The 28th Contracting Squadron at Ellsworth AFB, South Dakota, seeks a single Firm Fixed Price contract for maintenance of the Infrared Radiant Heating Systems on Ellsworth AFB. The contract is expected to include one base year plus four option years, with a projected period of performance from 8 December 2026 through 7 December 2031. It is a 100% Small Business set-aside under NAICS 238220 with a size standard of $19M. Interested vendors must be certified small businesses, have and list their CAGE code, and be registered and active in SAM at www.sam.gov. Award will be made based on the criteria established in the solicitation.