The government seeks a firm-fixed-price, non-personal services contract for Physical Access Control Systems Maintenance Services at Fort Belvoir, VA. This combined synopsis/solicitation requests price and technical proposals and states that no separate written solicitation will be issued. Performance is planned for a nine-month base year from 29 September 2026 through 28 June 2027, followed by three twelve-month option years through 28 June 2030. The contractor must be licensed under HSPD-12, GSA, and FIPS 201 standards, and assigned technicians must have at least two years’ experience, with resumes required with the proposal and qualification packages maintained. Offerors selected for award must be registered in SAM, and evaluation will follow FAR 52.212-2.