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 Laboratories9,812
873400Testing laboratories5,717
87340000Testing laboratories5,717
873401Radiation laboratories307
87340100Radiation laboratories137
87340101Film badge service, radiation detection8
87340102Radiation dosimetry laboratory22
87340103Welded joint radiographing7
87340104X-ray inspection service, industrial133
873402Product testing laboratories695
87340200Product testing laboratories359
87340201Automobile proving and testing ground49
87340202Product certification, safety or performance86
87340203Product testing laboratory, safety or performance201
873403Pollution testing198
87340300Pollution testing121
87340301Hazardous waste testing77
873499Testing laboratories, nec2,895
87349901Assaying service60
87349902Calibration and certification514
87349903Food testing service132
87349904Forensic laboratory734
87349905Hydrostatic testing laboratory34
87349906Industrial sterilization service38
87349907Metallurgical testing laboratory171
87349908Seed testing laboratory36
87349909Soil analysis195
87349910Veterinary testing157
87349911Water testing laboratory824