Key Players
- Archigas
- Bacharach Inc
- City Technology
- Crowcon Detection Instruments Ltd
- Det-Tronics
- Draeger
- Flame Detection
- Gas Clip Technologies
- Gastronics
- GfG Instrumentation
- Honeywell
- Industrial Scientific
- MSA Safety Incorporated
- RKI Instruments
- Riken Keiki
- Sensidyne
- Sensor Electronics
- Siemens
- Teledyne Gas
- Trolex Ltd
- Yokogawa
