BesaGov

Contract W9128F20D0050

Weston - Er Federal Services, Llc · Department Of Defense · August 26, 2020

Cost Plus Fixed FeeFull & Open CompetitionNAICS 562910

Weston - Er Federal Services, Llc was awarded a federal contract by Department Of Defense (Department Of The Army) on August 26, 2020 for an undisclosed amount of work in remediation services. It was awarded under full and open competition. The contract has been modified 5 times since the base award It uses cost-plus contract pricing. The most recent modification was on July 10, 2025. If all options are exercised, the contract could reach $100.00 million.

Potential value
$100.00M
if all options exercised
Modifications
5
Latest July 10, 2025

Contract details

PIID
W9128F20D0050
Award type
—
Pricing
Cost Plus Fixed Fee
Set-aside
No Set Aside Used.
Competition
Full And Open Competition
NAICS
562910 · Remediation Services
Product / service
Other Environmental Services
First action
August 26, 2020
Latest action
July 10, 2025

Description

BASE PERIOD - RAPID RESPONSE ERS/WMMRP

Modification timeline

  • July 10, 2025
    Mod P00005
    $0
  • March 28, 2025
    Mod P00004
    $0
  • September 6, 2023
    Mod P00003
    ADDING FAR CLAUSE 52.204-27
    $0
  • August 1, 2023
    Mod P00002
    EXERCISE OPTION PERIOD ONE FOR EMERGENCY/IMMEDIATE/RAPID RESPONSE (RR/IR/ER)
    $0
  • December 16, 2021
    Mod P00001
    MODIFICATION - RAPID RESPONSE ERS/W MMRP INCREASE IN CONTRACT CAPACITY.
    $0
  • August 26, 2020
    Base award
    $0
Sign up free to see all 6 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 W9128F20D0050?

Contract W9128F20D0050 is a federal contract awarded to Weston - Er Federal Services, Llc by Department Of Defense on August 26, 2020 for an undisclosed amount of work classified under REMEDIATION SERVICES. It has been modified 5 times since the base award.

Who won contract W9128F20D0050?

Weston - Er Federal Services, Llc won contract W9128F20D0050 from Department Of Defense.

How much is contract W9128F20D0050 worth?

Contract W9128F20D0050 has obligated $0 to date but carries a potential ceiling of $100.00 million if fully funded and all options are exercised.