Aeroqual
Alphasense Sensors
Angst + Pfister AG
Carel Indstries SpA
Cubic Sensor and Instrument Co Ltd
Dracal Technologies, Inc.
E+E Elektronik Ges.M.B.H
Edinburgh Sensors Ltd
Figaro Engineering, Inc.
Gas Sensing Solutions Ltd
Honeywell Analytics, Inc. (Industrial Division)
Invest Electronics Ltd
Ion Science Ltd
Micro-Hybrid Electronic GmbH
MSA Safety, Inc,
Nissha FIS, Inc.
OGAM Technology Co Ltd
Riken Keiki Co Ltd
Seitron S.p.A.
Sensidyne LP
Sensirion AG
SGX Sensortech
Shenzhen Daweilai Sensing Technology Development Co Ltd
Siemens AG
smartGAS Mikrosensorik GmbH
Teledyne API