48 Largest Companies in Wyoming

Wyoming is a state known for its natural beauty and wide-open spaces. With a population of just over half a million people, Wyoming is the least populous state in the United States.

Despite its small population, the state is home to some major companies that play a significant role in its economy.

From energy giants like Arch Coal and Cloud Peak Energy to financial institutions like First Interstate Bank and the Wyoming Community Bank, the largest companies in Wyoming cover a diverse range of industries.

In this article, we will explore the top companies that call Wyoming home and the impact they have on the state’s economy.

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1. Cloud Peak Energy Inc.

Background: Cloud Peak Energy Inc. is a coal mining company headquartered in Gillette, Wyoming.

Core Industries: Engaged in the exploration, development, and production of coal for power generation.

Achievements: One of the largest coal producers in the Powder River Basin, contributing to Wyoming’s energy sector.

2. Black Hills Corporation

Background: Black Hills Corporation is a utility company serving multiple states, with its headquarters in Rapid City, South Dakota, and significant operations in Wyoming.

Core Industries: Provides electric and natural gas utility services to residential and commercial customers.

Achievements: Plays a key role in supplying reliable energy services to communities across Wyoming.

3. Halliburton Energy Services

Background: Halliburton Energy Services is an oilfield services company with operations worldwide, including in Wyoming.

Core Industries: Offers a range of services for the exploration and production of oil and natural gas, including drilling, completion, and production enhancement.

Achievements: Provides innovative technologies and solutions to support the oil and gas industry in Wyoming’s energy-rich regions.

4. Arch Resources, Inc. (formerly Arch Coal)

Background: Arch Resources, Inc. is a coal mining company headquartered in St. Louis, Missouri, with significant operations in Wyoming.

Core Industries: Mines and sells coal for power generation and industrial use.

Achievements: One of the leading coal producers in the United States, contributing to Wyoming’s economy and energy production.

5. Peabody Energy Corporation

Background: Peabody Energy Corporation is a coal company with operations worldwide, including in Wyoming.

Core Industries: Engaged in coal mining and marketing, supplying coal to power plants and industrial customers.

Achievements: Known for its large-scale coal production and global presence in the energy industry.

6. Sinclair Oil Corporation

Background: Sinclair Oil Corporation is an American petroleum corporation with its headquarters in Salt Lake City, Utah, and refining operations in Wyoming.

Core Industries: Refining, marketing, and distributing petroleum products, including gasoline, diesel, and lubricants.

Achievements: Operates one of the largest refineries in Wyoming, supplying fuel to consumers and businesses in the region.

7. Ultra Petroleum Corp.

Background: Ultra Petroleum Corp. is an independent exploration and production company focused on natural gas, with operations in Wyoming’s Pinedale Anticline.

Core Industries: Engaged in the development and production of natural gas reserves.

Achievements: Known for its expertise in unconventional natural gas reservoirs, contributing to Wyoming’s natural gas production.

8. Maverick USA

Background: Maverick USA is a transportation and logistics company headquartered in North Little Rock, Arkansas, with operations including fuel distribution in Wyoming.

Core Industries: Provides transportation services, fuel distribution, and logistics solutions.

Achievements: Plays a role in fuel distribution and transportation infrastructure in Wyoming and neighboring states.

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9. Teton Gravity Research

Background: Teton Gravity Research is a multimedia action sports brand based in Jackson, Wyoming, specializing in skiing and snowboarding films and content.

Core Industries: Produces films, documentaries, and digital content focused on outdoor adventure sports.

Achievements: Recognized for its high-quality productions showcasing the outdoor lifestyle and culture of Wyoming and beyond.

10. First Interstate BancSystem

Background: First Interstate BancSystem is a financial services holding company headquartered in Billings, Montana, with banking operations in Wyoming.

Core Industries: Provides banking and financial services, including personal banking, business banking, and wealth management.

Achievements: Operates branches throughout Wyoming, serving individuals and businesses with banking solutions and financial expertise.

11. Blue Cross Blue Shield of Wyoming

Background: Blue Cross Blue Shield of Wyoming is a nonprofit health insurance company based in Cheyenne, Wyoming.

Core Industries: Offers health insurance plans and related services to individuals and businesses.

Achievements: Plays a significant role in providing access to healthcare coverage for residents of Wyoming.

12. Big Horn Tire Inc.

Background: Big Horn Tire Inc. is a tire retailer and automotive service provider with locations across Wyoming.

