B-21 N. ENV. Protection shelters, FXBM253404, ellsworth air force base, south dakota

Active Definitive Contract Awarded Last action

Contract number
W9128F25CA035
Awardee
Awarding agency
Obligated
$33,497,794

Award facts

Opportunity
Contract value 100% obligated
$33,497,794.00 Current and potential, with all options
Completion date 67% complete
Current and potential, with all options
Set-aside
No set-aside
Competition
Full and Open Competition · 5 offers Negotiated Proposal / Quote
Pricing
Firm Fixed Price
Place of performance
Ellsworth AFB, Belle Fourche-Cheyenne Valleys, SD, USA
Legislative mandates

Award details come from SAM.gov/FPDS.

Transactions

Action Obligated Date
Supplemental Agreement for work within scope P00001 · The purpose of this modification is to add clause RFO 52.222-90, addressing DEI discrimination by federal contractors, in accordance with drafs CD 2026-… $0
Original award $33,497,794

About this award

The Department of the Air Force, through the Army Corps of Engineers Engineering District Omaha, awarded a $33.5 million definitive contract to Conti Federal Services, LLC for design and construction of B-21 North Environmental Protection Shelters at Ellsworth Air Force Base, South Dakota, on July 2, 2025, under firm fixed-price terms with no set-aside.

The originating solicitation, posted February 29, 2024, seeks covered storage facilities to protect B-21 bombers during maintenance, repair, and overhaul activities. Place of performance is Ellsworth AFB and the Belle Fourche-Cheyenne Valleys area of South Dakota. The contract extends through July 2, 2027. The award includes a modification adding FAR 52.222-90, addressing discrimination by federal contractors, per Draft CD 2026-00040, Revision 1.

Quick answers

Who was awarded contract W9128F25CA035?

W9128F25CA035 was awarded to Conti Federal Services, LLC by ENDIST Omaha (US Army Corps of Engineers) on July 2, 2025.

How much is contract W9128F25CA035 worth?

The government has obligated $33,497,794 on W9128F25CA035.

Was contract W9128F25CA035 competed?

The extent of competition for W9128F25CA035 was full and open competition. The government received 5 offers.

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