$22.1M B-21 Munitions Maintenance Facility Contract Awarded to L.S. Black Constructors, USACE – June 9, 2026

L.S. Black Constructors LLC, from Saint Paul, Minnesota, has been awarded a $22,092,640 firm-fixed-price contract on June 9, 2026, for design-bid-build construction of the B-21 munitions maintenance facility at Ellsworth Air Force Base.

Contract Award Details

Contractor: L.S. Black Constructors LLC
Award Date: June 9, 2026
Contract Value: $22,092,640
Project: Design-Bid-Build Construction of B-21 Munitions Maintenance Facility
Location: Ellsworth Air Force Base, South Dakota
Contract Number: W9128F-26-C-A028
Awarding District: U.S. Army Corps of Engineers, Omaha District

Bids were solicited via the internet with five received. Work will be performed in Ellsworth, South Dakota, with an estimated completion date of June 29, 2028. Fiscal 2026 procurement, Defense-wide funds in the amount of $22,092,640 were obligated at the time of the award.


Reach key decision-makers and influencers throughout USACE.

Advertise in the America’s Engineers magazine and on this website!


Don't miss a story! Get your free America's Engineers newsletter!
Digital Edition Sponsor
Get the free newsletter
Stay Connected