37 Air conditioning contractor services; Air duct cleaning services; Comprehensive preventative maintenance service for electrical systems; Contractor services, namely, review of and remedial recommendations for building plumbing, electrical and mechanical systems for others; Electric appliance installation and repair; Electrical contracting; Electrical contractor services; Electrical repairs and installation of generators and service panels; Electrical repairs, maintenance, and installation of electrical wiring, outlets, light fixtures, and electrical panels; General contractor services, namely, plumbing, heating and air conditioning, carpentry, drywall, painting, electrical, building and framing contractor services; Heating contractor services; Heating equipment installation and repair; Installation and repair of air conditioning apparatus; Installation and repair of heating, ventilating and air conditioning equipment; Installation and replacement service for heating, ventilating and air conditioning systems; Installation of electrical and generating machinery; Installation of environmentally compliant heating and air conditioning equipment; Installation of wiring and power supply equipment for transmission and distribution of electricity suitable for electric vehicle recharging stations; Installation of geothermal heatpumps; Installation, repair and maintenance of condensing apparatus, steam condensers, radiators for motors and engines, air reheaters, boiler tubes; Installation, repair and maintenance of heating equipment; Interference suppression services for electrical apparatus; Maintenance and repair of heating installations; Maintenance of consumer electric appliances; Plumbing; Plumbing and gas and water installation; Plumbing contractor services; Plumbing services; Repair and installation services, namely, the installation of heating, cooling and environmental control systems primarily using solar energy, renewable energy resources and rainwater; Repair of consumer electric appliances; Repair of household appliances and of residential heating, plumbing, air conditioning, and electrical systems; Repair or maintenance of air-conditioning apparatus; Repair or maintenance of electric lighting apparatus; Repair or maintenance of electric motors; Repair services for electric generators and wind turbines