The government seeks quotes for a single Basic Ordering Agreement covering annual preventive maintenance, unscheduled emergency repair, and certified quarterly air quality sampling for high-pressure breathing air compressor systems supporting Fire Emergency Services. Performance will be at Edwards AFB, CA and Air Force Plant 42, Palmdale, CA, with the contractor providing all personnel, equipment, tools, materials, supervision, and related items per the Statement of Work. This is full and open competition, and award will be made to the responsible offeror whose quote provides the best value after comparative evaluation of Technical Capability, Past Performance, and Price, without formal adjectival or numerical ratings. Written questions must be sent to the listed government contacts, and consolidated answers are expected by amendment on or about 30 October 2026. Offerors handling Federal Contract Information must complete a CMMC Level 1 self-assessment and post it in SPRS; the government reserves the right to award without discussions.