Industry: 3671—Electron Tubes
Establishments primarily engaged in manufacturing electron tubes and tube parts. Establishments primarily engaged in manufacturing X-ray tubes and parts are classified in Industry 3844.

Cathode ray tubesPhotomultiplier tubes
Electron beam (beta ray) generator tubesPicture tube reprocessing
Electron tube parts, except glass blanks: bases, getters, and gunsPlanar triode tubes
Electron tubesReceiving type electron tubes
Gas and vapor tubesTelevision tubes
Geiger Mueller tubesTransmitting electron tubes
Klystron tubesTraveling wave tubes
Light sensing and emitting tubesTubes for operating above the X-ray spectrum (with shorter
Magnetron tubesVacuum tubes
Codes Titles Number of US Businesses
3671Electron Tubes121
367100Electron tubes45
36710000Electron tubes45
367101Cathode ray tubes, including rebuilt14
36710100Cathode ray tubes, including rebuilt7
36710101Picture tube reprocessing3
36710102Television tubes4
367102Transmittal, industrial and special purpose electron tubes62
36710200Transmittal, industrial and special purpose electron tubes3
36710201Electron beam (beta ray) generator tubes5
36710202Electron tubes, industrial1
36710203Electron tubes, nsk4
36710204Electron tubes, receiving type0
36710205Electron tubes, special purpose1
36710206Electron tubes, transmitting2
36710207Electronic tube parts, except glass blanks13
36710208Gas or vapor tubes6
36710211Light sensing and emitting tubes6
36710212Magnetron tubes1
36710213Photomultiplier tubes3
36710214Planar triode tubes1
36710215Traveling wave tubes3
36710216Tubes for operating above the X-ray spectrum1
36710217Vacuum tubes12