ABBA Construction Inc., Jacksonville, Florida (FA2521-21-D-0004); Alen Construction Group, Davie, Florida (FA2521-21-D-0005); APC Construction, Harvey, Louisiana (FA2521-21-D-0006); CORE Engineering & Construction Inc., Winter Park, Florida (FA2521-21-D-0007); Doyon Management Services LLC, Federal Way, Washington (FA2521-21-D-0008); General Mechanical Corp (Oneida), Daytona Beach, Florida (FA2521-21-D-0009); Healtheon Inc., New Orleans, Louisiana (FA2521-21-D-0010); Ivey’s Construction Inc., Merritt Island, Florida (FA2521-21-D-0011); Justin J. Reeves LLC, Houma, Louisiana (FA2521-21-D-0012); and Klutina Rivers Construction/AHTNA-CDM JV, Irvine, California (FA2521-21-D-0013), have each been awarded a ceiling $750,000,000 indefinite-delivery/indefinite-quantity contract for installation infrastructure repair and/or construction. These contracts provide for a full range of design, construction and engineering activities necessary to meet Space Force and other customer requirements. Work will be performed at Patrick Space Force Base (SFB), Florida; Cape Canaveral Space Force Station, Florida; Kennedy Space Center, Florida; and other 45th Space Wing units geographically separated throughout Florida. Work is expected to be completed May 2, 2031. This award is the result of a competitive acquisition and 59 offers were received. Fiscal 2021 operation and maintenance funds in the amount of $1,000 per contract are being obligated at the time of award. The 45th Contracting Squadron, Patrick SFB, Florida, is the contracting activity.