The Army Contracting Command is seeking a contractor to provide comprehensive on-site maintenance, repair, and technical support for Electronic Security Systems, including Intrusion Detection and Access Control Systems, at Crane Army Ammunition Activity (CAAA). The contract will be a single Firm Fixed Price award to the lowest price technically acceptable offeror, set aside for small businesses under NAICS code 561621. A mandatory site visit at CAAA is scheduled for July 7, 2026, and all offerors must be registered in SAM. The performance period includes a base year and four option years, with services to be performed on-site at CAAA. No budget amount is specified in the description.