B-21 add flight simulator phase 2 at ellsworth air force base (AFB), south dakota (SD)

Active Definitive Contract Awarded Last action

Contract number
W9128F26CA030
Awardee
Awarding agency
Obligated
$36,337,321

Award facts

Opportunity
Contract value 97% obligated
  • $36,337,321.00 Current, with exercised options
  • $37,393,387.00 Potential, with all options
Completion date 20% complete
Current and potential, with all options
Contracting staff
NAICS code
236220 Commercial and Institutional Building Construction
PSC
Y1EZ Construction Of Other Industrial Buildings
Set-aside
No set-aside
Competition
Full and Open Competition · 3 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 Department of the Air Force awarded a $37.4 million definitive contract to Conti Federal Services, LLC for the B-21 ADD Flight Simulator Phase 2 at Ellsworth Air Force Base, South Dakota on May 13, 2026, with a firm fixed price and no set-aside. The contract ceiling is $37,393,387, with an ultimate completion date of July 21, 2028.

Place of performance is Ellsworth AFB in the Belle Fourche-Cheyenne Valleys area of South Dakota. The originating pre-solicitation, posted September 16, 2025 with an October 3, 2025 response deadline, describes construction of miscellaneous buildings supporting the B-21 bomber program under NAICS code 236220 and PSC code Y1JZ. The work falls under commercial and institutional building construction services as part of a larger infrastructure development effort at the installation.

Quick answers

Who was awarded contract W9128F26CA030?

W9128F26CA030 was awarded to Conti Federal Services, LLC by ENDIST Omaha (US Army Corps of Engineers) on May 13, 2026.

How much is contract W9128F26CA030 worth?

The government has obligated $36,337,321 on W9128F26CA030. Its potential value, with all options, is $37,393,387.

Was contract W9128F26CA030 competed?

The extent of competition for W9128F26CA030 was full and open competition. The government received 3 offers.

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