The Air Force Test Center at Eglin AFB, FL intends to award a sole source contract to GSC Systems INC for upgrading two building Access Control Systems, citing proprietary infrastructure requirements. The contract will be a Firm Fixed Price Commercial Purchase Order, with the anticipated award date of 19 June 2026. Performance of services will occur at Eglin AFB, Florida. No budget amount is specified. This notice is not a request for proposals, but responses will be considered if received by 1:00 PM CDT on 19 June 2026.