CMS Corp.,* Bargersville, Indiana (N69450-17-D-0506); EMR Inc.,* Niceville, Florida (N69450-17-D-0507); Leebcor Services LLC,* Williamsburg, Virginia (N69450-17-D-0508); MOWA Barlovento LLC JV,* Gautier, Mississippi (N69450-17-D-0509); Whitesell-Green Inc.,* Pensacola, Florida (N69450-17-D-0510), are awarded a combined $64,800,000 firm-fixed-price, indefinite-delivery/indefinite-quantity multiple award contract modification to previously awarded contracts for construction projects located within the Tennessee, Mississippi, Florida Panhandle area of operations (AO) managed by the Naval Facilities Engineering Systems Command (NAVFAC) Southeast. This modification provides for the new construction, renovation, alteration, demolition, repair work, and any necessary design including:  industrial, airfield, aircraft hangar, aircraft traffic control, infrastructure, administrative, training, dormitory, and community support facilities. The contract modification increases the contract maximum not-to-exceed capacity from $99,000,000 to $163,800,000. After award of this modification, the total cumulative value for all five contracts will be $163,800,000. Work will be performed in Florida (49%); Mississippi (35%); Tennessee (15%); and the remainder of the NAVFAC Southeast AO (1%). The term for all five contracts combined will not exceed 60 months, with an expected completion date of June 2022. No funds will be obligated at time of award. Future awards will be primarily funded with operation and maintenance (Navy) and military construction (Navy) funds. NAVFAC Southeast, Jacksonville, Florida, is the contracting activity.