The first civilian service supplier at any military base in Canada to take on all non-military service functions. CBO is a joint venture partnership between Black & McDonald and Day & Zimmermann Services, a division of Day & Zimmermann, Inc., of Pennsylvania, specializing in military base support services. CBO provides essential support services at ATC Meaford, including: weapons repair, food services, and computer infrastructure support, among others.

Canadian Base Operators Inc. (CBO) is a Canadian registered joint venture company. Its major partners are Black & McDonald Limited and Day & Zimmermann Services Inc. CBO was formed with the business objective of focusing on the efficient management, operation and maintenance of Canadian Forces' (CF) facilities. This joint venture brings the experience and strengths of the partners, each with their proven records of success in providing the management tools, methods and procedures, administrative, operations and maintenance services to both government and commercial clients. The combined companies bring successful performance experience from over 25 active locations in Canada and the United States. This includes directly related experience from performing various operations and maintenance functions on Navy, Air Force, Marine and Army Bases, including: The Land Force Central Area Training Centre, at Meaford, Ontario, the first Canadian Military Facility to be contracted to a civilian service supplier for facilities support services.