NN, Inc. (NNBR) vs Perma-Fix Environmental Services, Inc. (PESI)

A side-by-side comparison of NN, Inc. and Perma-Fix Environmental Services, 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 — NNBR vs PESI

growth of $100 · dividends reinvested · last 10y
NNBR -74.5% (-12.8%/yr)PESI +212.9% (+12.1%/yr)PESI compounded faster over this window
Log scale — wide-divergence pair
1101001kStart $10020182020202220242026$26$313
NNBR PESI

NNBR vs PESI: by the numbers

  • •NNBR is the larger company ($335M vs $332M market cap).
  • •Both run net losses; NNBR's is the smaller (-7.15% vs -37.04% net margin).
  • •Both shrank revenue over the past five years; NNBR's decline was smaller (-1.14% vs -10.18% CAGR).

Metrics side by side

Valuation

MetricNNBRPESI
Forward P/E32.88N/A
P/S ratio0.735.80
P/B ratioN/A5.69
EV / EBITDA22.72N/A
FCF yield2.39%N/A

Profitability

MetricNNBRPESI
Gross margin12.98%9.59%
Operating margin-3.01%-19.03%
Net margin-7.15%-37.04%
ROE-153.66%-36.31%
ROIC-3.87%-25.42%

Growth (annualized)

MetricNNBRPESI
Revenue CAGR (5Y)-1.14%-10.18%
Total return CAGR (5Y)-4.40%17.15%

Frequently asked

Which has grown faster, NNBR or PESI?
Neither grew: over the past five years both shrank revenue, with NNBR's decline the smaller — NNBR at a -1.14% CAGR versus PESI at -10.18%.
How have NNBR and PESI total returns compared?
Over the past 10 years, NNBR delivered -13.73% and PESI delivered 11.56% 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.