Plumbing, Heating, and Air-Conditioning Contractors, Other Building Equipment Contractors, Plate Work Manufacturing, Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers, Fabricated Pipe and Pipe Fitting Manufacturing

Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Painting and Wall Covering Contractors, All Other Specialty Trade Contractors

Wood Container and Pallet Manufacturing, Commercial Gravure Printing, Commercial Screen Printing, Adhesive Manufacturing, Prefabricated Metal Building and Component Manufacturing

Industrial Building Construction, Tile and Terrazzo Contractors, Other Building Finishing Contractors, All Other Specialty Trade Contractors, Pulp Mills