Contract DENA0003624
Mission Support & Test Services Llc · Department Of Energy · September 29, 2020
Mission Support & Test Services Llc was awarded a federal contract by Department Of Energy on September 29, 2020 for $1.19 billion of work in facilities support services. Performance is in Las Vegas, NV. It was awarded under full and open competition. The contract has been modified 57 times since the base award It uses cost-plus contract pricing. The most recent modification was on June 29, 2026. If all options are exercised, the contract could reach $11.26 billion.
Contract details
- PIID
- DENA0003624
- 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
- Las Vegas, NV
- First action
- September 29, 2020
- Latest action
- June 29, 2026
Description
MANAGEMENT AND OPERATION OF MISSION SUPPORT AND TEST SERVICES LLC'S FOLLOW-ON CONTRACT, DE-NA0003624 FOR THE MANAGEMENT AND OPERATION OF THE NEVADA NATIONAL SECURITY SITE (NNSS)
Modification timeline
-
June 29, 2026Mod 307 · Funding Only Action$7.62B
-
June 29, 2026Mod 308 · Funding Only Action$7.62B
-
March 31, 2026Mod 298 · Funding Only Action$7.51B
-
March 31, 2026Mod 299 · Funding Only Action$7.51B
-
March 31, 2026Mod 295 · Other Administrative Action$7.51B
-
March 10, 2026Mod 265 · Other Administrative Action$7.51B
-
February 25, 2026Mod 297 · Funding Only Action$7.51B
-
February 25, 2026Mod 296 · Funding Only Action$7.51B
-
February 19, 2026Mod 294 · Other Administrative Action$7.09B
-
February 2, 2026Mod 284 · Other Administrative Action$7.09B
Similar contracts
| Recipient | Agency | Date | Obligated |
|---|---|---|---|
| Hanford Mission Integration Solutions, Llc | Department Of Energy | July 1, 2026 | $2.65B |
| S & K Logistics Services Llc | Department Of Energy | July 1, 2026 | $2.37M |
| Emcor Government Services, Inc | Department Of Energy | July 1, 2026 | $176.3K |
| Honeywell Federal Manufacturing & Technologies, Llc | Department Of Energy | July 1, 2026 | $17.49B |
| Consolidated Nuclear Security, Llc | Department Of Energy | June 30, 2026 | $34.26B |
| Accord Federal Services, Llc | Department Of Energy | June 30, 2026 | $0 |
Top contractors in NAICS 561210
Lifetime obligated dollars across all federal contracts in this NAICS code.
| # | Contractor | Contracts | Obligated |
|---|---|---|---|
| 1 | Triad National Security, Llc | 1 | $4.67B |
| 2 | National Technology & Engineering Solutions Of Sandia, Llc | 1 | $3.69B |
| 3 | Consolidated Nuclear Security, Llc | 1 | $2.42B |
| 4 | Savannah River Nuclear Solutions Llc | 1 | $2.13B |
| 5 | Honeywell Federal Manufacturing & Technologies, Llc | 1 | $1.82B |
| 6 | Pantexas Deterrence, Llc | 1 | $1.24B |
| 7 | Ut-Battelle Llc | 1 | $1.13B |
| 8 | Mission Support & Test Services Llc | 1 | $806.43M |
| 9 | Strategic Storage Partners, Llc. | 1 | $338.52M |
| 10 | Vectrus Systems Llc | 54 | $327.44M |
Track this on BesaGov
Get a free weekly email when this changes — new awards, new sub-awards, new opportunities. No login required.
Continue learning
Keep researching
Frequently asked questions
What is contract DENA0003624?
Contract DENA0003624 is a federal contract awarded to Mission Support & Test Services Llc by Department Of Energy on September 29, 2020 for $1.19 billion of work classified under FACILITIES SUPPORT SERVICES. It has been modified 57 times since the base award.
Who won contract DENA0003624?
Mission Support & Test Services Llc won contract DENA0003624 from Department Of Energy.
How much is contract DENA0003624 worth?
Contract DENA0003624 has obligated $1.19 billion to date, with a total potential value of $11.26 billion if all options are exercised.