construction, installation and repair services in the commercial, industrial, and infrastructure industries for indoor and outdoor electrical components and systems; installation, maintenance and repair of traffic signals and advanced traffic management systems; electric and lighting construction and installation; electrical and fire alarm installation; design and installation of cathodic protection systems; installation and maintenance of vehicle detection systems; installation and maintenance of fiber optic systems; construction and installation of EV charging systems; construction and installation of underground electrical components; construction and installation of outdoor lighting; installation and repair of highway signage and lighting; foundation drilling; installation of portable message boards; design and installation of roadway weather information systems; underground construction services; microwave sensor installation for roadways