Power Solutions International, Inc. PSIX

Company Overview

Power Solutions International, Inc. (NASDAQ: PSIX) is a U.S.-based manufacturer and designer of emissions-certified power systems and industrial engines used across the power generation, industrial, transportation, and oil and gas sectors. The company develops and integrates engines that operate on a range of fuels, including natural gas, propane, gasoline, and diesel, with a significant focus on alternative-fuel and low-emissions applications. PSIX primarily serves original equipment manufacturers (OEMs), distributors, and industrial customers that require customized powertrain solutions for stationary and mobile equipment.

The company’s primary revenue drivers include the sale of engines and integrated power systems for standby and prime power generation, forklifts and material handling equipment, transportation applications, and industrial machinery. PSIX has positioned itself around fuel-flexible technologies and regulatory-compliant engine platforms that address increasingly stringent emissions standards. The company traces its origins to 1985 and evolved from a niche industrial engine business into a broader energy and power systems provider through internal product development and strategic partnerships with major OEM customers.