Accurate Sensors Technologies Ltd.
Advanced Energy Industries, Inc.
AMETEK, Inc.
AOIP SAS
BARTEC Top Holding GmbH
Calex Electronics Limited
CHINO Corporation (Japan)
Fluke Corporation
Keller HCW GmbH
Micro-Epsilon Messtechnik
Omega Engineering, Inc.
OPTEX FA Co Ltd
OPTRIS GmbH
OPTRON GmbH
PCE Instruments UK Ltd
Proxitron GmbH
Pyromation, Inc.
Pyrometer Instrument Company, Inc
Tempsens Instruments (I) Pvt. Ltd.