Haven Steel

JACAM Chemicals is a laboratory that offers a range of testing services for the energy industry. The company is a part of JACAM Industries, which was founded in 1982 and provides several pharmaceutical solutions. JACAM Industries operates JACAM Manufacturing, which manufacturer of oilfield treating chemicals in a more than 16 acres of manufacturing facility. The company also owns and operates JACAM Carriers, which maintains a fleet of various delivery and semitrailer trucks. JACAM Industries also offers warehousing and international shipping services. The company provides acid stimulation additives, corrosion inhibitors, biosides, dispersants and emulsion breakers. JACAM Industries additionally offers clear coat sealants, liquid detergents and high-pressure foaming wax.

Frontier El Dorado Refining is a subsidiary of Frontier Oil Corporation. The company produces gasoline, diesel fuels, aviation fuels and asphalt. It is one of the largest refineries in Kansas. Frontier El Dorado Refining has the capability to process approximately 110,000 barrels of crude oil and nearly 15,000 barrels of natural gas liquids daily. Frontier Oil Corporation is an independent oil refining and marketing company. It has refineries in Wyoming and Kansas. Its primary products of gasoline, diesel and asphalt are marketed in the Rocky Mountain and Plains States. Frontier Oil Corporation sells most of its gasoline and diesel to unbranded jobbers, but also has supply arrangements to retail operations of other oil companies, such as CITGO Petroleum. Frontier El Dorado Refining is located in El Dorado, Kan.

Clydesdale frames Co. is a timber frame only company with in-house design services that builds custom timber frame homes and light commercial buildings.