Perma Fix Environmental Services PESI

NASDAQ PESI
$12.06 -0.25 (-2.03%)
At close: Oct 19, 2026 · 4:00 PM EDT

Perma Fix Environmental Services (PESI) stock price is $12.06, down 2.03% on the day, as of Oct 19, 2026. It has a market cap of $240.26Mn, and is classified in the Hazardous Waste industry (Industrials sector).

Key Stats
Market Cap240.26 Mn
P/E-11.34
P/S4.20
Div. Yield0.00
Total Debt (Qtr)1.98 Mn
Revenue Growth (1y) (Qtr)-11.66
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About

Perma-Fix Environmental Services, Inc. is a nuclear services company and a leading provider of nuclear and mixed waste management services. The firm treats and manages radioactive and mixed waste, which includes hazardous materials combined with low level radioactive waste. Its nuclear services group offers project management, environmental restoration, decontamination and decommissioning, new build construction, and radiological protection, safety, and industrial hygiene…

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Sector: Industrials Sector rationale The company provides environmental services, specifically the treatment, processing, and disposal of nuclear and hazardous waste, as well as technical consulting and decontamination services. These activities fall under 'Environmental Services' and 'Hazardous Waste' within the Industrials sector, serving business and government customers like the U.S. Department of Energy. Industries: Hazardous Waste Hazardous Waste Primary Perma-Fix operates four licensed facilities for the processing, storage, and disposal of nuclear, low-level radioactive, mixed, and hazardous waste. Its Treatment Segment earns fees specifically for handling these regulated waste streams for customers like the U.S. Department of Energy. Environmental Services Environmental Services Secondary The company's Services Segment provides technical consulting, radiological measurements, health physics, and environmental restoration services. These activities constitute environmental engineering and regulatory compliance support sold as professional services. Classified using BQ-MICS CIK: 0000891532

Geographical Breakdown of Revenue (2025)

History

Customer Breakdown of Revenue (2025)

History
Peer percentiles

How Perma Fix Environmental Services ranks

Ranked against the 17 companies in Waste Management58 metrics · as of Oct 16, 2026

Valuation

12 metrics · Lower multiples rank higher; a negative multiple ranks last
  • P/ENegative earnings −12.4xMedian 32.3x 38th
  • P/FCFNegative free cash flow −13.0xMedian 17.3x 20th
  • P/Operating cash flowNegative operating cash flow −17.6xMedian 12.2x 23rd
  • P/S 4.93xMedian 2.77x 19th
  • P/B 4.83xMedian 2.14x 36th
  • P/Tangible book 5.94xMedian 3.01x 36th
  • EV/EBITDANegative EBITDA −14.6xMedian 15.0x 23rd
  • EV/EBITNegative EBIT −13.1xMedian 25.0x 23rd
  • EV/Revenue 4.37xMedian 4.01x 46th
  • EV/FCFNegative free cash flow −11.5xMedian 28.2x 15th
  • EV/Operating cash flowNegative operating cash flow −15.6xMedian 17.1x 23rd
  • PEG (3Y EPS CAGR)Negative earnings 0.08Median 3.88 Not meaningful —
Peer group

Peer Comparison

Companies in the Hazardous Waste
View all peers
S.No. Ticker Company Market CapP/EP/STotal Debt (Qtr)
1 WM Waste Management Inc 91.04 Bn31.913.5523.38 Bn
2 RSG Republic Services, Inc. 70.52 Bn32.274.1814.07 Bn
3 WCN Waste Connections, Inc. 42.02 Bn39.624.309.32 Bn
4 CLH Clean Harbors Inc 16.72 Bn38.092.682.77 Bn
5 GFL GFL Environmental Inc. 16.45 Bn-328.292.359.60 Bn
6 CWST Casella Waste Systems Inc 5.51 Bn965.352.821.36 Bn
7 ONT Onterris, Inc. 0.50 Bn-44.420.640.35 Bn
8 PESI Perma Fix Environmental Services Inc 0.24 Bn-11.344.200.00 Bn