Lessors of Nonresidential Buildings (except Miniwarehouses)

Plumbing, Heating, and Air-Conditioning Contractors

Caterers

Petroleum and Petroleum Products Merchant Wholesalers (except Bulk Stations and Terminals)

Farm Machinery and Equipment Manufacturing

Perishable Prepared Food Manufacturing, Fresh Fruit and Vegetable Merchant Wholesalers, Flower, Nursery Stock, and Florists' Supplies Merchant Wholesalers

All Other Professional, Scientific, and Technical Services

Automotive Body, Paint, and Interior Repair and Maintenance

Residential Mental Retardation Facilities

Plumbing, Heating, and Air-Conditioning Contractors

Carpet and Rug Mills, Resilient Floor Covering Manufacturing, Home Furnishing Merchant Wholesalers

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

Electrical Contractors

Electrical Contractors

Commercial and Institutional Building Construction

Biological Product (except Diagnostic) Manufacturing

Home Centers

Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction

Hotels (except Casino Hotels) and Motels

Plumbing, Heating, and Air-Conditioning Contractors, Electrical and Electronic Appliance, Television, and Radio Set Merchant Wholesalers, Household Appliance Stores

Offices of Mental Health Practitioners (except Physicians)

Surgical Appliance and Supplies Manufacturing