Frontier Oil Corporation and its subsidiaries engage in crude oil refining, and wholesale marketing of refined petroleum products. The company purchases crude oil to be refined, and markets the refined petroleum products, including various grades of gasoline, diesel fuel, jet fuel, asphalt, chemicals, and petroleum coke. It operates refineries in Cheyenne, Wyoming and El Dorado, Kansas with an oil capacity of approximately 162,000 barrels per day. The Cheyenne refinery markets its refined produc ...

Lyondell Chemical Company, through its subsidiaries, engages in the manufacture and sale of chemicals and plastics, production of fuel products, and refining of heavy and high-sulfur crude oil worldwide. It operates in four segments: Ethylene, Co-Products, and Derivatives (EC D); Propylene Oxide and Related Products (PO RP); Refining; and Inorganic Chemicals. The EC D segment produces ethylene; ethylene co-products, such as propylene, butadiene, and aromatics; and derivatives, including polyethy ...

Caterpillar, Inc. manufactures construction and mining equipment, diesel and natural gas engines, and industrial gas turbines. The company operates in three business lines: Machinery, Engines, and Financial Products. The Machinery business designs, manufactures, markets, and sells construction, mining, and forestry machinery, such as track and wheel tractors, track and wheel loaders, pipelayers, motor graders, wheel tractor-scrapers, track and wheel excavators, backhoe loaders, log skidders, log ...

At Terex, we are focused on producing quality capital equipment that delivers the productivity, return on investment and cost-effectiveness that today's value-conscious customers demand.

Terex markets more than 50 diverse and well-respected brands, which cover a broad range of equipment for the construction, infrastructure, quarrying, recycling, surface mining, shipping, transportation, refining, utility, and maintenance industries.

Headquarters for International Truck and Engine Corporation, a manufacturer and marketer of medium and heavy trucks and mid-range diesel engines.