UNITED CLEANUP OAK RIDGE LLC (TN)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2022
- $2.82B
- $2,819,905,234under this UEI
- FY2026 obligations
- $569.60M†
- $569,600,008ProvisionalFY2027 to date: $113.18M
- Awards and orders
- 1
- with positive net obligations1 IDV vehicle held
- Latest action
- Oct 30, 2026
- SAM.gov registration
- Active
- Registration expiration date Aug 24, 2027
Registration
- Entity structure
- Partnership or Limited Liability Partnership
- Business start date
- Sep 2, 2020 (6 years)
- Location
- Oak Ridge, TN
- State of incorporation
- Delaware
- Purpose of registration
- All Awards
- Website
- amentum.com
† FY2026 obligations (provisional; DoD awards signed after Aug 7, 2026 are not yet public).
‡ FY2027 to date.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI CM39N6XPQF41. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2022. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2027: $113,181,681 (to date)
- FY2026: $569,600,008 (provisional)
- FY2025: $630,252,943
- FY2024: $592,276,409
- FY2023: $565,505,590
- FY2022: $349,088,603
Total across 6 fiscal years: $2,819,905,234
Top awarding agencies
- Department of Energy$2,819,905,234, 100%
Top awarding sub-agencies
- Department of Energy$2,819,905,234, 100%
Top NAICS by obligations
- 562910Remediation services$2,819,905,234, 100%
Top product and service codes by obligations
- F999Other environmental services$2,819,905,234, 100%
Capabilities
NAICS codes
- 562910Remediation Services(primary)
SBA certifications
No certification in the SBA profile data.
Contracts
Latest awards and orders
- 89303322DEM000067Indefinite delivery contract (IDC)VehicleDepartment of EnergyLatest action
- 89303523FEM400032Delivery orderunder an indefinite delivery contract (IDC)Department of EnergyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for UNITED CLEANUP OAK RIDGE LLC lists a physical address and a separate mailing address, along with 6 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts without a real name are not shown.
Physical Address
701 SCARBORO RD
OAK RIDGE, TN, 37830
USA
Mailing Address
4800 Westfields Blvd, Suite 400
Chantilly, VA, 20151
USA
Government Business Contact
Brant Dotson
4800 Westfields Blvd Suite 400
Chantilly, VA, 20151
USA
Electronic Business Contact
MICHAEL GREEN
9900 Hillwood PKWY, STE 140
Fort Worth, TX, 76177
USA
Past Performance Contact
CAROL PAPILLO
4800 Westfields Blvd, Suite 400
Chantilly, VA, 20151
USA
Government Business Alternate Contact
Lynne Miller
4800 Westfields Blvd Suite 400
Chantilly, VA, 20151
USA
Electronic Business Alternate Contact
SUZANNE VAUGHAN
9900 Hillwood Parkway, STE 140
Fort Worth, TX, 76177
USA
Past Performance Alternate Contact
Brant Dotson
4800 Westfields Blvd STE 400
Chantilly, VA, 20151
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
UNITED CLEANUP OAK RIDGE LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires August 24, 2027.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Not registered for disaster relief
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
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