GDI Integrated Facility Services Inc is engaged in the facility services sector. The company's operating segment includes Business Services Canada, Business Services USA, Technical Services, and Corporate and Other. It generates maximum revenue from the Technical Services segment. The Technical Services segment provides building system controls, mechanical maintenance, and services to heating, ventilation, air conditioning (HVAC), electrical, energy engineering service offering and energy performance optimization, cabling for data transport, high voltage for commercial, industrial, institutional, government and residential building clients.