Black Diamond Group Limited rents and sells modular space and workforce accommodation solutions in Canada, the United States, and Australia. It operates through two segments, Modular Space Solutions and Workforce Solutions. The Modular Space Solutions segment provides modular space rentals to customers in the construction, real estate development, education, manufacturing, health care, financial, government, and defense industries in North America. Its products include office units, lavatories, storage units, large multi-unit office complexes, classroom facilities, banking and health care facilities, high security modular buildings, custom manufactured modular facilities, and blast resistant structures. This segment also sells new and used space rentals units; and provides delivery, installation, project management, and ancillary rental items, products, and services. It serves construction, real estate development, education, manufacturing, health care, financial, government, and defense sectors. The Workforce Solutions segment provides workforce housing solutions, including rental of accommodations and surface equipment, and turnkey lodging and travel management logistics services. This segment also provides associated services, such as installation, transportation, dismantlement, and sale of used fleet assets. Black Diamond Group Limited was founded in 2003 and is headquartered in Calgary, Canada.