All Other Specialty Trade Contractors

Painting and Wall Covering Contractors

Paint and Coating Manufacturing

Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers

Structural Steel and Precast Concrete Contractors, All Other Specialty Trade Contractors, Prefabricated Metal Building and Component Manufacturing, Plate Work Manufacturing

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

Highway, Street, and Bridge Construction

Radio Stations

Other Aircraft Parts and Auxiliary Equipment Manufacturing

Electrical Contractors

Other Building Material Dealers

Theater Companies and Dinner Theaters

Semiconductor and Related Device Manufacturing

Other Direct Selling Establishments

Other Communications Equipment Manufacturing

Radio, Television, and Other Electronics Stores

Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction, Site Preparation Contractors

Other Scientific and Technical Consulting Services

Lessors of Residential Buildings and Dwellings

Residential Mental Retardation Facilities

Lessors of Residential Buildings and Dwellings

Colleges, Universities, and Professional Schools