Atkinsrealis Nuclear Secured LLC
Oak Ridge, TN Part of Atkinsrealis Nuclear Secured Holdings Corporation
- UEI
- C23QLMC5LAH3
- CAGE
- 7JUK0
- Primary NAICS
- 562910 Remediation Services
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
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- 562910 Remediation Services Primary
- 236220 Commercial and Institutional Building Construction
- 237110 Water and Sewer Line and Related Structures Construction
- 238910 Site Preparation Contractors
- 325180 Other Basic Inorganic Chemical Manufacturing
- 541330 Engineering Services
- 541350 Building Inspection Services
- 541380 Testing Laboratories and Services
Show all
- 541430 Graphic Design Services
- 541611 Administrative Management and General Management Consulting Services
- 541620 Environmental Consulting Services
- 541690 Other Scientific and Technical Consulting Services
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- 541990 All Other Professional, Scientific, and Technical Services
- 561110 Office Administrative Services
- 561210 Facilities Support Services
- 562211 Hazardous Waste Treatment and Disposal
- 562920 Materials Recovery Facilities
- 562998 All Other Miscellaneous Waste Management Services
- 611430 Professional and Management Development Training
- Corporate family
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Atkinsrealis Nuclear Secured Holdings Corporation
Parent
QLHSSEJN9MS9
-
Atkinsrealis Nuclear Secured LLC
C23QLMC5LAH3
- Mid-America Conversion Services, LLC FV18U2KPEDS6
- Mission Conversion Services Alliance, LLC X6QUFXZRKZW4
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Atkinsrealis Nuclear Secured LLC
C23QLMC5LAH3
-
Atkinsrealis Nuclear Secured Holdings Corporation
Parent
QLHSSEJN9MS9
- SAM.gov registration date
- Physical address
- 545 Oak Ridge Turnpike, Oak Ridge, TN 37830, USA
- Website
- atkinsrealis.com
- Founded
- 1911
- Employees
- 10K-50K
- Estimated annual revenue
- $1B-$10B
- Industry
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- Industrials
- Capital Goods
- Construction & Engineering
- Civil Engineering
- SIC code
- 87 Engineering & Management Services
- Profiles
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| RAD waste training | Naval Sea Systems Command | $44,500 | |
| U.s. Department of energy (DOE) office of environmental management (EM) - nationwide deactivation, decommissioning and… | Office of Environmental Management | $50,000 |
About Atkinsrealis Nuclear Secured LLC
Atkins Nuclear Secured, LLC is a foreign-owned, for-profit corporate entity registered in SAM.gov, located in Oak Ridge, Tennessee, that specializes in nuclear-related environmental services and training. The company provides critical support to federal agencies, particularly in the nuclear and environmental remediation sectors, with a focus on specialized technical services for government clients. Its primary expertise centers on radioactive waste management, decommissioning, and environmental restoration services for complex nuclear facilities.
The company has secured federal contract awards involving radioactive waste training, environmental remediation, and technical support services. Specific contract awards demonstrate its capabilities in providing DOT/NRC regulated radioactive waste shipping training for the Naval Sea Systems Command and environmental management services for the Department of Energy (DOE). These contracts have included tasks such as dangerous goods regulations training, site deactivation, decommissioning, and removal services for contaminated nuclear facilities. The company has worked as both a prime and sub-contractor, with notable partnerships including Consolidated Nuclear Security, LLC, and has not utilized any set-aside contract designations in its federal awards.
Atkins Nuclear Secured, LLC holds a significant Indefinite Delivery Contract (IDC) with the DOE Office of Environmental Management, valued at $3 billion, which provides a 10-year ordering period through June 2030 for nationwide deactivation, decommissioning, and removal (DD&R) services. This multiple-award contract enables the company to support the DOE's mission of remediating contaminated sites from the U.S. nuclear weapons program. Under this master IDC vehicle, the company has already received and performed on task orders, including a $50,000 delivery order for minimum guarantee work in Cincinnati, Ohio, demonstrating its ability to provide flexible, specialized services across different nuclear environmental management projects.
Contract vehicles
Quick answers
What is Atkinsrealis Nuclear Secured LLC's UEI?
Atkinsrealis Nuclear Secured LLC's Unique Entity ID (UEI) in SAM.gov is C23QLMC5LAH3.
What is Atkinsrealis Nuclear Secured LLC's CAGE code?
Atkinsrealis Nuclear Secured LLC's CAGE code is 7JUK0.
What is Atkinsrealis Nuclear Secured LLC's primary NAICS code?
Atkinsrealis Nuclear Secured LLC's primary NAICS code is 562910 (Remediation Services).
Where is Atkinsrealis Nuclear Secured LLC located?
Atkinsrealis Nuclear Secured LLC's physical address in SAM.gov is 545 Oak Ridge Turnpike, Oak Ridge, TN 37830, USA.
Is Atkinsrealis Nuclear Secured LLC registered in SAM.gov?
Yes. Atkinsrealis Nuclear Secured LLC's SAM.gov registration is active through September 24, 2027.
Who is Atkinsrealis Nuclear Secured LLC's parent company?
Atkinsrealis Nuclear Secured LLC is part of Atkinsrealis Nuclear Secured Holdings Corporation.
Which contract vehicles does Atkinsrealis Nuclear Secured LLC hold?
Atkinsrealis Nuclear Secured LLC holds a place on 2 federal contract vehicles, including DOE Nationwide Deactivation, Decommissioning and Removal (DD&R) and MAS.
What is Atkinsrealis Nuclear Secured LLC's most recent federal award?
Atkinsrealis Nuclear Secured LLC's most recent federal contract award is RAD waste training (N4215825PE022), from Naval Sea Systems Command, on November 25, 2024.
On GovTribe
See Atkinsrealis Nuclear Secured LLC's full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors