Surveying and Mapping (except Geophysical) Services

Site Preparation Contractors

Commercial and Institutional Building Construction

General Freight Trucking, Local

Logging

Engineering Services

Support Activities for Forestry

Poured Concrete Foundation and Structure Contractors, Masonry Contractors, Other Foundation, Structure, and Building Exterior Contractors

Site Preparation Contractors

Industrial Building Construction

Electrical Contractors, Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufactur, Computer Systems Design Services

Poured Concrete Foundation and Structure Contractors

Water Supply and Irrigation Systems, Water and Sewer Line and Related Structures Construction, Plumbing, Heating, and Air-Conditioning Contractors, Other Building Equipment Contractors, Site Preparation Contractors

Engineering Services, Testing Laboratories, Computer Systems Design Services, Other Scientific and Technical Consulting Services

Hardware Merchant Wholesalers

Automobile Driving Schools

Machine Shops

Poured Concrete Foundation and Structure Contractors, Masonry Contractors, Other Building Finishing Contractors

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

Medical Laboratories

Paper (except Newsprint) Mills, Die-Cut Paper and Paperboard Office Supplies Manufacturing, Photographic Film, Paper, Plate, and Chemical Manufacturing, Office Machinery Manufacturing, Carbon Paper and Inked Ribbon Manufacturing

Automotive Parts and Accessories Stores

Other Electronic Component Manufacturing

Landscaping Services

Power and Communication Line and Related Structures Construction, Electrical Contractors, All Other Specialty Trade Contractors, Wired Telecommunications Carriers, Engineering Services