Exploration and production companies in Colorado are essential players in the oil and gas sector, primarily focused on discovering and extracting resources. These firms vary in size and specialization, including private equity-backed startups and established corporations. They harness advanced technology for efficient resource management, demonstrating a commitment to sustainability in their operations. Market trends indicate a shift toward cleaner energy practices as they navigate regulatory frameworks and community expectations. With increasing innovations and shifting consumer preferences, companies strive to balance profitability and environmental stewardship to ensure long-term viability in a changing industry.

The companies featured in this list range from small teams to larger corporations, all headquartered in Colorado. Founded between 1958 and 2018, they specialize in various aspects of exploration, production, and asset management in oil and gas. The majority of these companies operate with a focus on responsible practices and technological advancements to optimize their outputs. With diverse operational footprints in landmarks such as the Permian Basin and the San Juan Basin, their roles are vital in meeting energy demands while attending to environmental concerns.

Read on to discover more about top exploration and production companies in Colorado.

Top 20 Exploration and Production Companies in Colorado

1. Zavanna Energy, LLC

• Website: zavanna.com
• Ownership type: Private Equity
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: September 2024
• Founded year: 1994
• Headcount: 51-200
• LinkedIn: zavannaenergy

Zavanna Energy, LLC is a private equity-backed oil and gas exploration and production company based in Denver, Colorado. Founded in 1994, Zavanna has carved out a significant presence in North Dakota's Williston Basin, where it operates approximately 60,800 acres. The company is recognized for its technical capabilities and operational discipline, consistently achieving high well performance and innovative completion designs. Zavanna's commitment to sustainable practices is evident in its efforts to reduce greenhouse gas emissions and its investment in technologies that minimize environmental impact. The firm has built strong partnerships with landowners and other industry players, which are crucial for its operational success. With a workforce of around 96 employees, Zavanna maintains a nimble structure that allows for quick decision-making and adaptability in a competitive market. The company has not reported any recent funding, indicating a stable operational model that relies on its internal resources and expertise.

2. Red Willow Production Company

• Website: rwpc.us
• Ownership type: Private
• Headquarters: Ignacio, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1992
• Headcount: 51-200
• LinkedIn: red-willow-production-company

Red Willow Production Company, based in Ignacio, Colorado, is an oil and gas exploration and production firm established in 1992. Owned by the Southern Ute Indian Tribe, the company focuses on the exploration and development of oil and gas resources primarily in the San Juan Basin. Red Willow operates on the Southern Ute Indian Reservation and has expanded its reach beyond the reservation through various LLCs. The company holds interests in over 1,800 operated and non-operated wells, with net production exceeding 70 billion cubic feet of gas equivalent per year. In addition to its core operations in the San Juan Basin, Red Willow is actively involved in projects in the Deepwater Gulf of Mexico and the Delaware Basin in West Texas. The company prioritizes safety and environmental stewardship, ensuring compliance with regulations while fostering positive relationships within the industry and local communities.

3. Anschutz Exploration Corporation

• Website: anschutzexploration.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1958
• Headcount: 51-200
• LinkedIn: anschutz-exploration-corporation

Anschutz Exploration Corporation (AEC), based in Denver, Colorado, is a private oil and gas exploration company with a history dating back to 1958. The company operates primarily in the US Rockies, with assets located in Wyoming, Colorado, and Utah. AEC has a strong operational focus on the Powder River Basin, Piceance Basin, and Uinta Basin, where it has drilled and completed numerous oil and gas wells. The company prides itself on applying advanced technologies and practices to enhance its exploration and production efforts. AEC actively manages its portfolio, seeking new opportunities while divesting from areas that no longer align with its strategic objectives. The firm is committed to maintaining high ethical and environmental standards in its operations, reflecting a responsible approach to resource management.

4. Resolute Energy Corporation

• Website: resoluteenergy.com
• Ownership type: Corporate
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $1.6B, November 2018
• Founded year: 2004
• Headcount: 201-500
• LinkedIn: resolute-energy-corporation

Resolute Energy Corporation, based in Denver, Colorado, is an oil and gas producer with a concentrated focus on the Delaware Basin. Founded in 2004, the company has carved out a significant presence in this prolific area, specializing in the extraction of crude oil and natural gas. Resolute has developed a strong drilling inventory, with over 550 wells identified for future development, and controls approximately 21,100 net acres in the basin. This strategic positioning allows the company to maximize operational efficiencies and production capabilities. In recent years, Resolute has successfully drilled and completed numerous horizontal wells targeting the Wolfcamp formations, contributing to notable production growth. The company aims to continue this upward trajectory while maintaining a strong balance sheet and delivering value to its shareholders.

