Advisory services relating to building construction excavating; advisory services relating to the construction of buildings; building construction; building construction and repair; building construction contracting services; building demolition; cement parging of interior and exterior stone block and concrete foundations; cleaning of industrial premises; construction and maintenance services relating to water irrigation; construction and renovation of buildings; construction and renovation of residential and commercial properties; construction and repair of buildings; construction dewatering, namely, the removal of surface waters and groundwater to facilitate the construction of structures and pipelines; construction of buildings; construction of dams; construction of natural gas infrastructure, pipeline infrastructure, civil electrical underground infrastructure, underground utilities, trenches, and boreholes; construction of pipelines; construction of sewerage systems; construction project management services; construction services, namely, concrete paving; construction services, namely, excavation; construction services, namely, grading; construction services, namely, installation of environmental containment systems; construction services, namely, site clearing; construction site preparation; consultancy services relating to the construction of buildings; consultation in building construction supervision; consulting services for offshore oil and gas facility construction; demolition of buildings; demolition of roads; drain and sewer cleaning and rootering services; earthworks services in the nature of building of embankments; elevator installation and repair; foundation contractor services; gas pipeline evacuation services; general building and infrastructure contractor services; general building contractor services; general contracting services in the field of excavation; installation and repair of cellular telephone hubs; installation of pipelines; installation of utilities in construction sites; installation, maintenance and repair of compressors; laying and construction of pipelines; laying of foundations; laying, repair, maintenance, replacement and refurbishment of gas pipelines; maintenance and repair of pipelines; maintenance and repair of turbines, compressors, impellers, conveyor belts, mining shovels; moulding of concrete for construction purposes; municipal road and sidewalk maintenance services; pavement construction; pipeline construction; pipeline construction and maintenance; pipeline construction services; pipeline laying; project management in the field of building and infrastructure construction; providing on-line information to assist customers in selecting appropriate foundations for constructing and supporting street lighting structures; repair and maintenance of conveyors; repair and maintenance of elevators lifts; repairing corrosive or leaking pipes through pipelining, namely, coating the inside of the pipe with a durable safe epoxy; road cleaning; road construction services; road paving; road sanding services; road sealing and stripping; septic tank cleaning; septic tank pumping and cleaning; sewer and drain cleaning, inspection, repair, replacement and maintenance services; storage tank cleaning; street cleaning; street construction; tunnel construction

Public utility services in the form of electricity distribution; public utility services in the form of natural gas distribution; public utility services in the form of water distribution; transmission of oil and gas through pipelines; utility services transmission of electricity and natural gas

Conducting wellbore survey services for the oil and gas, energy, mining, environmental and construction industries; design of geological surveys; design of land surveys; drafting of plans for road projects; engineering surveying services; geological surveying; land and road surveying; land surveying; locating and marking the placement of underground utility pipes, cables or wires; mapping services; pipeline inspection services; planning of buildings and infrastructure systems for buildings; surveying of road condition; technical design and planning of pipelines for gas, water and waste water; technical surveying; topographic surveying