Construction services rendered to others, namely, paving wastewater treatment plants and lift stations; Paving contractor services; Concrete paving, maintenance, application of seal coating, and crack repair services; Asphalt paving, sealing and repair services; Construction project management services in the field of energy and energy generation equipment support structures and ancillary structures; Electrical contractor services; Contractor services, namely, review of and remedial recommendations for electrical systems for others; Comprehensive preventative maintenance service for electrical systems; Consulting services for the construction of water treatment and purification plants, wastewater lift stations, sound walls in the nature of noise barriers, municipal solid waste treatment plants, and other municipal infrastructure facilities; Construction services, namely, planning, laying out and construction of waste water treatment plants, lift stations, and sound walls in the nature of noise barriers; Construction project management services in the heavy civil construction field, and in the fields of oil and gas exploration and production; Pipeline construction and maintenance; Construction and maintenance of midstream and downstream oil and gas compressors and compressor stations; Utility equipment and transmission right-of-way construction site clearing, site cleaning, construction, maintenance, and repair services for utility equipment; Oil field construction services in the nature of roustabout services, namely, installation of and repairing of oil field machinery and equipment, and well site preparation and maintenance; Installation, repair, and maintenance, and field servicing of artificial lift systems and components, namely, wellhead drives, power units, and hydraulic and electric systems for use in the oil and gas industry and in the waste management industry; Construction services, namely, pad preparation, grading, concrete and asphalt paving services; Construction consultation and project management services in the commercial, industrial, municipal, residential, and oil and gas fields; Construction services in the nature of construction of underground utilities, namely, pipelines, water and wastewater systems, and sanitary and storm sewer conveyance systems; Land development and construction services in the nature of site work, namely, grading, clearing, placement and compaction of rock, sand, dirt, trees, asphalt, concrete, and trash from building sites, preparing building pads