General building contractor services; Construction project management services; Construction of airports; Construction services, namely, concrete paving, site clearing, excavation, pad preparation, grading, and asphalt paving services; Pavement stripping; Maintenance and repair of buildings; Concrete construction; Concrete pouring and forming for buildings and other commercial or public concrete structures; Electrical repairs and installation of on-site building lighting systems, traffic signals, airport lighting systems for runway, taxiway, and FAA lights, concrete encased electrical and communication duct banks, intelligent transportation systems, refrigerated container monitoring systems; Installation of lighting apparatus, lighting instruments and lighting systems; Installation and maintenance of irrigation systems; Construction and installation of masonry walls and structures; Marine terminal construction; Construction of roadways and highways; Sewer construction services; Construction and installation of storm drainage systems; Waterline construction services; Drain and sewer cleaning and rootering services