Power Solutions International, Inc. has grown revenue 11% a year over three years and 9.4% a year over five, with earnings per share compounding at 44%. Revenue growth, 3-year annual rate: +11% (Specialty Industrial Machinery median +7.7%). Revenue growth, 5-year rate: +9.4%, growth has picked up over the last three years. Earnings per share, 3-year rate: +44%, earnings outgrew revenue: margins or the share count worked for shareholders. Years of annual history on file: 17, FY2009 to FY2025, as filed.

PSIXPower Solutions International, Inc.

Industrials

$48.51-42% 1Y

$48.51

$25.4352 weeks$98.77

Is it growing?

Mixed

Neither accelerating nor breaking down: revenue growing +13% year on year, but earnings down −39% year on year and operating margin narrowing (−4.4 points).

1 good, 2 to watch

Revenue trend+13% in a year

Trailing-twelve-month revenue vs a year earlier, from the company's own filings. Five-year pace: +9% a year.

Earnings trend−39% in a year

Trailing-twelve-month earnings per share against a year earlier. Growing slower than revenue, so the growth is costing something.

Margin direction−4.4 points operating

Trailing-twelve-month operating margin, 12.8% now against 17.2% a year earlier.

All from SEC EDGAR, as of Jun 30, 2026.

Where this answer is blind. These are trailing numbers from the filings, not forecasts: an acquisition or a one-off year can flatter them, so check the quarters.

Is PSIX growing?

Power Solutions International, Inc. has grown revenue 11% a year over three years and 9.4% a year over five, with earnings per share compounding at 44%.

+11%

Revenue growth, 3-year annual rate · Specialty Industrial Machinery median +7.7% · steady growth, ahead of inflation · compounded from trailing twelve-month revenue

Revenue growth, 5-year rate: +9.4%
Revenue growth, 5-year rate · +11% over three · growth has picked up over the last three years
Earnings per share, 3-year rate: +44%
Earnings per share, 3-year rate · revenue +11% · earnings outgrew revenue: margins or the share count worked for shareholders
Years of annual history on file: 17
Years of annual history on file · FY2009 to FY2025, as filed