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 Total Marketable US Businesses
8734Testing Laboratories10,131
873400Testing laboratories6,108
87340000Testing laboratories6,108
873401Radiation laboratories319
87340100Radiation laboratories163
87340101Film badge service, radiation detection8
87340102Radiation dosimetry laboratory21
87340103Welded joint radiographing6
87340104X-ray inspection service, industrial121
873402Product testing laboratories685
87340200Product testing laboratories348
87340201Automobile proving and testing ground51
87340202Product certification, safety or performance89
87340203Product testing laboratory, safety or performance197
873403Pollution testing187
87340300Pollution testing110
87340301Hazardous waste testing77
873499Testing laboratories, nec2,832
87349901Assaying service53
87349902Calibration and certification534
87349903Food testing service133
87349904Forensic laboratory700
87349905Hydrostatic testing laboratory33
87349906Industrial sterilization service39
87349907Metallurgical testing laboratory169
87349908Seed testing laboratory31
87349909Soil analysis191
87349910Veterinary testing153
87349911Water testing laboratory796