Archived - Standard Industrial Classification - Establishments (SIC-E) 1980

391 - Scientific and Professional Equipment Industries

Establishments primarily engaged in manufacturing indicating, recording, controlling and other instruments, timepieces and ophthalmic goods.

3911 - Indicating, Recording and Controlling InstrumentsIndustry

Establishments primarily engaged in manufacturing mechanical, electrical or electronic instruments for indicating, recording and controlling (except electronic process control and electrical industrial control). Establishments primarily engaged in manufacturing electrical industrial control equipment are classified in 3379 - Other Electrical Industrial Equipment Industries and those primarily engaged in manufacturing electronic process control equipment are classified in 3359 - Other Communication and Electronic Equipment Industries.

3912 - Other Instruments and Related Products Industry

Establishments primarily engaged in manufacturing professional and scientific instruments excluding electronic navigational instruments. Establishments primarily engaged in manufacturing electronic navigational instruments are classified in 3359 - Other Communication and Electronic Equipment Industries.

3913 - Clock and Watch Industry

Establishments primarily engaged in manufacturing and/or assembling clocks watches and watch parts chronometers and special time recorders.

3914 - Ophthalmic Goods Industry

Establishments primarily engaged in manufacturing ophthalmic lenses, frames and mountings.