1. Det-Tronicsby Carrier Global Corporation
2. Dr?gerwerk AG & Co. KGaA
3. ELTRA GmbH
4. Emerson Electric Co.
5. Figaro Engineering Inc.
6. H2scan Corporation
7. Honeywell International Inc.
8. Hydrogen Sense Technology Co. Ltd.
9. International Gas Detectors Ltd.
10. KROHNE Messtechnik GmbH
11. Makel Engineering Inc.
12. Membrapor AG
13. MSA Safety Incorporated
14. NevadaNano
15. Posifa Technologies Inc.
16. RAE Systems by JJS Technical Services
17. RKI Instruments
18. Sensidyne
LP
19. Shimadzu Europa GmbH
20. Teledyne Technologies Incorporated