- Omron Corporation
- Rockwell Automation
- Keyence Corporation
- Banner Engineering Corporation
- ABB Limited
- Siemens AG
- Panasonic Electric Works Co. Ltd.
- SICK AG
- Pepperl+Fuchs
- Pilz GmbH & Co.
- Autonics Corporation
- BEI Sensor
- Hans Turck GmbH & Co. KG
- Larco
- Schneider Electric
- Leuze electronic GmbH
- Pinnacle Systems Inc.
- Balluff GmbH
- Contrinex