Contract DEAC0504OR22860
Isotek Systems, Llc · Department Of Energy · October 1, 2007
Isotek Systems, Llc was awarded a federal contract by Department Of Energy on October 1, 2007 for $213.05 million of work in all other support services. Performance is in Oak Ridge, TN. The contract has been modified 83 times since the base award It uses cost-plus contract pricing. The most recent modification was on February 25, 2026. If all options are exercised, the contract could reach $1.09 billion.
Contract details
- PIID
- DEAC0504OR22860
- Award type
- Definitive Contract
- Pricing
- Cost Plus Fixed Fee
- Competition
- Full And Open Competition
- NAICS
- 561990 · All Other Support Services
- Product / service
- Maint-Rep-Alt/Epg - Nuclear
- Place of performance
- Oak Ridge, TN
- First action
- October 1, 2007
- Latest action
- February 25, 2026
Description
U-233 DISPOSITION PROJECT
Modification timeline
-
February 25, 2026Mod 392 · Other Administrative Action$881.98M
-
December 30, 2025Mod 391 · Funding Only Action$881.98M
-
November 25, 2025Mod 390 · Funding Only Action$881.23M
-
September 23, 2025Mod 389 · Funding Only Action$867.23M
-
August 25, 2025Mod 388 · Funding Only Action$867.13M
-
August 25, 2025Mod 387 · Definitize Change Order$867.13M
-
August 18, 2025Mod 386 · Definitize Change Order$854.77M
-
August 12, 2025Mod 385 · Supplemental Agreement For Work Within Scope$854.77M
-
July 18, 2025Mod 384 · Definitize Change Order$854.77M
-
September 26, 2024Mod 373 · Funding Only Action$813.16M
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Top contractors in NAICS 561990
Lifetime obligated dollars across all federal contracts in this NAICS code.
| # | Contractor | Contracts | Obligated |
|---|---|---|---|
| 1 | Lockheed Martin Corporation | 103 | $66.12M |
| 2 | Chenega Global Protection, Llc | 15 | $17.82M |
| 3 | Isotek Systems, Llc | 1 | $14.75M |
| 4 | Vertex Modernization And Sustainment Llc | 2 | $8.89M |
| 5 | Teya Diversified Services Llc | 11 | $6.09M |
| 6 | Terrestris, Llc | 4 | $5.88M |
| 7 | Cgh-Global Emergency Management Strategies Llc | 1 | $5.33M |
| 8 | Chenega Security California Corporation | 1 | $4.93M |
| 9 | Dunlap Government Solutions, Llc | 60 | $4.64M |
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Frequently asked questions
What is contract DEAC0504OR22860?
Contract DEAC0504OR22860 is a federal contract awarded to Isotek Systems, Llc by Department Of Energy on October 1, 2007 for $213.05 million of work classified under ALL OTHER SUPPORT SERVICES. It has been modified 83 times since the base award.
Who won contract DEAC0504OR22860?
Isotek Systems, Llc won contract DEAC0504OR22860 from Department Of Energy.
How much is contract DEAC0504OR22860 worth?
Contract DEAC0504OR22860 has obligated $213.05 million to date, with a total potential value of $1.09 billion if all options are exercised.