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

Power and Communication Line and Related Structures Construction, Electrical Contractors, Porcelain Electrical Supply Manufacturing, Optical Instrument and Lens Manufacturing, Electronic Capacitor Manufacturing

Porcelain Electrical Supply Manufacturing, Optical Instrument and Lens Manufacturing, Semiconductor and Related Device Manufacturing, Electronic Capacitor Manufacturing, Electronic Resistor Manufacturing