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PSIXPower Solutions International, Inc.

SEC Filings

Filing links are provided when reliable SEC filing data is available.

Recent Filings

FormFiling DateAcceptedDocument
DEFA14AJun 9, 2026Jun 9, 2026View filing
DEF 14AJun 9, 2026Jun 9, 2026View filing
SC 13GMay 22, 2026May 22, 2026View filing
SDMay 20, 2026May 20, 2026View filing
8-KMay 13, 2026May 13, 2026View filing
8-KMay 11, 2026May 11, 2026View filing
10-QMay 11, 2026May 11, 2026View filing
10-K/AApr 30, 2026Apr 30, 2026View filing
4Apr 17, 2026Apr 17, 2026View filing
4Apr 17, 2026Apr 17, 2026View filing
8-KMar 13, 2026Mar 13, 2026View filing
8-KMar 11, 2026Mar 10, 2026View filing
8-KMar 2, 2026Mar 2, 2026View filing
10-KMar 2, 2026Mar 2, 2026View filing
8-KMar 2, 2026Mar 2, 2026View filing
4Feb 17, 2026Feb 17, 2026View filing
3Jan 6, 2026Jan 6, 2026View filing
3Jan 6, 2026Jan 6, 2026View filing
4Dec 12, 2025Dec 12, 2025View filing
4Dec 12, 2025Dec 12, 2025View filing
4Dec 12, 2025Dec 12, 2025View filing
4Dec 12, 2025Dec 12, 2025View filing
8-KNov 6, 2025Nov 6, 2025View filing
10-QNov 6, 2025Nov 6, 2025View filing
8-KOct 14, 2025Oct 14, 2025View filing
144/ASep 29, 2025Sep 29, 2025View filing
144Sep 29, 2025Sep 29, 2025View filing
3/ASep 24, 2025Sep 24, 2025View filing
3Sep 24, 2025Sep 24, 2025View filing
144Sep 23, 2025Sep 23, 2025View filing

About Power Solutions International, Inc.

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. Its product range extends to basic engine blocks, equipped with integrated fuel system components, as well as comprehensive, pre-packaged power systems. These complete units include a wide array of integrated parts such as front accessory drives, cooling mechanisms, electronic controls, air intake and fuel delivery systems, protective housings, power takeoff (PTO) systems, exhaust systems, hydraulic components, enclosures, mounting brackets, hoses, tubes, packaging, and telematics. PSIX produces both compression and spark-ignited internal combustion engines capable of running on diverse fuels like natural gas, propane, gasoline, diesel, and various biofuels. These engines are deployed across the energy, industrial, and transportation markets. The applications for the company's power solutions are extensive. In the power generation sphere, they support standby and prime power, demand response, microgrid systems, renewable energy resilience, and combined heat and power facilities. Industrial uses encompass arbor equipment (e.g., wood chippers, stump grinders), material handling (forklifts), facility maintenance (sweepers/industrial scrubbers, ice resurfacing equipment), aerial lift platforms, irrigation pumps, and a range of oil and gas operations including compression, lifts, and pump jacks, alongside off-road utility vehicles and ground support equipment. Within the transportation sector, PSIX caters to light and medium-duty vocational trucks and vans, school and transit buses, and terminal and utility tractors. Power Solutions International, Inc. also holds a strategic collaboration agreement with Weichai Power Co., Ltd. The company was founded in 1985 and its headquarters are located in Wood Dale, Illinois.

Wood Dale, IL
700 employees
Industrials / Industrial - Machinery
Sector
Industrials
Industry
Industrial - Machinery
CEO
Constantine Xykis