Core Industries: Sells tires and provides automotive services such as tire installation, repair, and maintenance.

Achievements: Known for its wide selection of tires and reliable automotive services, serving customers across the state.

13. L&H Industrial

Background: L&H Industrial is a heavy equipment manufacturer and service provider based in Gillette, Wyoming.

Core Industries: Specializes in the design, engineering, and manufacturing of heavy equipment components and replacement parts.

Achievements: Provides innovative solutions and high-quality products for the mining and construction industries.

14. Wyoming Machinery Company

Background: Wyoming Machinery Company is a heavy equipment dealer with locations throughout Wyoming.

Core Industries: Sells, rents, and services construction, mining, and agricultural equipment.

Achievements: Supplies equipment solutions and support for various industries across the state.

15. Silver Star Communications

Background: Silver Star Communications is a telecommunications company providing internet, phone, and TV services in Wyoming.

Core Industries: Offers broadband internet, voice, and television services to residential and business customers.

Achievements: Known for its reliable telecommunications infrastructure, serving rural communities in Wyoming.

16. Cloud Peak Energy Resources LLC

Background: Cloud Peak Energy Resources LLC is a subsidiary of Cloud Peak Energy Inc., engaged in coal mining operations in Wyoming.

Core Industries: Mines and markets coal for use in power generation and industrial applications.

Achievements: Contributes to Wyoming’s coal production and energy sector, supporting local economies.

17. Jonah Energy LLC

Background: Jonah Energy LLC is an independent oil and gas company with operations in Wyoming’s Jonah Field.

Core Industries: Engaged in the exploration, development, and production of oil and natural gas reserves.

Achievements: Known for its focus on responsible energy development and operational excellence in Wyoming’s energy-rich regions.

18. True Oil LLC

Background: True Oil LLC is an independent oil and gas exploration and production company with operations in Wyoming.

Core Industries: Explores, develops, and produces oil and natural gas resources.

Achievements: Contributes to Wyoming’s energy industry through responsible resource development and operational efficiency.

19. PacifiCorp Energy

Background: PacifiCorp Energy is a utility company operating in multiple states, including Wyoming, where it generates and distributes electricity.

Core Industries: Generates and delivers electricity to customers in Wyoming and other western states.

Achievements: Provides reliable electricity service and supports the transition to cleaner energy sources in Wyoming.

20. Kennecott Uranium Company

Background: Kennecott Uranium Company is a subsidiary of Rio Tinto Group, engaged in uranium mining in Wyoming’s Powder River Basin.

Core Industries: Mines and processes uranium ore for use in nuclear power generation and other applications.

Achievements: Contributes to Wyoming’s uranium production and supports the nuclear energy industry.

21. Jackson Hole Mountain Resort

Background: Jackson Hole Mountain Resort is a popular ski resort located in Teton Village, Wyoming.

Core Industries: Offers skiing, snowboarding, and other winter sports activities, as well as lodging, dining, and retail services.

Achievements: Known for its challenging terrain, stunning views of the Teton Range, and world-class amenities, attracting visitors from around the globe.

22. RIVERTON MOTORS

Background: RIVERTON MOTORS is an automotive dealership based in Riverton, Wyoming, offering new and used vehicle sales, as well as automotive services.

Core Industries: Provides sales, financing, and service for a variety of automotive brands.

Achievements: Known for its commitment to customer satisfaction and quality automotive products and services in the Riverton area.

23. Power Service, Inc.

Background: Power Service, Inc. is a manufacturer of diesel fuel additives and related products, with its headquarters in Weatherford, Texas, and a production facility in Wyoming.

Core Industries: Produces diesel fuel additives and other products to improve fuel performance and protect engines.

Achievements: Offers innovative solutions for diesel fuel treatment, ensuring optimal engine performance and reliability in Wyoming and beyond.

24. Maverik Inc.

Background: Maverik Inc. is a convenience store chain with locations across the western United States, including Wyoming.

Core Industries: Operates convenience stores offering fuel, snacks, beverages, and other convenience items.

Achievements: Known for its adventurous spirit, Maverik provides convenience and fuel services to travelers and local communities in Wyoming.

25. FCI Constructors, Inc.

Background: FCI Constructors, Inc. is a construction management and general contracting company based in Frederick, Colorado, with a presence in Wyoming.

Core Industries: Provides construction services for commercial, industrial, and public projects.

