NATIONAL SERVICES INC

Construction; CONSTRUCTION, BRIDGE AND DRAWBRIDGE (INCLUDES RECONSTRUCTION/REHABILITATION); VOCATIONAL TRAINING, ALL TYPES (INCLUDING VOCATIONAL REHABILITATION AND TECHNICAL EDUCATION); WATER AND SEWER LINE AND RELATED STRUCTURES CONSTRUCTION (SPECIFICALLY: UNDERGROUND UTILITIES (VDOT SUBCONTRACTOR ONLY)); OTHER HEAVY AND CIVIL ENGINEERING CONSTRUCTION (SPECIFICALLY: ROADSIDE DEVELOPMENT (VDOT SUBCONTRACTOR ONLY)); SITE PREPARATION CONTRACTORS (SPECIFICALLY: CLEARING AND GRUBBING (VDOT SUBCONTRACTOR ONLY)); FABRICATED PIPE AND PIPE FITTING MANUFACTURING; BRICK, STONE, AND RELATED CONSTRUCTION MATERIAL MERCHANT WHOLESALERS (SPECIFICALLY: CONDUIT AND PIPE, CONCRETE, MERCHANT WHOLESALERS CULVERT PIPE, CONCRETE, MERCHANT WHOLESALERS GRAVEL, CONSTRUCTION, MERCHANT WHOLESALERS SEWER PIPE, CLAY (EXCEPT REFRACTORY) MERCHANT WHOLESALERS ONLY); OTHER CONSTRUCTION MATERIAL MERCHANT WHOLESALERS (SPECIFICALLY: CULVERT PIPE, METAL AND PLASTICS MERCHANT WHOLESALERS ONLY); WHOLESALE TRADE AGENTS AND B

Construction; CONSTRUCTION SERVICES, HEAVY (INCL. MAINTENANCE AND REPAIR SERVICES); INVESTIGATIVE SERVICES; ADDITION, ALTERATION AND RENOVATION (I.E., CONSTRUCTION), RESIDENTIAL BUILDING; CONCRETE PAVING (I.E., HIGHWAY, ROAD, STREET, PUBLIC SIDEWALK); HIGHWAY, STREET, AND BRIDGE CONSTRUCTION; RETAINING WALL, MASONRY (I.E., BLOCK, BRICK, STONE), CONSTRUCTION; DEMOLITION, BUILDING AND STRUCTURE; CONCRETE PAVING, RESIDENTIAL AND COMMERCIAL DRIVEWAY AND PARKING AREA