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237310 Highway, Street, and Bridge Construction 238110 Poured Concrete Foundation and Structure Contractors 238910 Site Preparation Contractors

236116 New Multifamily Housing Construction (except For-Sale Builders) 236210 Industrial Building Construction 237110 Water and Sewer Line and Related Structures Construction 237310 Highway, Street, and Bridge Construction 237990 Other Heavy and Civil Engineering Construction 238130 Framing Contractors 321992 Prefabricated Wood Building Manufacturing 332311 Prefabricated Metal Building and Component Manufacturing 423450 Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers 561320 Temporary Help Services 624221 Temporary Shelters 624230 Emergency and Other Relief Services

237310 Highway, Street, and Bridge Construction 238110 Poured Concrete Foundation and Structure Contractors 238910 Site Preparation Contractors 238990 All Other Specialty Trade Contractors

213112 Support Activities for Oil and Gas Operations 236220 Commercial and Institutional Building Construction 237130 Power and Communication Line and Related Structures Construction 238910 Site Preparation Contractors 238990 All Other Specialty Trade Contractors 532412 Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing

238110 Poured Concrete Foundation and Structure Contractors

213112 Support Activities for Oil and Gas Operations 213113 Support Activities for Coal Mining 238190 Other Foundation, Structure, and Building Exterior Contractors 238990 All Other Specialty Trade Contractors

332510 Hardware Manufacturing 332710 Machine Shops 332721 Precision Turned Product Manufacturing 332722 Bolt, Nut, Screw, Rivet, and Washer Manufacturing 332911 Industrial Valve Manufacturing 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing

237310 Highway, Street, and Bridge Construction 238320 Painting and Wall Covering Contractors 238990 All Other Specialty Trade Contractors 541330 Engineering Services

324191 Petroleum Lubricating Oil and Grease Manufacturing 325612 Polish and Other Sanitation Good Manufacturing 332999 All Other Miscellaneous Fabricated Metal Product Manufacturing 333120 Construction Machinery Manufacturing 333131 Mining Machinery and Equipment Manufacturing 333515 Cutting Tool and Machine Tool Accessory Manufacturing 333991 Power-Driven Handtool Manufacturing 423810 Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers

333120 Construction Machinery Manufacturing 333922 Conveyor and Conveying Equipment Manufacturing

424120 Stationery and Office Supplies Merchant Wholesalers 541611 Administrative Management and General Management Consulting Services 561210 Facilities Support Services 561720 Janitorial Services 621399 Offices of All Other Miscellaneous Health Practitioners 621999 All Other Miscellaneous Ambulatory Health Care Services

531311 Residential Property Managers 531312 Nonresidential Property Managers

238110 Poured Concrete Foundation and Structure Contractors

236210 Industrial Building Construction 236220 Commercial and Institutional Building Construction 238110 Poured Concrete Foundation and Structure Contractors 238190 Other Foundation, Structure, and Building Exterior Contractors 238910 Site Preparation Contractors

236210 Industrial Building Construction 236220 Commercial and Institutional Building Construction 237110 Water and Sewer Line and Related Structures Construction 237210 Land Subdivision 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 333132 Oil and Gas Field Machinery and Equipment Manufacturing 562910 Remediation Services

238110 Poured Concrete Foundation and Structure Contractors 541380 Testing Laboratories and Services

236210 Industrial Building Construction 238990 All Other Specialty Trade Contractors