From facilities maintenance and custodial services to security systems, Constellis offers a comprehensive spectrum of operations and maintenance (O&M) services designed to meet our customers’ unique requirements and ensure business continuity.

Constellis has domestic and international offices configured to support a wide range of needs, providing management, supervision, labor, materials and equipment to perform all O&M services. We are flexible and support meeting change requirements, new equipment, and servicing new facilities as well as routine requirements.

Our O&M experience includes historical buildings, large office buildings, and many Government buildings, including high-profile facilities with important missions and critical functions. We have delivered life-cycle management, preventive maintenance (PM), emergency/urgent and routine unscheduled services, custodial, and related services at large, geographically dispersed facilities.