **Oil & Gas startups in Australia** 29 companies · $444M](https://millionrounds.com/top-lists/oil-gas-startups-australia)[*TR* *KP* *SR* **Oil & Gas startups in the United Kingdom** 22 companies · $5.2B](https://millionrounds.com/top-lists/oil-gas-startups-united-kingdom)[*GM* *NF* *CM* **Oil & Gas startups in Toronto** 21 companies · $896M](https://millionrounds.com/top-lists/oil-gas-startups-toronto)[*TR* *KM* *GM* **Oil & Gas startups founded in 2018** 15 companies · $4.5B](https://millionrounds.com/top-lists/oil-gas-startups-founded-2018)

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