The oil and gas sector in Wyoming has a diverse range of companies that provide a range of services from exploration, extraction, production, through to transportation. These companies not only contribute to the local economy but also play a pivotal role in the global energy market. With the advent of green energy strategies, many of these firms are also adapting by investing in clean technology and sustainable practices to reduce their carbon footprint. This forward-thinking approach may well shape the future of this historically rich industry, fueling a sustainable and green future.


Top 22 oil and gas companies in Wyoming

1. M & K Oil Company, LLC

  • Website: mkoil.net
  • Headquarters: Gillette, Wyoming, United States
  • Founded: 1974
  • Headcount: 51-200
  • LinkedIn

M&K Oil Company is an oil and gas company operating in Northeast Wyoming since 1974. With over 40 years of experience and a team of knowledgeable employees, they efficiently and safely produce oil and gas. They offer services such as anchor testing and setting, hot oil trucks, roustabout service, work over rigs, downhole pump repair, and vac trucks.


2. R & R Services, Inc.

R&R Energy Services Inc. is a company offering top-notch oil and gas services, construction, and water hauling in the Rockies.


3. True Drilling

True Drilling LLC is a premier, private, family-owned contract drilling company specializing in oil and gas drilling in the Rocky Mountain region. With a fleet of state-of-the-art rigs, they offer drilling services for both vertical and horizontal wells up to depths of 25,000'.


4. Koltek Energy Services

  • Website: koltek.com
  • Headquarters: Casper, Wyoming, United States
  • Founded: 2011
  • Headcount: 51-200
  • LinkedIn

Koltek is an oil and gas service company that offers drilling rigs, well service rigs, and oilfield testing capabilities. They provide flexible terms and a broad range of capabilities to customize and adapt to their customers' projects. Koltek owns the land, drilling rigs, pulling units, and all directional equipment, allowing them to put together tailored packages to meet customers' needs. They also have engineers available for well design and project optimization.


5. SOS Well Services, LLC

SOS Well Services is a company that provides oil and gas well services in Wyoming and Nebraska. They offer a range of services including workover rigs, auxiliary equipment, and experienced local crews. The company is committed to safety, environmental protection, and supporting the community through initiatives such as wildlife protection and fundraising for the Wyoming Food Bank of the Rockies.


6. Rocky Mountain Oilfield Warehouse

  • Website: rmow.com
  • Headquarters: Casper, Wyoming, United States
  • Founded: 1954
  • Headcount: 11-50
  • LinkedIn

Rocky Mountain Oilfield Warehouse (RMOW) is a company that specializes in providing drilling equipment and services for the petroleum and gas industry. They offer a wide range of products and services including relief valve service and repair.


7. True Oil LLC

True Oil LLC is a family-owned exploration and production company operating mainly in the Rocky Mountain region and other countries. They work safely to increase reserves of oil and gas, optimize recovery of existing reserves, and uphold the good name and integrity of the True Family.


8. Nerd Gas Company, LLC

  • Website: nerdgas.com
  • Headquarters: Casper, Wyoming, United States
  • Founded: 1996
  • Headcount: 11-50
  • LinkedIn

Nerd Gas Company is building a natural gas-to-liquids (GTL) conversion facility in Wyoming utilizing a state-of-the-art modular design to convert natural gas into clean diesel and naphtha, reducing project capital costs and leveraging the price disparity between dry natural gas and liquid hydrocarbons.


9. Willow Branch Resources, LLC

Willow Branch Resources LLC is a geoscience consulting company specializing in the exploration and development of conventional and unconventional oil and gas resources. They provide geological interpretations, exploration and prospect generation, seismic interpretation, and other services.


10. Bridger Pipeline LLC

  • Website: truecos.com
  • Headquarters: Casper, Wyoming, United States
  • Founded: 1948
  • Headcount: 11-50
  • LinkedIn

True Companies is a family-owned investment and holding company that operates in various industries, including real estate, banking, oil and gas exploration, and transportation. They offer a range of products and services, such as personal and business banking, crude oil marketing, well drilling, and pipeline operations.