5. Sentinel Peak Resources

• Website: sentinelpeakresources.com
• Ownership type: Private
• Headquarters: Englewood, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: January 2016
• Founded year: 2016
• Headcount: 201-500
• LinkedIn: sentinel-peak-resources

Sentinel Peak Resources is an energy company based in Englewood, Colorado, with a strong operational presence in California. Founded in 2016, the company specializes in the acquisition, development, and exploration of oil and gas assets, with a particular emphasis on heavy oil production. Sentinel Peak operates primarily in the San Joaquin Valley and the LA Basin, where it manages significant thermal and water flood assets. The company has grown rapidly, becoming the largest privately held oil and gas producer in California and the fourth largest overall. With a dedicated workforce and a commitment to operational excellence, Sentinel Peak aims to maximize the value of its assets while engaging with local communities. The management team, composed of seasoned professionals from the oil and gas sector, has a proven track record in navigating California's complex operating environment. The company has not reported any recent funding, indicating a self-sustaining operational model supported by its equity commitments.

6. Petrogulf Corp

• Website: petrogulf.com
• Ownership type: Family Owned
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: Egypt 50%, Kuwait 50%
• Founded year: 1981
• Headcount: 51-200
• LinkedIn: petrogulf-corp

Petrogulf Corp, based in Denver, Colorado, is a family-owned exploration and production company specializing in oil and gas. Founded in 1981, the company has built a reputation for acquiring mineral rights and providing exploration services to landowners and businesses within the oil and gas sector. Petrogulf has operated and non-operated positions across 11 states, with a notable presence in North Dakota, Texas, California, Louisiana, and Michigan. They have been involved in conventional exploration since their inception and have expanded into unconventional exploration since 1998. The company utilizes advanced subsurface mapping and geophysical software to identify and develop prospects, showcasing their commitment to leveraging technology in their operations. Petrogulf is also open to joint venture partnerships, indicating a willingness to collaborate and explore new opportunities in the market.

7. Bayswater

• Website: bayswater.us
• Ownership type: Corporate
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: May 2024
• Founded year: 2004
• Headcount: 51-200
• LinkedIn: bayswater-exploration-%26-production-llc

Bayswater Exploration & Production LLC, based in Denver, Colorado, is an oil and gas development company that has been operational since 2004. The firm primarily focuses on exploration and production activities in the Denver-Julesburg Basin and the Permian Basin, two key areas known for their rich hydrocarbon resources. With a workforce of approximately 61 employees, Bayswater has built a reputation for its commitment to responsible energy development, emphasizing environmental stewardship and community engagement. The company operates around 78,000 net working interest acres and has drilled over 390 horizontal wells in the DJ Basin since 2010. Their production capabilities are notable, with a current net production of approximately 44,100 BOE/D from operated wells. Bayswater also manages natural resources funds, having raised significant capital for energy investments. Their proactive approach to sustainability, including continuous air emissions monitoring, positions them as a forward-thinking entity in the oil and gas sector.

8. FourPoint Energy, LLC

• Website: fourpointenergy.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $5.7M, July 2022
• Founded year: 2013
• Headcount: 51-200
• LinkedIn: fourpoint-energy-llc

FourPoint Energy, LLC is an oil and gas exploration and production company based in Denver, Colorado. Founded in 2013, the company has carved out a niche in the energy sector by focusing on the management and acquisition of producing assets, as well as the exploration of undeveloped resources. With a dedicated team that boasts decades of industry experience, FourPoint Energy aims to create value for land and mineral owners, investors, and partners. The company operates primarily in the Western Anadarko and Permian Basins, where it actively pursues acquisition opportunities. In July 2022, FourPoint secured $5.7 million in funding, underscoring its commitment to growth and development in the oil and gas sector. Through its strategic initiatives, FourPoint Energy continues to position itself as a significant player in the exploration and production landscape.

