Blue Oak Projects LLC, Winchester, Tennessee (FA910-23-D-B006); Ingenium-Spectrum SDVOSB JV II LLC, Oak Ridge, Tennessee (FA910-23-D-B007); LHH Construction Services Inc., Florence, Alabama (FA910-23-D-B008); and Bacik Group LLC, Pelham, Alabama (FA910-23-D-B009), have been awarded a five-year $99,000,000 ceiling indefinite-delivery/indefinite-quantity, firm-fixed-price contract for the Civil Engineering Building and Utilities Mechanical Program III at Arnold Air Force Base, Tennessee. These contracts provide for mechanical installation, minor construction, infrastructure sustainment; and maintenance and repair of heating ventilation, air conditioning systems, water systems (raw, potable, industrial, fire protection), steam systems, and fuel systems projects. Work will be performed at Arnold AFB, Tennessee, and is expected to be completed by Aug. 15, 2028. These contracts were the result of a competitive acquisition and four offers were received. Fiscal 2023 research, development, test, and evaluation funds in the amount of $705,653 are being obligated at time of award. The Air Force Test Center, Arnold AFB, Tennessee, is the contracting activity.