❖ 213112 - Support Activities for Oil and Gas Operations
❖ 236115 - New Single-Family Housing Construction (except
                     For-Sale Builders)
❖ 236116 - New Multifamily Housing Construction (except
                    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
❖ 237120 - Oil and Gas Pipeline and Related Structures
                     Construction
❖ 237130 - Power and Communication Line and Related
                     Structures Construction
❖ 237310 - Highway, Street, and Bridge 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
❖ 531311 - Residential Property Managers
❖ 53210 -  Offices of Real Estate Agents & Brokers
❖ 541310 - Architectural Services
❖ 541320 - Landscape Architectural Services
❖ 541350 - Building Inspection Services
❖ 541360 - Geophysical Surveying and Mapping Services
❖ 541370 - Surveying and Mapping (except Geophysical)
                     Services
❖ 541620 - Environmental Consulting Services
❖ 561612 - Security Guards and Patrol Services

❖ 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
❖ 238990 - All Other Specialty Trade Contractors
❖ 314910 - Textile Bag and Canvas Mills
❖ 423830 - Industrial Machinery and Equipment Merchant
                    Wholesalers
❖ 423860 - Transportation Equipment and Supplies
                    (except Motor Vehicle) Merchant Wholesalers
❖ 425120 - Wholesale Trade Agents and Brokers
❖ 483112 - Deep Sea Passenger Transportation
❖ 531110 - Lessors of Residential Buildings and Dwellings
❖ 531120 -  Lessors of Nonresidential Buildings (except
                      Miniwarehouses)
❖ 531130 -  Lessors of Miniwarehouses and Self-Storage
                      Units
❖ 531190 - Lessors of Other Real Estate Property
❖ 561720 - Janitorial Services
❖ 561730 - Landscaping Services
❖ 562111 - Solid Waste Collection
❖ 562112 - Hazardous Waste Collection
❖ 562119 - Other Waste Collection
❖ 562211 - Hazardous Waste Treatment and Disposal
❖ 562910 - Remediation Services
❖ 562991 - Septic Tank and Related Services
❖ 624230 - Emergency and Other Relief Services