Installation of electrical systems included in schools, colleges, universities, hospitals, theaters, libraries, parking garages, public and governmental buildings, water treatment plants, waste water treatment plants, prison additions, prison renovations, and office buildings; Contractor services, namely, review of and remedial recommendations for electrical systems for others; Electrical contracting; Electrical contractor services; Installation of electrical systems in buildings and structures; Installation of electrical wiring, outlets, light fixtures, and electrical panels; Installation of burglar and/or fire alarms; Installation of electrical and generating machinery; Installation of security systems; Installation of solar energy systems and alternative energy products for commercial use; Installation of utilities in the nature of electrical systems in construction sites; Installation of wiring in accessible geographical locations for distribution of electricity suitable for electric vehicle recharging stations; Modification of electrical systems; Installation of utilities in construction sites; Maintenance of electrical systems; Providing information related to the installation, maintenance and repair of electrical systems