Contract DENA0001942
Consolidated Nuclear Security, Llc · Department Of Energy · January 8, 2013
Consolidated Nuclear Security, Llc was awarded a federal contract by Department Of Energy on January 8, 2013 for $33.75 billion of work in facilities support services. Performance is in Oak Ridge, TN. It was awarded under full and open competition. The contract has been modified 388 times since the base award It uses cost-plus contract pricing. The most recent modification was on April 16, 2026. If all options are exercised, the contract could reach $53.51 billion.
Contract details
- PIID
- DENA0001942
- Award type
- Definitive Contract
- Pricing
- Cost Plus Award Fee
- Set-aside
- No Set Aside Used.
- Competition
- Full And Open Competition
- NAICS
- 561210 · Facilities Support Services
- Product / service
- Operation Of Miscellaneous Buildings
- Place of performance
- Oak Ridge, TN
- First action
- January 8, 2013
- Latest action
- April 16, 2026
Description
MANAGEMENT AND OPERATING CONTRACT FOR Y-12 NATIONAL SECURITY COMPLEX, PANTEX PLANT, WITH AN OPTION FOR SAVANNAH RIVER TRITIUM OPERATIONS
Modification timeline
-
April 16, 2026Mod 391$0
-
April 14, 2026Mod 384$0
-
March 31, 2026Mod 389$-112.2K
-
March 31, 2026Mod 388$-27.05M
-
March 9, 2026Mod 387$510.00M
-
February 26, 2026Mod 385$1.07B
-
February 26, 2026Mod 386$519.8K
-
February 11, 2026Mod 372$0
-
February 4, 2026Mod 381$0
-
January 30, 2026Mod 382$17.83M
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Top contractors in NAICS 561210
Lifetime obligated dollars across all federal contracts in this NAICS code.
| # | Contractor | Contracts | Obligated |
|---|---|---|---|
| 1 | Kbr Services, Llc | 925 | $51.64B |
| 2 | Lockheed Martin Corp | 2 | $48.07B |
| 3 | National Technology & Engineering Solutions Of Sandia, Llc | 1 | $41.73B |
| 4 | Ut-Battelle Llc | 1 | $40.81B |
| 5 | Triad National Security, Llc | 1 | $34.60B |
| 6 | Consolidated Nuclear Security, Llc | 1 | $33.75B |
| 7 | Los Alamos National Security Llc | 2 | $27.42B |
| 8 | Savannah River Nuclear Solutions Llc | 2 | $26.35B |
| 9 | Honeywell Federal Manufacturing & Technologies, Llc | 3 | $25.09B |
| 10 | Lockheed Martin Services, Llc | 28 | $20.69B |
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Frequently asked questions
What is contract DENA0001942?
Contract DENA0001942 is a federal contract awarded to Consolidated Nuclear Security, Llc by Department Of Energy on January 8, 2013 for $33.75 billion of work classified under FACILITIES SUPPORT SERVICES. It has been modified 388 times since the base award.
Who won contract DENA0001942?
Consolidated Nuclear Security, Llc won contract DENA0001942 from Department Of Energy.
How much is contract DENA0001942 worth?
Contract DENA0001942 has obligated $33.75 billion to date, with a total potential value of $53.51 billion if all options are exercised.