Computer Systems Design Services

New Single-Family Housing Construction (except Operative Builders), New Housing Operative Builders, Residential Remodelers, Land Subdivision, Highway, Street, and Bridge Construction

Other Electric Power Generation

Support Activities for Coal Mining, 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

Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers

Optical Instrument and Lens Manufacturing, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing