Stuart Olson, Inc. engages in the provision of general and electrical building systems contracting in the public and private construction markets. It operates through the following segments: Industrial Group, Buildings Group, Commercial Systems Group, and Corporate Group. The Industrial Group segment involves full-service general contracting, including mechanical, process insulation, metal siding and cladding, heating, ventilating and air conditioning (HVAC), asbestos abatement, electrical and instrumentation, high voltage testing and commissioning, and power line construction and maintenance services. The Buildings Group segment delivers construction, expansion, and renovation of buildings for private and public sector clients in the commercial, light industrial, and institutional sectors. The Commercial Systems Group segment designs, builds, and installs a building's electrical infrastructure. The Corporate Group segment includes direction, operating advice and support, supply chain management oversight, asset management services, financing, infrastructure services, and the management of public company requirements to each of its reporting segments. The company was founded on August 31, 1981 and is headquartered in Calgary, Canada.