Perma-Fix Environmental Services, Inc.
Perma-Fix Environmental Services, Inc. (Nasdaq: PESI) is a nuclear services company providing radioactive and mixed waste management, treatment and processing, along with project management, environmental restoration, decontamination and decommissioning, construction, radiological protection and industrial hygiene… From the company’s description.
Over the twelve months to Sep 30, 2026, Perma-Fix Environmental Services, Inc. reported revenue of $57.67M, down 4.9% from a year earlier, and a net loss of $19.87M. Its operating margin was −36.2%, and operations used $13.13M in cash. In fiscal 2025, it reported revenue of $61.67M, up 4.3% from fiscal 2024, and a net loss of $10.66M.
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 Perma-Fix Environmental Services, Inc. does
In the company’s own words
Perma-Fix Environmental Services, Inc. (Nasdaq: PESI) is a nuclear services company providing radioactive and mixed waste management, treatment and processing, along with project management, environmental restoration, decontamination and decommissioning, construction, radiological protection and industrial hygiene services. Its customers include research institutions, commercial companies, public utilities and government entities, particularly the U.S. Departments of Energy and War. The company operates through two reportable segments: Treatment, which provides waste treatment, processing, storage and disposal services and conducts research and development, and Services, which delivers technical and nuclear services, including engineering, site surveys, health physics, safety support and facility cleanup. In 2025, Treatment generated 73.1% of revenue and Services 26.9%; total revenue was $61.7 million. Perma-Fix operates four licensed and permitted treatment facilities in Florida, Tennessee and Washington, and provides services in the United States and internationally. Its Perma-FAS system treats certain PFAS-containing waste, with commercial operations at its Florida facility. The company employed approximately 307 people as of December 31, 2025. Its website is www.perma-fix.com.
Company details
- Sector
- Utilities
- Industry (SIC)
- Electric, Gas & Water
- Headquarters
- ATLANTA, GA
- Fiscal year end
- December
- CIK
- 891532
- SIC
- 4955
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 Perma-Fix Environmental Services, Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Perma-Fix Environmental Services, 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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