Top Tulsa, OK Energy Companies (50)

Since 1979, Zeeco is the trusted worldwide source for the design and manufacturing of combustion and environmental solutions for the refining, petrochemical, production, power and pharmaceutical industries. Beginning as a small operation, Zeeco focused on the ideas of expertise, innovation, and reliability that today are the company’s foundation of success. ZEECO® product lines include next generation ultra-low emission burners, gas...

Koch, Inc. is an American multinational conglomerate corporation based in Wichita, Kansas. Its subsidiaries are involved in diverse industries including petroleum refining, chemicals, energy, forest and consumer products, fertilizers, polymers and fibers, electronic components, commodity trading, minerals, glass, and investments.

Sulzer Ltd. is a global leader in fluid engineering and chemical processing applications, specializing in energy-efficient pumping, agitation, mixing, separation, and purification technologies for fluids of all types. The company provides critical applications for core infrastructure and large essential industries worldwide, supporting energy security and process efficiency. Its innovative solutions enable carbon emission reductions and the development of sustainable polymers,...

Get new oilfield tools and chemicals delivered directly to your door from Baker Hughes. Frac plugs, packers, setting tools, drill bits and much more.

Freese and Nichols, Inc. is a professional planning, consulting and engineering firm serving clients across the Southwest and Southeast United States. With client service and continuous improvement in mind, Freese and Nichols plans, designs and manages sustainable water and infrastructure projects. It is the first engineering/architecture firm to receive the Malcolm Baldrige National Quality Award.

Audubon Companies is a leading provider of EPC, field, fabrication, and technical services for energy, power, and industrial markets.

Core Laboratories is a leading provider of proprietary and patented Reservoir Description and Production Enhancement services. Core Laboratories remains dedicated to providing the technology you need to enhance your production. We continue to develop and acquire technologies that complement our existing products and services, and we disseminate these technologies throughout our global network. With over 70 offices in more than...

Webco Industries is a leading North American manufacturer and distributor of high-quality carbon, stainless steel, and other specialty tubular products. Founded in 1969, the company provides innovative tubing solutions through its strategic network of manufacturing and distribution facilities located in Oklahoma, Texas, Michigan, Illinois, and Pennsylvania, serving various industrial sectors including oil and gas.

We are a leading midstream operator that provides gathering, processing, fractionation, transportation and storage services. Through our more than 50,000-mile pipeline network, we transport the natural gas, natural gas liquids (NGLs), refined products and crude that help meet domestic and international energy demand, contribute to energy security and provide safe, reliable and responsible energy solutions needed today and into the...

Our team at American Electric Power is committed to improving our customers' lives with reliable, affordable power. We are investing $54 billion from 2025 through 2029 to enhance service for customers and support the growing energy needs of our communities. Our nearly 16,000 employees operate and maintain the nation's largest electric transmission system with 40,000 line miles, along with more...

HOLT Group is a family-owned, values-driven enterprise headquartered in San Antonio, Texas, with a legacy spanning nearly a century. It operates as a powerhouse across several sectors, including heavy machinery, construction, energy, technology, and training. As the owner of the nation's largest Caterpillar dealership, HOLT CAT, the company excels in selling, servicing, and renting industrial equipment while prioritizing a people-first,...

Founded in 1985, ENGlobal (NASDAQ: ENG) is a specialty engineering services firm that focuses on automation solutions and select EPCM projects for the energy industry and markets throughout the world. Our Automation segment specializes in integrated services related to the design, fabrication and implementation of advanced automation, control, instrumentation and process analytical systems. The EPCM segment provides consulting services for...

Kirby-Smith Machinery, Inc. is a leading distributor of heavy equipment and cranes in the central United States, serving the construction, mining, and industrial markets since 1983. As a full-service dealer, the company provides new, used, and rental industrial, road building, and construction equipment, including cranes, excavators, and dozers, while focusing on reliability and exceptional service for its clients.

Since 1920, H&P has been the industry’s most trusted partner in U.S. land, international and offshore drilling productivity and reliability. Using cutting edge rig technologies and drilling solutions; we’re building upon a century of success while continuing to improve reliability, safety and efficiency for our customers.

Integrated Service Company (InServ) is a versatile energy services and industrial construction general contractor based in the United States. Serving markets such as petrochemical, refining, mining, renewables, and agribusiness, the company provides a comprehensive range of services, including field services, construction, manufacturing, tank services, and project management, all while operating with a strong commitment to a zero-incident safety environment.

United Petroleum Transports (UPT) is a leading bulk tank truck carrier in North America, founded in 1966. The company specializes in the safe and reliable transport of motor fuels, aviation fuels, and chemicals, serving large oil companies, airports, and petroleum marketers. Utilizing a fleet of trucks and trailers, UPT provides essential transportation services to the energy and chemical markets throughout...

Imperium Utility Services LLC is a leading electric distribution company that provides powerline services, including overhead and underground distribution, engineering, and technical services to utility, government, and industrial partners.

Schlumberger is a supplier of technology, integrated project management, and information solutions. Schlumberger is a technology company that partners with customers to access energy. Our people, representing over 160 nationalities, are providing leading digital solutions and deploying innovative technologies to enable performance and sustainability for the global energy industry. With expertise in more than 120 countries, we collaborate to create technology...

Southwest Electric Co., a division of SGB-SMIT Group, is a leading manufacturer and service provider of electrical equipment and custom transformers. The company specializes in electrical components and services for the oil and gas, utilities, wind power, and data center sectors, supporting the energy transition with reliable solutions for urban energy infrastructure and providing a stable, sustainable energy supply for...

Olsson is an engineering and design firm delivering infrastructure solutions that improve communities through expertise, collaboration, and innovation. Olsson offers expertise in client advisory services, engineering & design, environmental, field services, and planning. The firm serves clients across many sectors, including buildings & facilities, community infrastructure, data centers, energy, federal, industrial & manufacturing, telecommunications, transportation, and water.