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

Petroleum Bulk Stations and Terminals

All Other Motor Vehicle Dealers, Construction, Mining, and Forestry Machinery and Equipment Rental and Leasing, Other Commercial and Industrial Machinery and Equipment Rental and Leasing

Security Guards and Patrol Services

Residential Remodelers, Plumbing, Heating, and Air-Conditioning Contractors, Painting and Wall Covering Contractors

Plumbing, Heating, and Air-Conditioning Contractors

Sewage Treatment Facilities, Electrical Contractors

Farm Labor Contractors and Crew Leaders

demolition

Electrical Contractors

Industrial Building Construction, Commercial and Institutional Building Construction, Other Heavy and Civil Engineering Construction, Poured Concrete Foundation and Structure Contractors, Structural Steel and Precast Concrete Contractors

Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers, Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers

All Other Miscellaneous Crop Farming

Plumbing, Heating, and Air-Conditioning Contractors, Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipmen

New Housing Operative Builders, Residential Remodelers, Water and Sewer Line and Related Structures Construction, Roofing Contractors, Siding Contractors

Surveying and Mapping (except Geophysical) Services

Nursery and Tree Production

Surgical and Medical Instrument Manufacturing, Surgical Appliance and Supplies Manufacturing, Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers, Refrigeration Equipment and Supplies Merchant Wholesalers

Other Vegetable (except Potato) and Melon Farming