- Radiation laboratories (1)
- Film badge service, radiation detection (1)
- X-ray inspection service, industrial (1)
- Product testing laboratories (2)
- Product testing laboratory, safety or performance (3)
- Hazardous waste testing (1)
- Calibration and certification (1)
- Food testing service (3)
- Forensic laboratory (5)
- Metallurgical testing laboratory (1)
- Water testing laboratory (2)
