Power Solutions International, Inc.
Power Solutions International, Inc. (Nasdaq: PSIX) designs, engineers, manufactures, markets and sells emission-certified engines and power systems for power generation, industrial and transportation applications. Its products run on natural gas, propane, biofuels, gasoline or diesel and range from engine blocks to… From the company’s description.
Over the twelve months to Sep 30, 2026, Power Solutions International, Inc. reported revenue of $674.43M, down 0.2% from a year earlier, and net income of $70.17M. Its operating margin was 14.9%, and operations generated $111.99M in cash. In fiscal 2025, it reported revenue of $722.40M, up 51.8% from fiscal 2024, and net income of $113.99M.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Power Solutions International, Inc. does
In the company’s own words
Power Solutions International, Inc. (Nasdaq: PSIX) designs, engineers, manufactures, markets and sells emission-certified engines and power systems for power generation, industrial and transportation applications. Its products run on natural gas, propane, biofuels, gasoline or diesel and range from engine blocks to fully packaged power systems and custom electrical generation systems. Customers are primarily global original equipment manufacturers and direct end users, with applications including standby and prime power, microgrids, data centers, forklifts, agricultural and construction equipment, pumps, compressors, trucks and buses. The company also provides aftermarket service parts, technical support and warranty services. It operates as one reportable segment and combines internally designed and manufactured products with sourced engines and components. In fiscal 2025, approximately 1,000 full-time employees supported its operations, and about 74% of engines sold ran on propane or natural gas. Its website is http://www.psiengines.com.
Company details
- Sector
- Industrials
- Industry (SIC)
- Industrial Machinery
- Headquarters
- WOOD DALE, IL
- Fiscal year end
- December
- CIK
- 1137091
- SIC
- 3510
Financial performance, year by year
Fiscal 2011–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Power Solutions International, Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Power Solutions International, Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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