Operational for more than 80 years, Caterpillar is one of the largest manufacturers of construction and mining equipment throughout the world. The company specializes in producing diesel and natural gas engines and industrial gas turbines. Its product line includes more than 300 machines and serves the capital goods industry. The company manufactures material handlers, motor graders, road reclaimers, scrapers, hydraulic excavators, wheel loaders and cold planers. Caterpillar also produces a variety of medium- and high-speed diesel engines. The company offers a range of work tools, including cutters, blades, brooms, compactors, grapples, hammers, shears and saws. Additionally, Caterpillar provides maintenance and support services.