Achievements: Known for its expertise in construction management, FCI Constructors delivers high-quality projects on time and within budget in Wyoming and the Rocky Mountain region.

26. Union Wireless

Background: Union Wireless is a telecommunications company providing wireless services in Wyoming and surrounding areas.

Core Industries: Offers wireless voice, data, and broadband services to residential and business customers.

Achievements: Provides reliable telecommunications coverage and connectivity to rural communities in Wyoming, enhancing communication and economic development.

27. Basic Energy Services

Background: Basic Energy Services is an oilfield services company operating in several states, including Wyoming.

Core Industries: Provides well site services, including drilling, completion, and production services, to oil and gas operators.

Achievements: Supports oil and gas production activities in Wyoming through a range of essential services, contributing to energy development in the state.

28. Sinclair Broadcast Group

Background: Sinclair Broadcast Group is a diversified media company headquartered in Hunt Valley, Maryland, with television stations and broadcast operations in Wyoming.

Core Industries: Owns and operates television stations, providing local news, sports, and entertainment programming.

Achievements: Delivers news and information to viewers in Wyoming, serving as a vital source of local news and community engagement.

29. Sierra Trading Post

Background: Sierra Trading Post is an online and catalog retailer offering discounted outdoor gear, apparel, and home goods, headquartered in Cheyenne, Wyoming.

Core Industries: Sells outdoor gear, clothing, and home goods from top brands at discounted prices.

Achievements: Provides value-conscious shoppers with high-quality outdoor products and exceptional customer service from its Wyoming headquarters.

30. Granite Peak Development, LLC

Background: Granite Peak Development, LLC is a real estate development company based in Jackson, Wyoming, specializing in luxury residential and commercial properties.

Core Industries: Develops and manages luxury real estate projects, including residential communities, commercial properties, and resort developments.

Achievements: Known for its upscale developments and commitment to quality and sustainability in real estate development in Wyoming’s resort communities.

31. Legacy Development

Background: Legacy Development is a real estate development and investment company based in Cheyenne, Wyoming.

Core Industries: Specializes in the development, acquisition, and management of commercial real estate properties.

Achievements: Known for its innovative projects and contributions to the economic growth of communities in Wyoming.

32. Genesis Alkali

Background: Genesis Alkali, formerly known as OCI Chemical Corporation, is a leading producer of natural soda ash, headquartered in Green River, Wyoming.

Core Industries: Produces and distributes natural soda ash and related products for various industrial applications.

Achievements: Supplies high-quality soda ash to industries worldwide, supporting sectors such as glass manufacturing, detergents, and chemicals.

33. Hi-Tech Interiors, Inc.

Background: Hi-Tech Interiors, Inc. is a commercial interior contracting company based in Casper, Wyoming.

Core Industries: Specializes in interior construction, including drywall, ceilings, flooring, and finishes, for commercial projects.

Achievements: Provides high-quality interior solutions and craftsmanship for commercial construction projects across Wyoming.

34. Pinedale Natural Gas Anticline Project Office

Background: The Pinedale Natural Gas Anticline Project Office is a regulatory agency overseeing natural gas development in the Pinedale Anticline area of western Wyoming.

Core Industries: Regulates natural gas exploration, development, and production activities to ensure compliance with environmental and land use regulations.

Achievements: Manages natural gas development responsibly, balancing energy production with environmental protection and wildlife habitat preservation.

35. Myriad Global Media

Background: Myriad Global Media is a multimedia production company based in Jackson, Wyoming, specializing in outdoor adventure films and content creation.

Core Industries: Produces and distributes films, documentaries, and digital content focused on outdoor adventure sports and nature.

Achievements: Showcases the beauty and excitement of outdoor recreation in Wyoming through captivating storytelling and visual imagery.

36. Riverside Garage Inc

Background: Riverside Garage Inc. is an automotive dealership and service center located in Green River, Wyoming.

Core Industries: Offers new and used vehicle sales, automotive service, and parts sales for various vehicle brands.

Achievements: Provides quality vehicles and automotive services to customers in the Green River area, contributing to local transportation needs.

37. Maven Industries, Inc.

Background: Maven Industries, Inc. is an oilfield services company based in Rock Springs, Wyoming, providing a range of services to support oil and gas operations.

Core Industries: Offers well servicing, wireline, and other oilfield services to oil and gas operators.

Achievements: Supports energy production in Wyoming through reliable and efficient oilfield services, contributing to the state’s economy and energy sector.

