Federal contractor profile
HANFORD TANK WASTE OPERATIONS & CLOSURE, LLC
UEI S3NQNFD3YS43CAGE 94PD1
Active
Overview
- Legal name
- HANFORD TANK WASTE OPERATIONS & CLOSURE, LLC
- Registered location
- RICHLAND, WA, USA
- Primary NAICS
- 562211 — Hazardous Waste Treatment and Disposal
- Latest award activity
- Aug 19, 2026
Read company summary
HANFORD TANK WASTE OPERATIONS & CLOSURE, LLC is associated with UEI S3NQNFD3YS43 and CAGE 94PD1 in public federal records. AcornBids currently links 3 prime awards totaling $1.6B in obligations to this entity. Its largest recorded federal customer by obligations is Department of Energy. Its recorded federal awards include work classified as Hazardous Waste Treatment and Disposal. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 562211 (Hazardous Waste Treatment and Disposal). Its public SAM.gov registration lists RICHLAND, WA, USA.
At a glance
Lifetime prime obligations$1.6B
Prime awards3
Awards with future end dates2
Top-agency concentration
Not available
Why this customer concentration
Detailed agency totals are not available in this stored profile.
Largest positive coded-agency total ÷ all positive coded-agency totals × 100
Missing data is shown as unavailable.
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Sep 28, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- HANFORD TANK WASTE OPERATIONS & CLOSURE, LLC
- UEI
- S3NQNFD3YS43
- CAGE
- 94PD1
- Registered address
- 2435 STEVENS CENTER PL, RICHLAND, WA, 99354, USA
- Registration status
- Active
- Primary NAICS
- 562211 — Hazardous Waste Treatment and Disposal
- SAM activation
- Apr 10, 2026
- Initial registration
- Aug 13, 2021
- Entity start
- Jul 12, 2021
- SAM updated
- Apr 29, 2026
- Registration expires
- Apr 2, 2027
- Fiscal year end
- Sep 30
- Place of incorporation
- DE, USA
Federal award analysis
Net transaction obligations by federal fiscal period.
Transaction history is not available in the loaded data. Annual funding is not estimated from current award totals.
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| 89303324DEM000096HANFORD INTEGRATED TANK DISPOSITION CONTRACT MASTER - INDEFINITE DELIVERY/INDEFINITE QUANTITY CONTRACT | Department of Energy | $45.0B | Feb 29, 2024 | Not available |
| 89303925FEM400064THE AWARD CONTINUES PERFORMANCE OF INTEGRATED TANK DISPOSITION CONTRACT VIA THE IMPLEMENTATION TASK ORDER, TO-02. | Department of Energy | $1.7B | Feb 24, 2025 | Sep 30, 2026 |
| 89303324FEM400402HANFORD INTEGRATED TANK DISPOSITION CONTRACT TRANSITION TASK ORDER | Department of Energy | $8.8M | Feb 29, 2024 | Feb 28, 2034 |
Upcoming positioning windows
Modeled recompete windows are estimates, not announced solicitations or guarantees.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Apr 29, 2026 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Aug 13, 2021 |
| Entity start | Jul 12, 2021 |
| Industry | Reported size status |
|---|---|
| 562211 — Hazardous Waste Treatment and Disposal | Not reported |
| 562910 — Remediation Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| COREY M CHUN | Government business | Contact method not published | SAM registration | Not available |
| KATIE A DOWNING | Alternate government business | Contact method not published | SAM registration | Not available |
| COREY M CHUN | Electronic business | Contact method not published | SAM registration | Not available |
| KATIE A DOWNING | Alternate electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 562211 — Hazardous Waste Treatment and Disposal
- 562910 — Remediation Services
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
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About HANFORD TANK WASTE OPERATIONS & CLOSURE, LLC
What products and services appear in its federal awards?
Recorded award industries: 562211 — Hazardous Waste Treatment and Disposal.
Recorded products and services: M1PD — OPERATION OF WASTE TREATMENT AND STORAGE FACILITIES.
Examples from recent award records:
- HANFORD INTEGRATED TANK DISPOSITION CONTRACT MASTER - INDEFINITE DELIVERY/INDEFINITE QUANTITY CONTRACT
- THE AWARD CONTINUES PERFORMANCE OF INTEGRATED TANK DISPOSITION CONTRACT VIA THE IMPLEMENTATION TASK ORDER, TO-02.
These records describe federal award work, not every company capability. Review the award evidence.
Where is the company registered?
2435 STEVENS CENTER PL, RICHLAND, Washington 99354, United States
Registered location from SAM.gov; award performance locations may differ.
What is its primary registered industry?
562211 — Hazardous Waste Treatment and Disposal.
Primary SAM.gov NAICS classification.
Which federal agencies are represented in its awards?
Department of Energy.
Data coverage and methodology
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
No official subaward rows are loaded, so Acorn does not claim known teaming relationships.
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