LW CONTRACTING, INC.

221310 Water Supply and Irrigation Systems 236115 New Single-Family Housing Construction (except For-Sale Builders) 236116 New Multifamily Housing Construction (except For-Sale Builders) 236117 New Housing For-Sale Builders 236118 Residential Remodelers 236210 Industrial Building Construction 236220 Commercial and Institutional Building Construction 237110 Water and Sewer Line and Related Structures Construction 237210 Land Subdivision 237990 Other Heavy and Civil Engineering Construction 238110 Poured Concrete Foundation and Structure Contractors 238120 Structural Steel and Precast Concrete Contractors 238130 Framing Contractors 238140 Masonry Contractors 238150 Glass and Glazing Contractors 238160 Roofing Contractors 238170 Siding Contractors 238190 Other Foundation, Structure, and Building Exterior Contractors 238210 Electrical Contractors and Other Wiring Installation Contractors 238220 Plumbing, Heating, and Air-Conditioning Contractors 238290 Other Building Equipment Contractors 238310 Drywall and Insulation Contractors 238320 Painting and Wall Covering Contractors 238330 Flooring Contractors 238340 Tile and Terrazzo Contractors 238350 Finish Carpentry Contractors 238390 Other Building Finishing Contractors 238910 Site Preparation Contractors 541310 Architectural Services 541320 Landscape Architectural Services 541330 Engineering Services 541340 Drafting Services 541350 Building Inspection Services 541611 Administrative Management and General Management Consulting Services 561790 Other Services to Buildings and Dwellings

Y1AA CONSTRUCTION OF OFFICE BUILDINGS Y1AB CONSTRUCTION OF CONFERENCE SPACE AND FACILITIES Y1AZ CONSTRUCTION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS Y1CA CONSTRUCTION OF SCHOOLS Y1CZ CONSTRUCTION OF OTHER EDUCATIONAL BUILDINGS Y1DA CONSTRUCTION OF HOSPITALS AND INFIRMARIES Y1DB CONSTRUCTION OF LABORATORIES AND CLINICS Y1DZ CONSTRUCTION OF OTHER HOSPITAL BUILDINGS Y1EA CONSTRUCTION OF AMMUNITION FACILITIES Y1EB CONSTRUCTION OF MAINTENANCE BUILDINGS Y1EC CONSTRUCTION OF PRODUCTION BUILDINGS Y1EZ CONSTRUCTION OF OTHER INDUSTRIAL BUILDINGS Y1FA CONSTRUCTION OF FAMILY HOUSING FACILITIES Y1FB CONSTRUCTION OF RECREATIONAL BUILDINGS Y1FC CONSTRUCTION OF TROOP HOUSING FACILITIES Y1FD CONSTRUCTION OF DINING FACILITIES Y1FE CONSTRUCTION OF RELIGIOUS FACILITIES Y1FF CONSTRUCTION OF PENAL FACILITIES Y1FZ CONSTRUCTION OF OTHER RESIDENTIAL BUILDINGS Y1GA CONSTRUCTION OF AMMUNITION STORAGE BUILDINGS Y1GB CONSTRUCTION OF FOOD OR GRAIN STORAGE BUILDINGS Y1GD CONSTRUCTION OF OPEN STORAGE FACILITIES Y1GZ CONSTRUCTION OF OTHER WAREHOUSE