11. Petroleum Association of Wyoming

  • Website: pawyo.org
  • Headquarters: Casper, Wyoming, United States
  • Founded: 1910
  • Headcount: 1-10
  • LinkedIn

The Petroleum Association of Wyoming (PAW) is an organization that advocates for the oil and gas industry in Wyoming. They provide news, events, and resources for members in the industry.


12. Goolsby, Finley & Associates, LLC

TCF Services, Inc., an Encompass Energy Consulting Company, provides geologic, geophysical, petrophysical, GIS, data technology, project management, well design, drilling, completion, and surface facilities consulting and supervision services for the energy industry.


13. SST Energy Corporation

  • Website: sstenergy.com
  • Headquarters: Casper, Wyoming, United States
  • Founded: 1989
  • Headcount: 201-500
  • LinkedIn

SST Energy Corporation is a company providing energy solutions and services. They specialize in offering innovative and sustainable energy solutions to their customers.


14. Blackdiamond Exploration, LLC

We are a subsurface consultancy offering cutting-edge technologies for hydrocarbon exploration. We specialize in both clastic and carbonate sedimentology and stratigraphy, organic geochemistry, and AI/ML applications to geophysical workflows.


15. ADRM Software, Inc.

  • Website: adrm.com
  • Headquarters: Cheyenne, Wyoming, United States
  • Founded: 2009
  • Headcount: 1-10
  • Latest funding type: Acquired
  • LinkedIn

ADRM Software is the leading independent provider of large-scale industry-specific data models. ADRM’s data model products are used by large companies worldwide as information blueprints or roadmaps to accelerate and reduce risk in a variety of initiatives including digital transformation, intelligent data lakes and modern data warehouses (DW), analytics and business intelligence (BI), data governance (DG), enterprise information architecture, operational data hubs (ODH), master data management (MDM), virtualization layers and data fabrics, and rapidly populating a data catalog or business glossary with high quality business definitions, all while taking advantage of best practices and lessons learned by other similar organizations in their industry.


16. Mojo Geological Consulting LLC

Mojo Geological Consulting is a provider of geological evaluation, geosteering, and analytics services using state-of-the-art technology and years of experience to deliver exceptional results.


17. Encompass Energy Consulting

Encompass Energy Consulting provides engineering and geologic wellsite consulting services for the energy industry, including drilling, completions, workovers, production optimization, and facilities. They also provide well site supervision, project management, and data services.


18. Pathfinder Inspections & Field Services LLC

Pathfinder Inspections and Field Services is a non-destructive testing company that offers a wide range of inspection, field services, and equipment rentals. With over 35 years of experience, we prioritize the expertise and dedication of our team in providing unmatched safety, environmental compliance, and quality work. Our service areas include Wyoming, North Dakota, South Dakota, Montana, Colorado, Utah, Nebraska, New Mexico, and West Texas.


19. Blueprint Energy Partners

Blueprint Energy Partners is a company that provides a full line of cased-hole, open-hole, and thru-tubing tools for fishing, rental, and inspection services in Wyoming, Colorado, and North Dakota.


20. Centennial Classic Arms

Centennial Classic Arms is a premier producer of heirloom grade collectors firearms. Centennial Classic Arms is the best place to get beautifully engraved guns and rifles. Our guns and rifles are numbered limited editions available on a first come first serve basis. Due to the limited number of our special edition rifles we encourage you to bookmark our web site so you can return to see our changing selection of collectors grade guns and rifles.


21. Black Diamond Energy

Black Diamond Energy, Inc. is an industry leader in providing drilling programs. Black Diamond Energy, Inc. achieves stable growth while preserving the environment and respecting our landowners' property. Black Diamond Energy, Inc. is focused on accurate and timely reporting to our partners and land owners. Black Diamond Energy, Inc. is a significant natural gas developer in the coalbed methane play in the Powder River Basin of Wyoming. Please feel free to contact us at: Black Diamond Energy, Inc. 29 Stage Trail Road Buffalo, WY 82834 All Rights Reserved


22. Cyclone Drilling Inc

Cyclone Drilling, Inc. is a drilling contractor based in Wyoming, specializing in providing safe and high-performance drilling rigs to clients for over 40 years.


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