Industry: 8734—Testing Laboratories
Establishments primarily engaged in providing testing services. Establishments primarily engaged in performing clinical laboratory testing for the medical profession are classified in Industry 8071.

Assaying servicesMetallurgical testing laboratories
Automobile proving and testing groundsPollution testing, except automotive emissions testing
Calibration and certification (testing)Product testing services
Dosimetry, radiationRadiation dosimetry laboratories
Film budge service (radiation detection)Radiographing welded joints on pipes and fittings
Food testing servicesSeed testing laboratories
Forensic laboratoriesTesting laboratories, except clinical
Hydrostatic testing laboratoriesVeterinary testing laboratories
Laboratories, product testing: not manufacturing auxiliaries
Codes Titles Number of US Businesses
8734Testing Laboratories9,685
873400Testing laboratories5,603
87340000Testing laboratories5,603
873401Radiation laboratories347
87340100Radiation laboratories179
87340101Film badge service, radiation detection8
87340102Radiation dosimetry laboratory22
87340103Welded joint radiographing7
87340104X-ray inspection service, industrial131
873402Product testing laboratories696
87340200Product testing laboratories356
87340201Automobile proving and testing ground48
87340202Product certification, safety or performance87
87340203Product testing laboratory, safety or performance205
873403Pollution testing195
87340300Pollution testing117
87340301Hazardous waste testing78
873499Testing laboratories, nec2,844
87349901Assaying service54
87349902Calibration and certification512
87349903Food testing service131
87349904Forensic laboratory708
87349905Hydrostatic testing laboratory32
87349906Industrial sterilization service39
87349907Metallurgical testing laboratory170
87349908Seed testing laboratory35
87349909Soil analysis194
87349910Veterinary testing156
87349911Water testing laboratory813