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484110 General Freight Trucking, Local 484220 Specialized Freight (except Used Goods) Trucking, Local 484230 Specialized Freight (except Used Goods) Trucking, Long-Distance

238910 Site Preparation Contractors

238310 Drywall and Insulation Contractors 238320 Painting and Wall Covering Contractors 238990 All Other Specialty Trade Contractors 332312 Fabricated Structural Metal Manufacturing 332313 Plate Work Manufacturing 332812 Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers 336611 Ship Building and Repairing

332312 Fabricated Structural Metal Manufacturing

237110 Water and Sewer Line and Related Structures Construction 237990 Other Heavy and Civil Engineering Construction

236220 Commercial and Institutional Building Construction 237110 Water and Sewer Line and Related Structures Construction 237310 Highway, Street, and Bridge Construction 237990 Other Heavy and Civil Engineering Construction 238110 Poured Concrete Foundation and Structure Contractors 238210 Electrical Contractors and Other Wiring Installation Contractors 238990 All Other Specialty Trade Contractors 484110 General Freight Trucking, Local 541320 Landscape Architectural Services

541611 Administrative Management and General Management Consulting Services 541614 Process, Physical Distribution, and Logistics Consulting Services 541618 Other Management Consulting Services 541990 All Other Professional, Scientific, and Technical Services 561622 Locksmiths

238990 All Other Specialty Trade Contractors

332313 Plate Work Manufacturing 332996 Fabricated Pipe and Pipe Fitting Manufacturing 423510 Metal Service Centers and Other Metal Merchant Wholesalers

213112 Support Activities for Oil and Gas Operations 325120 Industrial Gas Manufacturing 811310 Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance

237110 Water and Sewer Line and Related Structures Construction

212319 Other Crushed and Broken Stone Mining and Quarrying 213111 Drilling Oil and Gas Wells 213112 Support Activities for Oil and Gas Operations 237110 Water and Sewer Line and Related Structures Construction 237130 Power and Communication Line and Related Structures Construction 237310 Highway, Street, and Bridge Construction 237990 Other Heavy and Civil Engineering Construction 238110 Poured Concrete Foundation and Structure Contractors 238190 Other Foundation, Structure, and Building Exterior Contractors 238210 Electrical Contractors and Other Wiring Installation Contractors 238910 Site Preparation Contractors 332996 Fabricated Pipe and Pipe Fitting Manufacturing

236210 Industrial Building Construction 236220 Commercial and Institutional Building Construction 237110 Water and Sewer Line and Related Structures Construction 237120 Oil and Gas Pipeline and Related Structures Construction 237130 Power and Communication Line and Related Structures Construction 237310 Highway, Street, and Bridge Construction 237990 Other Heavy and Civil Engineering Construction 238190 Other Foundation, Structure, and Building Exterior Contractors 238910 Site Preparation Contractors 238990 All Other Specialty Trade Contractors 562910 Remediation Services