Hanford Tank Waste Operations & Closure, LLC
Richland, WA Part of Bwxt Technical Services Group Inc.
- UEI
- S3NQNFD3YS43
- CAGE
- 94PD1
- Primary NAICS
- 562211 Hazardous Waste Treatment and Disposal
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
- Corporate family
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Parent
Bwxt Technical Services Group Inc. · Lynchburg, VA
PZDQCRZW7GJ3
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Parent
Bwxt Technical Services Group Inc. · Lynchburg, VA
PZDQCRZW7GJ3
- SAM.gov registration date
- Physical address
- 2435 Stevens Center Pl, Richland, WA 99354, USA
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $100,000,000 |
| FY2026 | $979,800,320 |
| FY2025 | $796,035,008 |
| FY2024 | $0 |
| FY2023 | $1,000,000 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Energy | $1,079,800,320 |
Contract awards
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About the company
Hanford Tank Waste Operations & Closure, LLC is a for-profit corporate entity registered in the System for Award Management (SAM) and primarily focused on environmental remediation services for the U.S. Department of Energy's Office of Environmental Management. The company specializes in managing complex radioactive waste cleanup activities, specifically at the Hanford Site in Richland, Washington, a former nuclear production facility from the Cold War era. Their core business involves comprehensive waste management services including storage, treatment, retrieval, and disposal of radioactive waste stored in underground tank systems.
The company has been awarded multiple federal contracts exclusively with the Department of Energy's Office of Environmental Management, focusing on nuclear waste cleanup and tank disposition. These contracts have consistently involved transition services, tank farm operations, maintenance, waste retrieval, and treatment activities. All of their recent contract awards have been open market competitions with no specific set-aside designations. The contracts involve complex, high-stakes environmental remediation work that requires specialized expertise in handling radioactive materials and managing nuclear waste infrastructure. The company serves as the prime contractor for these critical environmental management projects, demonstrating significant technical capabilities in managing hazardous waste systems.
Hanford Tank Waste Operations & Closure, LLC holds two significant Indefinite Delivery/Indefinite Quantity (IDIQ) contracts, both valued at $45 billion with performance periods extending through 2033-2034. These single-award IDIQ contracts provide a flexible mechanism for the Department of Energy to issue task orders for radioactive waste storage tank remediation and closure activities. The contracts cover a comprehensive range of services including tank farm operations, maintenance, waste retrieval from single-shell tanks, treatment and disposal using the Waste Treatment and Immobilization Plant, and related support functions. Recent task orders under these IDIQ contracts have included transition services and implementation task orders, all focused on the continued environmental cleanup efforts at the Hanford Site.
Quick answers
Is Hanford Tank Waste Operations & Closure, LLC registered in SAM.gov?
Yes. Hanford Tank Waste Operations & Closure, LLC's SAM.gov registration is active through April 2, 2027.
How much has Hanford Tank Waste Operations & Closure, LLC received in federal contracts?
Federal contracts obligated $796,035,008 to Hanford Tank Waste Operations & Closure, LLC in fiscal year 2025 and $1,876,835,328 in fiscal years 2023 through 2027.
How does Hanford Tank Waste Operations & Closure, LLC rank among federal contractors?
Hanford Tank Waste Operations & Closure, LLC ranked #1 in NAICS 5622, #5 in NAICS 562 and #15 in PSC M in FY2025.
What is Hanford Tank Waste Operations & Closure, LLC's most recent federal award?
Hanford Tank Waste Operations & Closure, LLC's most recent federal contract award is The award continues performance of integrated tank disposition contract via the implementation task order, to-02 (89303925FEM400064), from National Nuclear Security Administration, on February 24, 2025.
On GovTribe
See Hanford Tank Waste Operations & Closure, LLC's full federal record
- Federal contract awards
- IDV awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
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