Lessors of Nonresidential Buildings (except Miniwarehouses)

Residential Remodelers, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Poured Concrete Foundation and Structure Contractors, Framing Contractors

Landscaping Services

All Other Support Services, RV (Recreational Vehicle) Parks and Campgrounds, Recreational and Vacation Camps (except Campgrounds)

New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders), Commercial and Institutional Building Construction, Plumbing, Heating, and Air-Conditioning Contractors, Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen

General Medical and Surgical Hospitals

Manufactured (Mobile) Home Dealers