
Power Solutions International, Inc.
About
Power Solutions International, Inc.
PSIX
Power Solutions International, Inc. is a leading manufacturer of advanced engines and integrated power systems, with a focus on emission-certified and alternatively fueled solutions. The company specializes in designing, engineering, and producing powertrains that can operate on a broad array of fuels—including natural gas, propane, gasoline, diesel, and biofuels—addressing growing demand for cleaner and more flexible energy options. Its offerings cater to a diverse range of end markets, including power generation, industrial machinery, construction equipment, transportation, and rapidly expanding sectors such as data centers. Power Solutions International provides both standalone engines and fully packaged turnkey power systems, which incorporate components like cooling and electronic systems, enclosures, and fuel management technologies. The company’s products are widely used in stationary and mobile power applications, supporting solutions for standby, prime power, microgrids, and demand response scenarios worldwide. With extensive in-house capabilities for design, prototyping, engineering, and testing, Power Solutions International delivers tailored solutions for original equipment manufacturers and end users seeking reliable, high-performance, and environmentally responsible engine technologies. Founded in 1985 and headquartered in Wood Dale, Illinois, the company holds a significant position in the specialty industrial machinery sector and continues to innovate as global demand for clean power solutions grows.






