This opportunity is for a base year plus four option years to provide maintenance and sustainment for the Integrated Base Defense Security System and Flight Line Entry Control System at Joint Base Andrews (JBA) in Maryland. The contract will be awarded on a lowest price, technically acceptable basis, and the work requires both physical and mechanical on-site maintenance at each entry control point. The government is particularly interested in designated small businesses with SBA certification under NAICS code 561621, with a size standard of $25.0 million. Responses must be submitted electronically by 2:30 PM Eastern Standard Time on 3 June 2026. Teaming with other qualified socio-economic partners is permitted.