Industrial Building Construction, Commercial and Institutional Building Construction, Architectural Services, Engineering Services

Administration of Education Programs

Lessors of Nonresidential Buildings (except Miniwarehouses)

New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), Commercial and Institutional Building Construction

Wholesale Trade Agents and Brokers

Electrical Contractors, Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufactur, Engineering Services, Security Systems Services (except Locksmiths)

Administrative Management and General Management Consulting Services

Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

Other Scientific and Technical Consulting Services

Custom Computer Programming Services

Sporting Goods Stores, Testing Laboratories

Custom Computer Programming Services

New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), Residential Remodelers, Industrial Building Construction

Other Building Finishing Contractors, Office Furniture (except Wood) Manufacturing, Furniture Stores, Used Merchandise Stores, Mail-Order Houses

Landscaping Services

Water and Sewer Line and Related Structures Construction

Industrial Mold Manufacturing

Software Publishers, Engineering Services, Process, Physical Distribution, and Logistics Consulting Services, Other Management Consulting Services, Other Scientific and Technical Consulting Services

Libraries and Archives, All Other Information Services, Health and Welfare Funds, Testing Laboratories, All Other Professional, Scientific, and Technical Services

Surgical Appliance and Supplies Manufacturing