Complete Building Services (CBS) is a Washington, DC-based facilities management and maintenance company providing operations, maintenance and repair of world-class facilities since 1963 in the Mid-Atlantic Region. Our technical experts deliver cost-effective services for a variety of facility types, including company headquarters, government and commercial office space, educational facilities, hospitals, laboratories, religious institutions, hotels, condominiums, and foreign embassies. We have Facilities Management, Operations & Maintenance, HVAC Services and Energy Management/Building Automation Systems contracts with over 250 clients in Maryland, Virginia, and DC, totaling over 35 million square feet of space. Our highly trained staff takes care of facilities operations needs, allowing our government, commercial and institutional clients to focus on their mission. Our parent organization, The Donohoe Companies, Inc., was founded in 1884. It is the oldest and one of the largest full-service real estate companies in the greater Washington DC area. CBS is proud to be a part of more than 130 years of experience serving property owners and operators.