9. GMT Exploration Company

• Website: gmtexploration.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 91%, Canada 9%
• Latest funding: $73.9M, February 2024
• Founded year: 2005
• Headcount: 11-50
• LinkedIn: gmt-exploration-company

GMT Exploration Company LLC, founded in 2005 and based in Denver, Colorado, is a private independent oil and gas exploration company. The firm specializes in the generation, operation, and development of oil and natural gas properties. Their operational footprint spans several key regions, including the North Slope of Alaska, the Western Canadian Sedimentary Basin in Alberta, the DJ Basin in Colorado, and the Green River Basin in Wyoming. GMT Exploration is committed to utilizing advanced technologies and best practices in their exploration and production efforts. The company has a strong emphasis on financial flexibility, leveraging cash flow from their properties and strategic asset-based borrowing. In February 2024, GMT secured funding of approximately $73.9 million, which underscores their active role in the industry and supports their growth initiatives.

10. Robert L. Bayless, Producer LLC

• Website: rlbayless.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1958
• Headcount: 11-50
• LinkedIn: robert-l-bayless-producer-llc

Robert L. Bayless, Producer LLC is a privately owned oil and natural gas exploration and production company based in Denver, Colorado, with additional operations in Farmington, New Mexico. Established in 1958, the company has built a solid reputation in the Rocky Mountain Region, focusing on the exploration and production of oil and natural gas. Bayless operates around 150 wells across several key basins, including the San Juan, Piceance, and Uinta Basins, primarily dealing with legacy natural gas wells and actively developing Mancos oil and gas assets. The company is also involved in acquiring exploration acreage in prospective areas, demonstrating a proactive approach to growth. With a commitment to strategic partnerships, Bayless aims to enhance production rates and reserves while maintaining a legacy of solid operations. Their involvement extends internationally, as they hold a royalty interest in the Beetaloo Basin in Australia through an affiliate. This combination of local expertise and international interests positions them as a relevant player in the exploration and production sector.

11. Discovery Natural Resources LLC

• Website: discoverynr.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2002
• Headcount: 51-200
• LinkedIn: discovery-natural-resources-llc

Discovery Natural Resources LLC, based in Denver, Colorado, is a private oil and gas company established in 2002. The firm specializes in the acquisition, development, and exploration of high-quality oil and gas properties, primarily in the prolific Permian Basin of West Texas. Discovery operates 1,230 producing wells across approximately 140,500 net acres, showcasing a robust operational footprint. The company is dedicated to creating value and delivering returns to stakeholders through a long-term approach to sustainable development. Their daily production is approximately 39,000 BOE/d, and they also manage a network of pipelines for oil, gas, and water transfer. Discovery Natural Resources is committed to responsible environmental practices and actively invests in technology to enhance well results and operational efficiency.

12. Jonah Energy LLC

• Website: jonahenergy.com
• Ownership type: Private Equity
• Headquarters: Denver, Colorado, United States (USA)
• Latest funding: Other (Debt), $750.0M, October 2022
• Founded year: 2014
• Headcount: 201-500
• LinkedIn: jonah-energy-llc

Jonah Energy LLC, founded in 2014 and based in Denver, Colorado, is an oil and gas producer that concentrates on the acquisition and development of natural gas properties across North America. The company operates primarily in the Jonah Field in Wyoming, which is known for its prolific natural gas production. Jonah Energy emphasizes environmentally responsible practices, particularly through its Responsibly Produced Gas initiative, which aims to reduce methane emissions and enhance sustainability in its operations. The company has made significant strides in emission reductions, achieving a 68% decrease in methane emissions per unit of natural gas produced over the past three years. Jonah Energy's customer base includes natural gas utility companies and other businesses seeking cleaner energy solutions. In 2022, the company completed a substantial $750 million securitized financing, further solidifying its financial position and capacity for growth. Jonah Energy is also recognized for its commitment to community engagement and partnerships with environmental organizations, reflecting its dedication to responsible energy production.

13. McElvain Energy, Inc.

• Website: mcelvain.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1992
• Headcount: 11-50
• LinkedIn: mcelvain-energy-inc-

McElvain Energy, Inc. is a privately held oil and gas exploration and production company based in Denver, Colorado. Founded in 1992, the company has its roots in the industry dating back to the 1920s. McElvain Energy operates primarily in the Permian Basin, San Juan Basin, and DJ Basin, focusing on drilling and prospect generation. The firm is dedicated to providing essential resources through its exploration and production activities, serving other businesses in the energy sector. Their growth strategy includes sustained investment in drilling, timely divestitures, and reinvestment of internal cash flow, all while maintaining a focus on integrity and long-term relationships. With a small team of around 23 employees, McElvain Energy continues to seek new opportunities and partnerships to enhance its operations.

