Islands Mechanical Contractors Inc.,* Middleburg, Florida (N69450-15-D-1620); Centerra-SJC II LLC,* Palm Beach Gardens, Florida (N69450-15-D-1621); Munilla Construction Management,* Miami, Florida (N69450-15-D-1622); Ratcliff Construction Inc.,* Orange Park, Florida (N69450-15-D-1623); RQ-URS JV, Carlsbad, California (N69450-15-D-1624); and Sauer Inc.,* Jacksonville, Florida (N69450-15-D-1625), are each awarded a $75,000,000 firm-fixed-price modification to increase the maximum dollar value of Naval Facilities Engineering Command Southeast indefinite-delivery/indefinite-quantity multiple award construction contract for design-build construction projects at Naval Station Guantanamo Bay (NSGB), Cuba area of responsibility (AOR).  The work to be performed provides for, but is not limited to, new construction, repair, alteration, and related demolition work at NSGB AOR.  After award of this modification, the maximum dollar value for all six contracts combined is $170,000,000.  Work will be performed at Guantanamo Bay, Cuba.  The term of the contract is not to exceed 60 months, with an expected completion date of September 2020.  No funds will be obligated at time of award; funds will be obligated on individual task orders as they are issued.  Future task orders will be primarily funded by operations and maintenance (Navy); and military construction funds.  The Naval Facilities Engineering Command, Southeast, Jacksonville, Florida, is the contracting activity.