The company is registered as a cleantech manufacturer and supplier. Its power solutions are used in on-road engines and in industrial vehicles. As an engine supplier, Power Solutions International offers a comprehensive line of low-emission and fuel-flexible engines that range from .97 liters to 22 liters of displacement. Boasting its lean manufacturing and stringent quality controls, the company is able to produce engines that are of the highest quality at a very competitive cost. It supplies exhaust systems, power takeoff systems, enclosures, hydraulic systems and fuel systems that are incorporated into the applications of OEMs.
It is in Wood Dale, Illinois that the company holds its headquarters. Founded in 1985, the business remains to publicly trade its common stocks on the NASDAQ, under the symbol PSIX.