Contract 89303322DEM000077

Salado Isolation Mining Contractors, Llc · Department Of Energy · September 28, 2023

Cost Plus Award FeeFull & Open CompetitionNAICS 562211

Salado Isolation Mining Contractors, Llc was awarded a federal contract by Department Of Energy on September 28, 2023 for $605.28 million of work in hazardous waste treatment and disposal. It was awarded under full and open competition. The contract has been modified 31 times since the base award It uses cost-plus contract pricing. The most recent modification was on March 31, 2026. If all options are exercised, the contract could reach $3.58 billion.

Obligated to date
$605.28M
$605,283,477
Potential value
$3.58B
if all options exercised
Modifications
31
Latest March 31, 2026

Contract details

PIID
89303322DEM000077
Award type
Pricing
Cost Plus Award Fee
Set-aside
No Set Aside Used.
Competition
Full And Open Competition
NAICS
562211 · Hazardous Waste Treatment And Disposal
Product / service
Other Environmental Services
First action
September 28, 2023
Latest action
March 31, 2026

Description

THE MAJOR PURPOSE OF THIS CONTRACT IS TO OPERATE AND MAINTAIN THE WASTE ISOLATION PILOT PLANT (WIPP) AND TO IMPLEMENT THE DOE'S NATIONAL TRANSURANIC WASTE PROGRAM (NTP). THE OVERALL MISSION OF THE WIPP AND THE NATIONAL TRANSURANIC WASTE PROGRAM

Modification timeline

  • March 31, 2026
    Mod P00091 · Funding Only Action
    $1.67B
  • March 13, 2026
    Mod P00090 · Supplemental Agreement For Work Within Scope
    $1.66B
  • March 5, 2026
    Mod P00089 · Funding Only Action
    $1.66B
  • January 29, 2026
    Mod P00088 · Funding Only Action
    $1.63B
  • January 27, 2026
    Mod P00087 · Supplemental Agreement For Work Within Scope
    $1.60B
  • December 18, 2025
    Mod P00086 · Funding Only Action
    $1.60B
  • December 1, 2025
    Mod P00085 · Supplemental Agreement For Work Within Scope
    $1.50B
  • November 24, 2025
    Mod P00084 · Supplemental Agreement For Work Within Scope
    $1.50B
  • November 7, 2025
    Mod P00083 · Funding Only Action
    $1.50B
  • October 31, 2025
    Mod P00082 · Funding Only Action
    $1.50B

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Top contractors in NAICS 562211

Lifetime obligated dollars across all federal contracts in this NAICS code.

#ContractorContractsObligated
1Hanford Tank Waste Operations & Closure, Llc2$411.27M
2Salado Isolation Mining Contractors, Llc1$170.37M
3Ecc Constructors Llc1$6.74M
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5Waste Control Specialists Llc5$2.58M
6Tradebe Environmental Services, Llc259$2.18M
7Advance Engineering And Construction L.L.C.1$2.11M
8Willow Environmental Inc149$2.00M
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10Industrial Waste Utilization, Inc183$1.65M

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Frequently asked questions

What is contract 89303322DEM000077?

Contract 89303322DEM000077 is a federal contract awarded to Salado Isolation Mining Contractors, Llc by Department Of Energy on September 28, 2023 for $605.28 million of work classified under HAZARDOUS WASTE TREATMENT AND DISPOSAL. It has been modified 31 times since the base award.

Who won contract 89303322DEM000077?

Salado Isolation Mining Contractors, Llc won contract 89303322DEM000077 from Department Of Energy.

How much is contract 89303322DEM000077 worth?

Contract 89303322DEM000077 has obligated $605.28 million to date, with a total potential value of $3.58 billion if all options are exercised.