Power Solutions International, Inc. (PSIX) is a global entity operating across the United States, North America, the Pacific Rim, and Europe, specializing in the engineering, manufacturing, marketing, and sale of sophisticated engines and power systems. The company offers alternative-fuel power solutions designed for original equipment manufacturers (OEMs) in both off-highway industrial sectors and on-road vehicle markets. Additionally, PSIX develops large-scale, custom-engineered electrical power generation systems.