B-21 80 row environmental protection shelters (EPS) at ellsworth air force base (AFB), south dakota (SD)

Active Definitive Contract Awarded

Contract number
W9128F26CA046
Awardee
Awarding agency
Obligated
$49,887,334

Award facts

Opportunity
Contract value 100% obligated
$49,887,334.00 Current and potential, with all options
Completion date 99% complete
Current and potential, with all options
Contracting staff
NAICS code
236220 Commercial and Institutional Building Construction
PSC
Y1BZ Construction Of Other Airfield Structures
Set-aside
No set-aside
Competition
Full and Open Competition · 4 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.

About this award

The U.S. Army Corps of Engineers Engineering District Omaha (listed as ENDIST Omaha) awarded a firm fixed-price definitive contract with a $49.9 million ceiling value to Conti Federal Services, LLC for construction of B-21 80 Row Environmental Protection Shelters at Ellsworth Air Force Base, South Dakota, on July 27, 2026. No set-aside was used.

Ultimate completion is November 6, 2026. Place of performance is Ellsworth AFB, Belle Fourche-Cheyenne Valleys, SD, USA. The originating pre-solicitation, posted October 2, 2025 with responses due October 17, 2025, falls under Commercial and Institutional Building Construction NAICS and Construction of Other Airfield Structures. It seeks construction services for 80 row environmental protection shelters supporting the B-21 bomber program. Detailed requirements and specifications are in an attachment referenced in the notice.

Quick answers

Who was awarded contract W9128F26CA046?

W9128F26CA046 was awarded to Conti Federal Services, LLC by ENDIST Omaha (US Army Corps of Engineers) on July 27, 2026.

How much is contract W9128F26CA046 worth?

The government has obligated $49,887,334 on W9128F26CA046.

Was contract W9128F26CA046 competed?

The extent of competition for W9128F26CA046 was full and open competition. The government received 4 offers.

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