14. HRM Resources

• Website: hrmres.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: hrm-resources

HRM Resources IV, LLC, based in Denver, Colorado, is an oil and gas exploration and production company founded in 2011. The firm specializes in acquiring long-lived energy assets in the Rocky Mountain and mid-Continent regions, focusing on properties with a high percentage of producing reserves. HRM Resources is dedicated to enhancing operational efficiencies and pursuing exploitation projects to increase the value of its assets. The company prides itself on its commitment to sustainability, consistently exceeding regulatory requirements and employing advanced practices to minimize environmental impact. HRM has successfully completed three previous ventures with Kayne-Anderson Energy Private Equity, demonstrating its capability in managing and divesting energy assets. The company actively engages with stakeholders, emphasizing transparency and collaboration in its operations, which is reflected in its robust governance practices. HRM Resources also invests in community well-being through charitable initiatives, showcasing its commitment to social responsibility.

15. Four Corners Petroleum II, LLC

• Website: fcpetroleum.com
• Ownership type: Private Equity
• Headquarters: Wheat Ridge, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: July 2016
• Founded year: 2016
• Headcount: 1-10
• LinkedIn: four-corners-petroleum-llc

Four Corners Petroleum II, LLC, based in Wheat Ridge, Colorado, is an oil and gas exploration and production company that was established in 2016. The company operates with a focus on technical excellence, aiming to create value through its operations in the energy sector. Four Corners Petroleum has successfully operated and sold assets on the Central Basin Platform and is currently concentrating on expanding its position in the Permian Basin, a key area for oil extraction. The firm leverages its expertise in resource management and enhanced oil recovery techniques to serve its clients, primarily businesses within the energy industry. The company is backed by equity commitments from notable private equity firms, Edge Natural Resources and RedBird Capital Partners, which support its growth and operational strategies.

16. Validus Energy

• Website: validus-energy.com
• Ownership type: Corporate
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $1.8B, August 2022
• Founded year: 2021
• Headcount: 51-200
• LinkedIn: validus-energy

Validus Energy is an exploration and production company based in Denver, Colorado, specializing in the acquisition and exploitation of upstream oil and gas assets. Founded in 2021, the company aims to build and operate a substantial portfolio of producing wells and drilling locations primarily in the lower 48 states of the U.S. Validus Energy's business model is centered around disciplined growth, capital efficiency, and maintaining low leverage, which positions it to create consistent economic value over time. The company is financially backed by large institutional investors, which enhances its operational capabilities and market presence. Validus Energy is committed to environmental, social, and governance (ESG) principles, focusing on reducing greenhouse gas emissions and ensuring the safety of its employees and communities. This commitment reflects a modern approach to energy production, balancing profitability with responsibility.

17. Samuel Gary Jr. & Associates, Inc.

• Website: samgaryjr.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1980
• Headcount: 11-50
• LinkedIn: samuel-gary-jr-associates-inc

Samuel Gary Jr. & Associates, Inc. is a privately held oil and gas exploration company based in Denver, Colorado. Founded in 1980, the company has built a reputation for acquiring, exploring, developing, and producing crude oil and natural gas reserves throughout North America. With a dedicated management team, Samuel Gary Jr. & Associates has successfully executed numerous ventures over the years, showcasing their operational expertise in the energy sector. The company emphasizes accountability, service, safety, and stewardship, reflecting its commitment to responsible resource management and client satisfaction. Their client base includes various businesses and organizations that rely on dependable energy resources, underscoring their role in the energy supply chain.

18. Crowheart Energy, LLC

• Website: crowheartenergy.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 98%, Canada 2%
• Founded year: 2017
• Headcount: 51-200
• LinkedIn: crowheart-energy-llc

Crowheart Energy, LLC is an oil and gas company based in Denver, Colorado, specializing in upstream operations. Founded in 2017, the company primarily operates in Wyoming's Wamsutter Field, where it focuses on the extraction of crude oil and natural gas. Crowheart Energy manages approximately 1,200,000 acres of leasehold and produces from over 3,600 wells. The company is dedicated to utilizing cutting-edge technology to enhance operational efficiency and reduce costs while increasing production. Crowheart Energy places a strong emphasis on environmental stewardship, implementing initiatives to minimize its impact on the land and wildlife. Their commitment to ethical practices and sustainability is evident in their operational strategies, which aim to balance energy production with ecological responsibility.

