ATKINSRÉALIS NUCLEAR SOLUTIONS USA INC. (TN)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2012
- $142.4K
- $142,404under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 2
- with positive net obligations1 IDV vehicle held
- Latest action
- Jul 10, 2026
- SAM.gov registration
- Active
- Registration expiration date Mar 6, 2027
Registration
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Mar 28, 2001 (25 years)
- Location
- Oak Ridge, TN
- State of incorporation
- Tennessee
- Purpose of registration
- All Awards
- Website
- atkinsrealis.com
† FY2026 obligations (provisional; DoD awards signed after Jul 29, 2026 are not yet public).
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI N4UDS3YT5YU8. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2012. 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
- FY2025: -$500 (de-obligation)
- FY2024: -$10,000 (de-obligation)
- FY2023: $136,803
- FY2022: $10,000
- FY2014: -$25,538 (de-obligation)
- FY2012: $31,639
Total across 6 fiscal years: $142,404
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- Department of State$136,303, 95.7%
- Department of Energy$6,101, 4.3%
Top awarding sub-agencies
- Department of State$136,303, 95.7%
- Department of Energy$6,101, 4.3%
Top NAICS by obligations
- 541330Engineering services$136,303, 95.7%
Top product and service codes by obligations
- R799Support- management: other$136,303, 95.7%
- R499Support- professional: other$6,101, 4.3%
Capabilities
NAICS codes
- 541330Engineering Services(primary)
- 541350Building Inspection Services
- 541430Graphic Design Services
- 541513Computer Facilities Management Services
- 541519Other Computer Related Services
- 541611Administrative Management and General Management Consulting Services
Show all 16 NAICS codes10 more NAICS codes
- 541618Other Management Consulting Services
- 541620Environmental Consulting Services
- 541690Other Scientific and Technical Consulting Services
- 541990All Other Professional, Scientific, and Technical Services
- 561210Facilities Support Services
- 561320Temporary Help Services
- 561499All Other Business Support Services
- 561611Investigation and Personal Background Check Services
- 561621Security Systems Services (except Locksmiths)
- 562910Remediation Services
SBA certifications
No certification in the SBA profile data.
Federal Capability Statement
NuclearSafety Associates provides services and expertise in the nuclear safety fields, including criticality safety, health physics, hazards analysis, authorization basis, ISA, and shielding/radiological engineering.
Capabilities & Services
Contracts
Latest awards and orders
- 19AQMM22D0078Indefinite delivery contract (IDC)VehicleDepartment of StateLatest action
- 19AQMM23F0455Delivery orderunder an indefinite delivery contract (IDC)Department of StateLatest action
- DENA0001381DcaDepartment of EnergyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for ATKINSRÉALIS NUCLEAR SOLUTIONS USA INC. lists a physical address and a separate mailing address, along with 4 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 displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
545 OAK RIDGE TPKE
OAK RIDGE, TN, 37830
USA
Mailing Address
545 Oak Ridge Turnpike
Oak Ridge, TN, 37830
USA
Government Business Contact
Aimee Roush
Director of Contracts
2801 George Washington Way
Richland, WA, 99354
USA
Electronic Business Contact
Tina Klakamp
Insurance & Legal Specialist
545 Oak Ridge Turnpike
Oak Ridge, TN, 37830
USA
Government Business Alternate Contact
Tina Klakamp
Insurance & Legal Specialist
545 Oak Ridge Turnpike
Oak Ridge, TN, 37830
USA
Electronic Business Alternate Contact
Aimee Roush
Director of Contracts
2801 George Washington Way
Richland, WA, 99354
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
ATKINSRÉALIS NUCLEAR SOLUTIONS USA INC. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires March 6, 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
Bonding Information
No bonding information provided
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
Other contractors in Tennessee with primary NAICS 541330
- Amentum Technology, Inc.Tullahoma, TN
- Amentum Technology, Inc.Tullahoma, TN
- Beyond New Horizons, LLCNormandy, TN
- Bwxt Enrichment Operations, LLCOak Ridge, TN
- Amentum Technology, Inc.Tullahoma, TN
- Amentum Technology, Inc.Tullahoma, TN