BUILDINGS Y1HA CONSTRUCTION OF GOVERNMENT-OWNED CONTRACTOR-OPERATED (GOCO) R&D FACILITIES Y1HB CONSTRUCTION OF GOVERNMENT-OWNED GOVERNMENT-OPERATED (GOGO) R&D FACILITIES Y1HC CONSTRUCTION OF GOVERNMENT-OWNED CONTRACTOR-OPERATED (GOCO) ENVIRONMENTAL LABORATORIES Y1HZ CONSTRUCTION OF GOVERNMENT-OWNED GOVERNMENT-OPERATED (GOGO) ENVIRONMENTAL LABORATORIES Y1JA CONSTRUCTION OF MUSEUMS AND EXHIBITION BUILDINGS Y1JB CONSTRUCTION OF TESTING AND MEASUREMENT BUILDINGS Y1JZ CONSTRUCTION OF MISCELLANEOUS BUILDINGS Y1KZ CONSTRUCTION OF OTHER CONSERVATION AND DEVELOPMENT FACILITIES Y1LZ CONSTRUCTION OF PARKING FACILITIES Y1PA CONSTRUCTION OF RECREATION FACILITIES (NON-BUILDING) Y1PB CONSTRUCTION OF EXHIBIT DESIGN (NON-BUILDING) Y1PC CONSTRUCTION OF UNIMPROVED REAL PROPERTY (LAND) Y1PZ CONSTRUCTION OF OTHER NON-BUILDING FACILITIES Y1QA CONSTRUCTION OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE) Z1AA MAINTENANCE OF OFFICE BUILDINGS Z1AB MAINTENANCE OF CONFERENCE SPACE AND FACILITIES Z1AZ MAINTENANCE OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS Z1CA MAINTENANCE OF SCHOOLS Z1CZ MAINTENANCE OF OTHER EDUCATIONAL BUILDINGS Z1DA MAINTENANCE OF HOSPITALS AND INFIRMARIES Z1DB MAINTENANCE OF LABORATORIES AND CLINICS Z1DZ MAINTENANCE OF OTHER HOSPITAL BUILDINGS Z1EA MAINTENANCE OF AMMUNITION FACILITIES Z1EB MAINTENANCE OF MAINTENANCE BUILDINGS Z1EC MAINTENANCE OF PRODUCTION BUILDINGS Z1ED MAINTENANCE OF SHIP CONSTRUCTION AND REPAIR FACILITIES Z1EZ MAINTENANCE OF OTHER INDUSTRIAL BUILDINGS Z1FA MAINTENANCE OF FAMILY HOUSING FACILITIES Z1FB MAINTENANCE OF RECREATIONAL BUILDINGS Z1FC MAINTENANCE OF TROOP HOUSING FACILITIES Z1FD MAINTENANCE OF DINING FACILITIES Z1FE MAINTENANCE OF RELIGIOUS FACILITIES Z1FF MAINTENANCE OF PENAL FACILITIES Z1FZ MAINTENANCE OF OTHER RESIDENTIAL BUILDINGS Z1GA MAINTENANCE OF AMMUNITION STORAGE BUILDINGS Z1GD MAINTENANCE OF OPEN STORAGE FACILITIES Z1GZ MAINTENANCE OF OTHER WAREHOUSE BUILDINGS Z1HA MAINTENANCE OF GOVERNMENT-OWNED CONTRACTOR-OPERATED (GOCO) R&D FACILITIES Z1HB MAINTENANCE OF GOVERNMENT-OWNED GOVERNMENT-OPERATED (GOGO) R&D FACILITIES Z1HC MAINTENANCE OF GOVERNMENT-OWNED CONTRACTOR-OPERATED (GOCO) ENVIRONMENTAL LABORATORIES Z1HZ MAINTENANCE OF GOVERNMENT-OWNED GOVERNMENT-OPERATED (GOGO) ENVIRONMENTAL LABORATORIES Z1JA MAINTENANCE OF MUSEUMS AND EXHIBITION BUILDINGS Z1JB MAINTENANCE OF TESTING AND MEASUREMENT BUILDINGS Z1JZ MAINTENANCE OF MISCELLANEOUS BUILDINGS Z1KZ MAINTENANCE OF OTHER CONSERVATION AND DEVELOPMENT FACILITIES Z1LZ MAINTENANCE OF PARKING FACILITIES Z1NE MAINTENANCE OF WATER SUPPLY FACILITIES Z1NZ MAINTENANCE OF OTHER UTILITIES Z1PA