19. Northwoods Energy LLC

• Website: nwoodsenergy.com
• Ownership type: Corporate
• Headquarters: Denver, Colorado, United States (USA)
• Latest funding: June 2023
• Founded year: 2018
• Headcount: 11-50
• LinkedIn: northwoods-energy

Northwoods Energy LLC, also known as Sage Butte Energy, is an oil and gas exploration company based in Denver, Colorado. Founded in 2018, the company focuses on production in the Powder River Basin, a region known for its rich oil reserves. Sage Butte Energy operates on a contiguous land position of 146,000 acres, primarily located in north-central Converse County, Wyoming. The company has developed eight production benches, including the Niobrara, Frontier, and Shannon formations, which are recognized for their production potential. Sage Butte Energy emphasizes a commitment to safety and environmental responsibility, aiming to minimize its ecological footprint while meeting the energy demands of its clients. Despite being a relatively new entrant in the industry, the company is actively engaged in expanding its production capabilities and leveraging technological advancements to enhance operational efficiency.

20. Crimson Resource Management Corp

• Website: crimsonrm.com
• Ownership type: Private
• Headquarters: Denver, Colorado, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1986
• Headcount: 51-200
• LinkedIn: crimson-resource-management

Crimson Resource Management Corp, based in Denver, Colorado, is an oil and gas producer that specializes in the development and revitalization of under-exploited reservoirs in California. Founded in 1986, the company has established itself as a significant independent producer in the state, operating 22 oil fields primarily in the San Joaquin Basin. Crimson employs advanced extraction methods, including steam injection and secondary recovery techniques, to enhance production efficiency while maintaining a commitment to environmental sustainability. The company has a strong focus on community engagement and environmental stewardship, actively participating in initiatives that reduce their carbon footprint and support local communities. With a workforce of approximately 46 employees, Crimson continues to grow its operations and has achieved notable production milestones, including record daily outputs in recent years.

Exploration and Production Insights: Key Companies in Colorado

Company	Headquarter	Size	Founded	Ownership
Zavanna Energy, LLC	Denver, Colorado, United States (USA)	51-200	1994	Private Equity
Red Willow Production Company	Ignacio, Colorado, United States (USA)	51-200	1992	Private
Anschutz Exploration Corporation	Denver, Colorado, United States (USA)	51-200	1958	Private
Resolute Energy Corporation	Denver, Colorado, United States (USA)	201-500	2004	Corporate
Sentinel Peak Resources	Englewood, Colorado, United States (USA)	201-500	2016	Private
Petrogulf Corp	Denver, Colorado, United States (USA)	51-200	1981	Family Owned
Bayswater	Denver, Colorado, United States (USA)	51-200	2004	Corporate
FourPoint Energy, LLC	Denver, Colorado, United States (USA)	51-200	2013	Private
GMT Exploration Company	Denver, Colorado, United States (USA)	11-50	2005	Private
Robert L. Bayless, Producer LLC	Denver, Colorado, United States (USA)	11-50	1958	Private
Discovery Natural Resources LLC	Denver, Colorado, United States (USA)	51-200	2002	Private
Jonah Energy LLC	Denver, Colorado, United States (USA)	201-500	2014	Private Equity
McElvain Energy, Inc.	Denver, Colorado, United States (USA)	11-50	1992	Private
HRM Resources	Denver, Colorado, United States (USA)	11-50	2011	Private
Four Corners Petroleum II, LLC	Wheat Ridge, Colorado, United States (USA)	1-10	2016	Private Equity
Validus Energy	Denver, Colorado, United States (USA)	51-200	2021	Corporate
Samuel Gary Jr. & Associates, Inc.	Denver, Colorado, United States (USA)	11-50	1980	Private
Crowheart Energy, LLC	Denver, Colorado, United States (USA)	51-200	2017	Private
Northwoods Energy LLC	Denver, Colorado, United States (USA)	11-50	2018	Corporate
Crimson Resource Management Corp	Denver, Colorado, United States (USA)	51-200	1986	Private

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