37 Building construction services; Building demolition; Building repair; Commercial building construction; Construction project management services; Installation of water pipes; Installation of underground utilities including cable, electric, water, and sewer; Installation of surface and sub-surface utility lines and equipment; Leasing of construction equipment; Pipe laying services; Rental of construction and building equipment; Rental of construction equipment; Restoration in the field of pipelines; Snow removal services; Horizontal directional drilling for installing underground utilities and pipelines; Building inspection in the course of building construction; Road paving; Paving contractor services; Construction services, namely, asphalt paving; Construction services, namely, concrete paving; Consulting services for the construction of water and wastewater treatment and purification plants, solid waste treatment plants and other municipal infrastructure facilities; Technical consulting services in the field of water and wastewater treatment; Technical support services, namely, technical advice related to the installation of water and wastewater treatment equipment; Technical support services, namely, technical advice related to the repair of water and wastewater treatment plants; Rental of dredging machinery and equipment; Charitable services, namely, renovating and constructing homes for low income families