MAINTENANCE OF RECREATION FACILITIES (NON-BUILDING) Z1PB MAINTENANCE OF EXHIBIT DESIGN (NON-BUILDING) Z1PC MAINTENANCE OF UNIMPROVED REAL PROPERTY (LAND) Z1PZ MAINTENANCE OF OTHER NON-BUILDING FACILITIES Z1QA MAINTENANCE OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE) Z2AA REPAIR OR ALTERATION OF OFFICE BUILDINGS Z2AB REPAIR OR ALTERATION OF CONFERENCE SPACE AND FACILITIES Z2AZ REPAIR OR ALTERATION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS Z2CA REPAIR OR ALTERATION OF SCHOOLS Z2CZ REPAIR OR ALTERATION OF OTHER EDUCATIONAL BUILDINGS Z2DA REPAIR OR ALTERATION OF HOSPITALS AND INFIRMARIES Z2DB REPAIR OR ALTERATION OF LABORATORIES AND CLINICS Z2DZ REPAIR OR ALTERATION OF OTHER HOSPITAL BUILDINGS Z2EA REPAIR OR ALTERATION OF AMMUNITION FACILITIES Z2EB REPAIR OR ALTERATION OF MAINTENANCE BUILDINGS Z2EC REPAIR OR ALTERATION OF PRODUCTION BUILDINGS Z2ED REPAIR OR ALTERATION OF SHIP CONSTRUCTION AND REPAIR FACILITIES Z2EZ REPAIR OR ALTERATION OF OTHER INDUSTRIAL BUILDINGS Z2FA REPAIR OR ALTERATION OF FAMILY HOUSING FACILITIES Z2FB REPAIR OR ALTERATION OF RECREATIONAL BUILDINGS Z2FC REPAIR OR ALTERATION OF TROOP HOUSING FACILITIES Z2FD REPAIR OR ALTERATION OF DINING FACILITIES Z2FE REPAIR OR ALTERATION OF RELIGIOUS FACILITIES Z2FF REPAIR OR ALTERATION OF PENAL FACILITIES Z2FZ REPAIR OR ALTERATION OF OTHER RESIDENTIAL BUILDINGS Z2GA REPAIR OR ALTERATION OF AMMUNITION STORAGE BUILDINGS Z2GB REPAIR OR ALTERATION OF FOOD OR GRAIN STORAGE BUILDINGS Z2GD REPAIR OR ALTERATION OF OPEN STORAGE FACILITIES Z2GZ REPAIR OR ALTERATION OF OTHER WAREHOUSE BUILDINGS Z2HA REPAIR OR ALTERATION OF GOVERNMENT-OWNED CONTRACTOR-OPERATED (GOCO) R&D FACILITIES Z2HB REPAIR OR ALTERATION OF GOVERNMENT-OWNED GOVERNMENT-OPERATED (GOGO) R&D FACILITIES Z2HC REPAIR OR ALTERATION OF GOVERNMENT-OWNED CONTRACTOR-OPERATED (GOCO) ENVIRONMENTAL LABORATORIES Z2HZ REPAIR OR ALTERATION OF GOVERNMENT-OWNED GOVERNMENT-OPERATED (GOGO) ENVIRONMENTAL LABORATORIES Z2JA REPAIR OR ALTERATION OF MUSEUMS AND EXHIBITION BUILDINGS Z2JB REPAIR OR ALTERATION OF TESTING AND MEASUREMENT BUILDINGS Z2JZ REPAIR OR ALTERATION OF MISCELLANEOUS BUILDINGS Z2LZ REPAIR OR ALTERATION OF PARKING FACILITIES Z2NZ REPAIR OR ALTERATION OF OTHER UTILITIES Z2PA REPAIR OR ALTERATION OF RECREATION FACILITIES (NON-BUILDING) Z2PB REPAIR OR ALTERATION OF EXHIBIT DESIGN (NON-BUILDING) Z2PC REPAIR OR ALTERATION OF UNIMPROVED REAL PROPERTY (LAND) Z2PD REPAIR OR ALTERATION OF WASTE TREATMENT AND STORAGE FACILITIES Z2PZ REPAIR OR ALTERATION OF OTHER NON-BUILDING FACILITIES Z2QA REPAIR OR ALTERATION OF RESTORATION OF REAL PROPERTY (PUBLIC OR PRIVATE)