Janitorial Services

Structural Steel and Precast Concrete Contractors

Residential Remodelers, Poured Concrete Foundation and Structure Contractors, Framing Contractors

Engineering Services, Office Administrative Services

Engineering Services

Lessors of Nonresidential Buildings (except Miniwarehouses)

Printed Circuit Assembly (Electronic Assembly) Manufacturing

Other Scientific and Technical Consulting Services

Automobile and Other Motor Vehicle Merchant Wholesalers, Motor Vehicle Supplies and New Parts Merchant Wholesalers

Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers

Industrial Building Construction, Power and Communication Line and Related Structures Construction, Other Heavy and Civil Engineering Construction, Plumbing, Heating, and Air-Conditioning Contractors, Site Preparation Contractors

Lessors of Nonresidential Buildings (except Miniwarehouses)

Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

Hotels (except Casino Hotels) and Motels

Home Health Care Services

Machine Shops, All Other Miscellaneous Fabricated Metal Product Manufacturing, Farm Machinery and Equipment Manufacturing, Lawn and Garden Tractor and Home Lawn and Garden Equipment Manufacturing, Construction Machinery Manufacturing

Refrigeration Equipment and Supplies Merchant Wholesalers

Other Heavy and Civil Engineering Construction

Other Electric Power Generation, Electric Power Distribution

Building Inspection Services

Specialized Freight (except Used Goods) Trucking, Local, Specialized Freight (except Used Goods) Trucking, Long-Distance

Other Measuring and Controlling Device Manufacturing

Drugs and Druggists' Sundries Merchant Wholesalers

Lessors of Nonresidential Buildings (except Miniwarehouses)