Erie Forge and Steel, Erie, Pennsylvania (N00104-23-D-GZ01); Steel America, Norfolk, Virginia (N00104-23-D-C001); Collins Machine Works, Portsmouth, Virginia (N00104-23-D-C101); Bender CCP, Vernon, California (N00104-23-D-C201); and North American Forgemasters, New Castle, Pennsylvania (N00104-23-D-GY01), are awarded an estimated $137,000,000 firm-fixed-price, indefinite-delivery/indefinite-quantity, multiple-award contract for the procurement of waterborne surface shafts. Each contract is for a five-year period with no options. Work will be completed by July 2028. All work will be performed in the various contractor facilities identified at task order level that cannot be determined at this time. Working capital funds (Navy) in the amount of $2,500 will be obligated ($500 on each of the five contracts) to fund the contracts’ minimum amount, and funds will not expire at the end of the fiscal year. Individual task orders will be subsequently funded with appropriate fiscal year appropriations at the time of their issuance. The requirement is full and open competition with five offers received. Naval Supply Systems Command Weapon Systems Support, Mechanicsburg, Pennsylvania, is the contracting activity.