Erosion control sheeting or fabric for construction use; Nonmetal tubular liners for the lining of sewer systems; Non-metal parking curbs; Building stone; Asphalt
Nonmetallic Building MaterialsBuilding construction for civil infrastructure projects; Land development services, namely, planning and laying out of commercial buildings; Real estate development services in the field of heavy civil construction and commercial sitework; Earthworks services in the nature of excavating for building construction; Construction grading services; Construction consultation
Building Construction and RepairHydrologic and engineering modeling and design of measures to protect areas likely to be inundated by storm-water and flood-waters
Computer and Scientific