Painting and Wall Covering Contractors, Flooring Contractors, Finish Carpentry Contractors, Other Building Finishing Contractors

Theater Companies and Dinner Theaters, Dance Companies, Musical Groups and Artists

Other Building Material Dealers

Computer and Office Machine Repair and Maintenance

Testing Laboratories

Residential Remodelers

Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

Tire Retreading, Tire and Tube Merchant Wholesalers, Tire Dealers

Metal Service Centers and Other Metal Merchant Wholesalers

Lessors of Nonresidential Buildings (except Miniwarehouses)

Commercial and Institutional Building Construction

Other Scientific and Technical Consulting Services

Other Computer Related Services

Investigation Services

Engineering Services, Testing Laboratories

Machine Shops

Office Furniture (except Wood) Manufacturing

Research and Development in the Physical, Engineering, and Life Sciences

New Single-Family Housing Construction (except Operative Builders), Residential Remodelers, Roofing Contractors, Electrical Contractors, Plumbing, Heating, and Air-Conditioning Contractors

Temporary Help Services, Professional Employer Organizations

Precision Turned Product Manufacturing, Bolt, Nut, Screw, Rivet, and Washer Manufacturing, Fluid Power Valve and Hose Fitting Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, Fastener, Button, Needle, and Pin Manufacturing

Other Residential Care Facilities