BesaGov

Contract W9128F21F0164

Weston - Er Federal Services, Llc · Department Of Defense · July 2, 2021

Cost Plus Fixed FeeFull & Open CompetitionNAICS 562910IDIQ Task Order

Weston - Er Federal Services, Llc was awarded a federal contract by Department Of Defense (Department Of The Army) on July 2, 2021 for $26.46 million of work in remediation services. Performance is in Dayton, OH. This is a task or delivery order issued under parent IDIQ W9128F20D0050. The contract has been modified 7 times since the base award It uses cost-plus contract pricing. The most recent modification was on October 31, 2025.

Obligated to date
$26.46M
$26,459,897
Current value
$26.46M
Modifications
7
Latest October 31, 2025

Contract details

PIID
W9128F21F0164
Parent IDIQ
W9128F20D0050
Award type
Delivery Order
Pricing
Cost Plus Fixed Fee
Competition
Full And Open Competition
NAICS
562910 · Remediation Services
Product / service
Other Environmental Services
Place of performance
Dayton, OH
First action
July 2, 2021
Latest action
October 31, 2025

Description

MODIFICATION TO EXTEND POP TO 01 DECEMBER 2025

Modification timeline

  • October 31, 2025
    Mod P00007
    $0
  • August 29, 2025
    Mod P00006
    PERIOD OF PERFORMANCE EXTENSION.
    $0
  • June 27, 2025
    Mod P00005
    AFF1 & 21 EE/CA
    $0
  • March 26, 2025
    Mod P00004
    MODIFICATION TO EXTEND THE PERFORMANCE COMPLETION DATE TO 27 JUN 25, WPAFB, OH
    $0
  • June 5, 2024
    Mod P00003
    MODIFICATION TO EXTEND PERIOD OF PERFORMANCE TO 31 MAR 2025
    $0
  • May 9, 2023
    Mod P00002
    MODIFICATION TO EXTEND THE PERIOD OF PERFORMANCE TO 31 JULY 2024
    $0
  • September 23, 2021
    Mod P00001
    AFF1 & 21 EE/CA PFAS/PFOA WRIGHT-PATTERSON AFB, OH
    $20.56M
  • July 2, 2021
    Base award
    PFAS WPAFB
    $5.90M
Sign up free to see all 8 modifications

Similar contracts

RecipientAgencyDateObligated
Sevenson Environmental Services, Inc.Department Of DefenseMarch 30, 2026$180.00M
Cape Remediation, LlcDepartment Of DefenseMarch 27, 2026$4.14M
Lilium-Seres JvDepartment Of DefenseMarch 18, 2026$1.24M
Vets-Errg Jv LlcDepartment Of DefenseMarch 18, 2026$74.9K
Ea Engineering, Science, And Technology, Inc., PbcDepartment Of DefenseMarch 16, 2026$1.15M
Conti Federal Services, LlcDepartment Of DefenseMarch 13, 2026$5.73M

Top contractors in NAICS 562910

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

#ContractorContractsObligated
1Ch2m Hill Plateau Remediation Company1$7.07B
2Fluor-Bwxt Portsmouth Llc1$4.47B
3Ch2m Wg Idaho Llc1$4.29B
4Savannah River Mission Completion, Llc11$3.91B
5Ucor Llc1$3.90B
6Central Plateau Cleanup Company, Llc9$3.09B
7Washington Closure Hanford Llc1$2.83B
8United Cleanup Oak Ridge Llc2$2.57B
9Idaho Environmental Coalition Llc2$2.42B
10Fluor Idaho Llc1$2.30B

Explore related

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 W9128F21F0164?

Contract W9128F21F0164 is a federal contract awarded to Weston - Er Federal Services, Llc by Department Of Defense on July 2, 2021 for $26.46 million of work classified under REMEDIATION SERVICES. It has been modified 7 times since the base award.

Who won contract W9128F21F0164?

Weston - Er Federal Services, Llc won contract W9128F21F0164 from Department Of Defense.

How much is contract W9128F21F0164 worth?

Contract W9128F21F0164 has obligated $26.46 million to date.