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
  • For Profit Organization
  • Foreign Owned
Entity structure
Corporate Entity (Not Tax Exempt)
Other NAICS codes in SAM.gov
Show all 19
Corporate family
SAM.gov registration date
Physical address
545 Oak Ridge Turnpike, Oak Ridge, TN 37830, USA
Founded
1911
Employees
10K-50K
Estimated annual revenue
$1B-$10B
Industry
  1. Industrials
  2. Capital Goods
  3. Construction & Engineering
  4. 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 .

Contract obligations by fiscal year

Fiscal year Obligated
FY2027 To date $0
FY2026 $0
FY2025 $44,500

Contract vehicles

Contract awards

Award Agency Obligated Awarded
RAD waste training N4215825PE022 Naval Sea Systems Command (Navy) $44,500
U.S. Department of energy (DOE) office of environmental management (EM) - nationwide deactivation, decommissioning… 89303320FEM400165 Office of Environmental Management $50,000

Contract subawards

Prime contractor Prime award Amount Awarded
Fluor Marine Propulsion, LLC MANAGEMENT AND OPERATION OF THE NAVAL NUCLEAR LABORATORY AND NAVAL NUCLEAR PROPULSION PROGRAM SUPPORT 2026 DOT Training Advanced Mixed Waste Shipping and Load… 89233018CNR000004 $42,200
Idaho Environmental Coalition LLC IDAHO CLEANUP PROJECT (ICP) END STATE CONTRACT PIID: 89243223FEMTO04 THE PURPOSE OF THIS MODIFICATION IS TO UPDATE THE RISK REGISTER FOR TASK ORDER (TO)-4A,… 89303321DEM000061 $30,000
Idaho Environmental Coalition LLC IDAHO CLEANUP PROJECT (ICP) END STATE CONTRACT THE PURPOSE OF THIS MODIFICATION IS TO INCORPORATE CHANGES TO CONTRACT SECTION H.51. MANAGED TASK John Marra… 89303321DEM000061 $30,000

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About the company

Written by GovTribe AI ·

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.

Quick answers

Is Atkinsrealis Nuclear Secured LLC registered in SAM.gov?

Yes. Atkinsrealis Nuclear Secured LLC's SAM.gov registration is active through September 24, 2027.

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.

How much has Atkinsrealis Nuclear Secured LLC received in federal contracts?

Federal contracts obligated $44,500 to Atkinsrealis Nuclear Secured LLC in fiscal year 2025.

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 (Navy), on November 25, 2024.

On GovTribe

See Atkinsrealis Nuclear Secured LLC's full federal record

  • Federal contract awards
  • IDV awards
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  • Subcontracting relationships
  • Funding analysis by agency, NAICS and set-aside
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