Finfish Farming and Fish Hatcheries, Other Animal Aquaculture, Hunting and Trapping, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders)

Explosives Manufacturing, Aluminum Sheet, Plate, and Foil Manufacturing, Metal Tank (Heavy Gauge) Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing

Support Activities for Oil and Gas Operations, Water Supply and Irrigation Systems, Other Fabricated Wire Product Manufacturing, Machine Shops, Precision Turned Product Manufacturing

Plumbing, Heating, and Air-Conditioning Contractors, Iron and Steel Mills, Other Metal Valve and Pipe Fitting Manufacturing, Fabricated Pipe and Pipe Fitting Manufacturing, Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers

Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Industrial Valve Manufacturing, Fluid Power Valve and Hose Fitting Manufacturing, Plumbing Fixture Fitting and Trim Manufacturing

Framing Contractors, Finish Carpentry Contractors, All Other Plastics Product Manufacturing, Metal Window and Door Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing

Rubber and Plastics Hoses and Belting Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Fluid Power Valve and Hose Fitting Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing

Plate Work Manufacturing, Sheet Metal Work Manufacturing, Hardware Manufacturing, Machine Shops, Precision Turned Product Manufacturing

Fabricated Structural Metal Manufacturing, Sheet Metal Work Manufacturing, Machine Shops, Precision Turned Product Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing

Rubber and Plastics Hoses and Belting Manufacturing, Fluid Power Valve and Hose Fitting Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing, Fabricated Pipe and Pipe Fitting Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing

Other Nonferrous Foundries (except Die-Casting), Other Metal Valve and Pipe Fitting Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing

Steam and Air-Conditioning Supply, Plumbing, Heating, and Air-Conditioning Contractors, Other Building Equipment Contractors, Petroleum Refineries, Other Metal Valve and Pipe Fitting Manufacturing

Other Metal Valve and Pipe Fitting Manufacturing, Fabricated Pipe and Pipe Fitting Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing, Air Purification Equipment Manufacturing, Pump and Pumping Equipment Manufacturing

CHESAPEAKE

Lead Ore and Zinc Ore Mining, Copper Ore and Nickel Ore Mining, Dimension Stone Mining and Quarrying, Crushed and Broken Limestone Mining and Quarrying, Crushed and Broken Granite Mining and Quarrying

ALEXANDRIA

WINCHESTER

Rubber and Plastics Hoses and Belting Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Fluid Power Valve and Hose Fitting Manufacturing, Plumbing Fixture Fitting and Trim Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing

LYNCHBURG

Plumbing, Heating, and Air-Conditioning Contractors, Plastics Plumbing Fixture Manufacturing, Other Metal Valve and Pipe Fitting Manufacturing, All Other Miscellaneous Fabricated Metal Product Manufacturing, Engineering Services