1. Bertin Instruments
2. Dosilab
3. Dosimetrics Gmbh
4. Ecotest
5. Gammadata Instrument Ab
6. Ge Healthcare
7. Honeywell
8. Iba Worldwide
9. Landauer
10. Mirion Technologies
11. Ortek (Ametek)
12. Polimaster
13. Radiation Detection Company
14. Ptw-Freiburg Gmbh
15. Thermo Fisher Scientific Inc