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 Laboratories9,652
873400Testing laboratories6,177
87340000Testing laboratories6,177
873401Radiation laboratories298
87340100Radiation laboratories135
87340101Film badge service, radiation detection7
87340102Radiation dosimetry laboratory24
87340103Welded joint radiographing6
87340104X-ray inspection service, industrial126
873402Product testing laboratories620
87340200Product testing laboratories294
87340201Automobile proving and testing ground48
87340202Product certification, safety or performance89
87340203Product testing laboratory, safety or performance189
873403Pollution testing205
87340300Pollution testing132
87340301Hazardous waste testing73
873499Testing laboratories, nec2,352
87349901Assaying service60
87349902Calibration and certification449
87349903Food testing service125
87349904Forensic laboratory706
87349905Hydrostatic testing laboratory33
87349906Industrial sterilization service37
87349907Metallurgical testing laboratory142
87349908Seed testing laboratory35
87349909Soil analysis194
87349910Veterinary testing152
87349911Water testing laboratory419