Contract 89303125FEM400428

Southern Ohio Cleanup Company Llc · Department Of Energy · September 19, 2025

Cost Plus Award FeeFull & Open CompetitionNAICS 562910IDIQ Task Order

Southern Ohio Cleanup Company Llc was awarded a federal contract by Department Of Energy on September 19, 2025 for $227.99 million of work in remediation services. Performance is in Piketon, OH. This is a task or delivery order issued under parent IDIQ 89303323DEM000089. The contract has been modified 10 times since the base award It uses cost-plus contract pricing. The most recent modification was on April 23, 2026. If all options are exercised, the contract could reach $2.54 billion.

Obligated to date
$227.99M
$227,986,067
Current value
$2.54B
Modifications
10
Latest April 23, 2026

Contract details

PIID
89303125FEM400428
Parent IDIQ
89303323DEM000089
Award type
Delivery Order
Pricing
Cost Plus Award Fee
Competition
Full And Open Competition
NAICS
562910 · Remediation Services
Product / service
Other Environmental Services
Place of performance
Piketon, OH
First action
September 19, 2025
Latest action
April 23, 2026

Description

PORTSMOUTH (PORTS) DECONTAMINATION & DECOMMISSIONING (D&D) - INCREMENTAL FUNDING FOR CONTRACT LINE ITEM NUMBERS 1 AND 2.

Modification timeline

  • April 23, 2026
    Mod P00010
    $59.95M
  • March 31, 2026
    Mod P00009
    PORTSMOUTH (PORTS) DECONTAMINATION & DECOMMISSIONING (D&D) - INCREMENTAL FUNDING FOR CONTRACT LINE ITEM NUMBERS 1, 2, AND 3.
    $17.96M
  • February 27, 2026
    Mod P00008
    PORTSMOUTH (PORTS) DECONTAMINATION & DECOMMISSIONING (D&D) - INCREMENTAL FUNDING FOR CONTRACT LINE ITEM NUMBERS 1, 2, AND 4.
    $7.11M
  • January 27, 2026
    Mod P00007
    PORTSMOUTH (PORTS) DECONTAMINATION & DECOMMISSIONING (D&D) - INCREMENTAL FUNDING FOR CONTRACT LINE ITEM NUMBERS 1, 2, 3, AND 4.
    $41.94M
  • December 22, 2025
    Mod P00006
    PORTSMOUTH (PORTS) DECONTAMINATION & DECOMMISSIONING (D&D) - INCREMENTAL FUNDING FOR CONTRACT LINE ITEM NUMBERS 1, 2, 3, AND 4.
    $36.49M
  • December 18, 2025
    Mod P00005
    PORTSMOUTH (PORTS) DECONTAMINATION & DECOMMISSIONING (D&D) - ADD TASK ORDER 3 ATTACHMENT J-1 PERFORMANCE EVALUATION MEASUREMENT PLAN
    $0
  • December 17, 2025
    Mod P00004
    PORTSMOUTH (PORTS) DECONTAMINATION & DECOMMISSIONING (D&D) - TASK ORDER 3 UPDATE AWARD FEE INFORMATION
    $0
  • November 25, 2025
    Mod P00003
    PORTSMOUTH (PORTS) DECONTAMINATION & DECOMMISSIONING (D&D) - TASK ORDER 3 FISCAL YEARS 2026 THROUGH 2031 - INCREMENTAL FUNDING
    $23.27M
  • November 7, 2025
    Mod P00002
    PORTSMOUTH (PORTS) DECONTAMINATION & DECOMMISSIONING (D&D) - TASK ORDER 3 FISCAL YEARS 2026 THROUGH 2031 - INCREMENTAL FUNDING
    $18.35M
  • September 26, 2025
    Mod P00001
    PORTSMOUTH (PORTS) DECONTAMINATION & DECOMMISSIONING (D&D) - TASK ORDER 3 FISCAL YEARS 2026 THROUGH 2031 - INCREMENTAL FUNDING
    $22.93M

Similar contracts

RecipientAgencyDateObligated
Enterprise Technical Assistance Services IncDepartment Of EnergyApril 1, 2026$36.85M
Idaho Environmental Coalition LlcDepartment Of EnergyApril 1, 2026$887.50M
Navarro Research And Engineering, Inc.Department Of EnergyApril 1, 2026$44.28M
Savannah River Mission Completion, LlcDepartment Of EnergyApril 1, 2026$2.12B
Catawba-Tea, LlcDepartment Of EnergyMarch 31, 2026$1.48M
Catawba-Tea, LlcDepartment Of EnergyMarch 31, 2026$187.0K

Top contractors in NAICS 562910

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

Track this on BesaGov

Get a free weekly email when this changes — new awards, new sub-awards, new opportunities. No login required.

✓ You’re on the list. We’ll never spam you.

Helpful guides

Continue learning

See all guides →
More on BesaGov

Keep researching

Track this contract, set alerts on similar opportunities, and build proposal pipelines on BesaGov.
Sign up free

Frequently asked questions

What is contract 89303125FEM400428?

Contract 89303125FEM400428 is a federal contract awarded to Southern Ohio Cleanup Company Llc by Department Of Energy on September 19, 2025 for $227.99 million of work classified under REMEDIATION SERVICES. It has been modified 10 times since the base award.

Who won contract 89303125FEM400428?

Southern Ohio Cleanup Company Llc won contract 89303125FEM400428 from Department Of Energy.

How much is contract 89303125FEM400428 worth?

Contract 89303125FEM400428 has obligated $227.99 million to date, with a total potential value of $2.54 billion if all options are exercised.