Electrical contractor services; General contractor services, namely, plumbing, heating and air conditioning, carpentry, drywall, painting, electrical, building and framing contractor services; Contractor services, namely, review of and remedial recommendations for building plumbing, electrical and mechanical systems for others; Repair and maintenance of electricity generators; Repair or maintenance of power generators; Maintenance and repair of electricity generators; Providing information relating to the repair or maintenance of power generators; Maintenance, repair, replacement and tuning of components, parts or systems in steam and gas turbine generators; Cleaning services, namely, mechanically removing scale and sludge from tubes in steam generators in nuclear power plants; Electrical contracting; Electrical repairs, maintenance, and installation of electrical wiring, outlets, light fixtures, and electrical panels; Installation of electrical wiring; Repair of consumer electrical appliances; Maintenance of consumer electrical appliances; Interference suppression services for electrical apparatus; Installation and repair of electrical appliances; Comprehensive preventative maintenance service for electrical systems; Installation, maintenance and repair of electrical lighting apparatus; Providing information relating to the repair or maintenance of consumer electrical appliances; Provision of information relating to the repair or maintenance of consumer electrical appliances; Repair of household appliances and of residential heating, plumbing, air conditioning, and electrical systems; Maintenance of electric hotplates; Repair of electric hotplates; Maintenance of consumer electric appliances; Repair of consumer electric appliances; Electric appliance installation and repair; Repair or maintenance of electric lighting apparatus; Repair services for electric generators and wind turbines; Providing information relating to the repair or maintenance of electric motors; Providing information relating to the repair or maintenance of electric lighting apparatus; Provision of information relating to the repair or maintenance of electric motors; Providing technical support, namely, technical advice concerning the installation, repair and maintenance of electric or electronic apparatus, equipment and devices used for automated or partly automated industrial operations