Analytical instruments (e.g., chromatographic, photometers, spectrographs) merchant wholesalers

Architects' equipment and supplies merchant wholesalers

Balances and scales, laboratory (except dental, medical), merchant wholesalers

Barometers merchant wholesalers

Blackboards merchant wholesalers

Chemical and technical pottery products merchant wholesalers

Church supplies (except plated ware, silverware) merchant wholesalers

Drafting instruments merchant wholesalers

Drafting tables merchant wholesalers

Engineers' equipment and supplies merchant wholesalers

Instruments, professional and scientific, merchant wholesalers

Laboratory equipment (except dental, medical, ophthalmic) merchant wholesalers

Professional equipment and supplies (except dental, medical, ophthalmic) merchant wholesalers

Professional furniture (except dental, metal, ophthalmic, and school) merchant wholesalers

Professional instruments merchant wholesalers

Religious supplies merchant wholesalers

Scales, laboratory (except dental and medical), merchant wholesalers

School equipment and supplies (except books, furniture) merchant wholesalers

Scientific instruments merchant wholesalers

Scientific laboratory equipment merchant wholesalers