"Power Solutions International, Inc. designs, develops, manufactures, distributes, and supports various power systems for original equipment manufacturers (OEM) of off-highway industrial equipment North America, Asia, and Europe. It provides spark-ignited water-cooled internal combustion engines; power take off clutch assemblies for industrial applications; engine packaging, subsystems, kits, and componentry related to cooling systems, electronic systems, air intake systems, fuel systems, housings and power takeoff systems, exhaust systems, hydraulic systems, and enclosures; and service parts. The company also distributes Perkins and Caterpillar diesel power systems. It serves various markets, such as power generation, oil and gas, material handling, aerial work platforms, sweepers, arbor, welding, airport ground support, agricultural, turf, construction, and irrigation. The company was founded in 1985 and is headquartered in Wood Dale, Illinois."