This is a firm-fixed-price delivery order awarded by the Air Combat Command (ACC) to Weldin Construction LLC, an SBA-certified HUBZone small business, to repair the HVAC system in Building 584 at Nellis Air Force Base in Nevada. The contract has a ceiling value of $556,501.04 and a completion date of January 31, 2019. Weldin Construction, a subsidiary of the Alaska Native regional corporation Cook Inlet Region Inc. (Ciri), specializes in construction, engineering, and facility maintenance services for federal agencies. In addition to this delivery order, Weldin holds several larger indefinite-delivery, indefinite-quantity (IDIQ) contracts with the Department of the Navy, Installation Management Command Pacific Region, and Naval Facilities Engineering Command to provide recurring design-build, design-bid-build, and construction services at military facilities in Guam, Alaska, and Hawaii.