Black Diamond Group Limited rents and sells modular space and workforce accommodation solutions. 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, manufacturing, education, financial, and resource industries, as well as government agencies in North America. Its products include office units, lavatories, storage units, large multi-unit office complexes, classroom facilities, banking and health care facilities, 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 products and services. The Workforce Solutions segment provides workforce housing solutions, including rental of accommodations and surface equipment, and provision of turnkey lodging and travel management services in Canada, the United States, and Australia. This segment also provides associated services, such as installation, transportation, demobilization, and sale of used fleet assets. This segment primarily serves the resource, infrastructure, construction, disaster recovery, and education sectors. The company also provides specialized field rentals to oil and gas industries. Black Diamond Group Limited markets its rental assets, custom sales, and ancillary products and services through in-house sales personnel, its website, social media, web campaigns, and its digital marketplace. The company was founded in 2003 and is headquartered in Calgary, Canada.