Stewart & Stevenson designs, manufactures and markets a range of specialized equipment and aftermarket parts. It has been serving clients in the oil and gas industry for more than 100 years. The company offers a variety of equipment for several applications, such as drilling, coiled tubing, cementing and nitrogen pumping. It also provides a selection of power generation and electrical systems. In addition, Stewart & Stevenson offers transmission and material handling equipment. The company has been in operation since 1902. It also serves clients in the power generation, marine, construction, mining, agriculture and transportation industries. The company offers compressors, generator systems, forklifts and railcar movers on a rental basis. Stewart & Stevenson maintains over 50 locations.