Power Solutions International, Inc. (PSIX) vs Willdan Group, Inc. (WLDN)

A side-by-side comparison of Power Solutions International, Inc. and Willdan Group, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of October 6, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total return — PSIX vs WLDN

growth of $100 · dividends reinvested · last 10y
PSIX +312.8% (+15.2%/yr)WLDN +312.9% (+15.2%/yr)WLDN compounded faster over this window
02004006008001kStart $10020182020202220242026$413$413
PSIX WLDN

PSIX vs WLDN: by the numbers

  • •WLDN is the larger company ($1.12B vs $1.10B market cap).
  • •PSIX trades at the lower trailing earnings multiple (16.25 vs 17.35 P/E), one valuation lens rather than an overall verdict.
  • •PSIX converts more revenue to profit (10.03% vs 8.80% net margin).
  • •WLDN grew revenue faster over the past five years (15.26% vs 9.42% CAGR).

Metrics side by side

Valuation

MetricPSIXWLDN
P/E ratio16.2517.35
Forward P/E16.3814.46
P/S ratio1.631.51
P/B ratio5.443.19
EV / EBITDA12.2114.78
FCF yield6.07%5.58%

Profitability

MetricPSIXWLDN
Gross margin23.73%37.79%
Operating margin13.00%7.05%
Net margin10.03%8.80%
ROE33.41%18.63%
ROIC21.64%11.87%

Growth (annualized)

MetricPSIXWLDN
Revenue CAGR (5Y)9.42%15.26%
FCF CAGR (5Y)N/A39.35%
Total return CAGR (5Y)58.06%17.27%

Frequently asked

Which has the lower trailing P/E, PSIX or WLDN?
PSIX has the lower trailing P/E: PSIX trades at 16.25 and WLDN at 17.35. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, PSIX or WLDN?
Over the past five years, WLDN grew revenue faster — PSIX at a 9.42% CAGR versus WLDN at 15.26%.
Is PSIX or WLDN more profitable?
PSIX runs the higher net margin — PSIX at 10.03% versus WLDN at 8.80%.
How have PSIX and WLDN total returns compared?
Over the past 10 years, PSIX delivered 15.10% and WLDN delivered 14.86% annualized total return. Past performance doesn't predict future results.

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified October 6, 2026.