Class 037
Construction and Repair Services
Air duct cleaning services; cable laying; electrical contracting services; electrical repair and installation of lighting; installation of cable television systems; installation of cables for Internet access; installation of electrical systems; installation of electrical wiring; installation, maintenance and repair of building automation equipment; installation, maintenance and repair of control equipment for heating, ventilation and air-conditioning; installation, maintenance and repair of duct work; installation, maintenance and repair of fire, smoke and heat alarms; installation, maintenance and repair of heating, ventilating, and air conditioning equipment and systems; installation, maintenance and repair of refrigeration equipment; plumbing services; renovation, repair and maintenance of electrical wiring; repair of telephone cables; residential, commercial and industrial installation and repair of computer wiring cabling