38. Western Wyoming Beverages

Background: Western Wyoming Beverages is a beverage distribution company based in Rock Springs, Wyoming, serving retail and hospitality customers.

Core Industries: Distributes a wide range of beverages, including alcoholic and non-alcoholic drinks, to retail stores, restaurants, and bars.

Achievements: Provides a diverse selection of beverages and exceptional customer service to businesses and consumers in Western Wyoming.

39. Bailey Enterprises

Background: Bailey Enterprises is a construction company based in Sheridan, Wyoming, specializing in commercial and residential construction projects.

Core Industries: Offers general contracting, construction management, and design-build services for construction projects.

Achievements: Known for its expertise, integrity, and commitment to quality construction projects in Wyoming.

40. D&D Transportation Services

Background: D&D Transportation Services is a transportation company based in Casper, Wyoming, providing freight transportation and logistics solutions.

Core Industries: Offers freight hauling, logistics management, and warehousing services for various industries.

Achievements: Delivers reliable and efficient transportation solutions to businesses in Wyoming, facilitating the movement of goods and materials.

41. Sprague Resources LP

Background: Sprague Resources LP is a supplier of energy and materials handling services with operations in various states, including Wyoming.

Core Industries: Provides energy products such as refined petroleum products, natural gas, and materials handling services.

Achievements: Offers reliable energy solutions and materials handling services to customers in Wyoming, supporting various industries and sectors.

42. Roundup Refining

Background: Roundup Refining is a petroleum refining company based in Newcastle, Wyoming.

Core Industries: Engaged in refining crude oil into petroleum products such as gasoline, diesel, and jet fuel.

Achievements: Provides essential petroleum products to consumers and businesses in Wyoming and the surrounding region, supporting transportation and industry.

43. Roadrunner Recycling, Inc.

Background: Roadrunner Recycling, Inc. is a recycling and waste management company based in Cheyenne, Wyoming.

Core Industries: Offers recycling services for various materials, including paper, plastics, metals, and electronics.

Achievements: Promotes environmental sustainability and waste reduction efforts in Wyoming through recycling programs and services.

44. LodgeCorp

Background: LodgeCorp is a hospitality company specializing in hotel and resort management, with properties in Wyoming.

Core Industries: Manages hotels, resorts, and vacation properties, offering lodging, dining, and recreational amenities.

Achievements: Provides memorable hospitality experiences to guests visiting Wyoming’s scenic destinations, contributing to tourism and local economies.

45. Environmental Testing Solutions

Background: Environmental Testing Solutions is an environmental testing laboratory based in Cheyenne, Wyoming.

Core Industries: Provides environmental testing services, including water quality analysis, air quality monitoring, and soil testing.

Achievements: Supports environmental protection and compliance efforts in Wyoming by offering accurate and reliable testing services to government agencies, businesses, and individuals.

46. Upper Green River Valley Coalition

Background: The Upper Green River Valley Coalition is a nonprofit organization based in Pinedale, Wyoming, focused on conservation and community stewardship.

Core Industries: Works to protect and preserve the natural resources, wildlife habitat, and scenic beauty of the Upper Green River Valley.

Achievements: Engages stakeholders and advocates for responsible land management practices, sustainable development, and conservation initiatives in Wyoming.

47. Geo Tek Inc

Background: Geo Tek Inc. is a geotechnical engineering and consulting firm based in Laramie, Wyoming.

Core Industries: Provides geotechnical engineering, environmental consulting, and construction materials testing services.

Achievements: Offers expertise and solutions for infrastructure projects, land development, and environmental assessments in Wyoming and the Rocky Mountain region.

48. Western Data

Background: Western Data is an information technology company providing IT services and solutions to businesses in Wyoming and surrounding areas.

Core Industries: Offers managed IT services, cybersecurity solutions, cloud computing, and data management services.

Achievements: Supports businesses in Wyoming with reliable and secure IT infrastructure and technology solutions to enhance productivity and efficiency.

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Conclusion

Wyoming’s business landscape encompasses a diverse array of industries, including energy, hospitality, construction, environmental services, and technology.

These companies, ranging from energy giants to local businesses and nonprofits, play vital roles in driving economic growth, providing essential services, and fostering community development.

From supporting the state’s energy production to promoting tourism, environmental stewardship, and innovation, Wyoming’s businesses contribute to its unique identity and prosperity.

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