?- Schneider Electric SE
- Rockwell Automation Inc.
- Honeywell International Inc.
- Siemens AG
- IBM Corporation
- Mitsubishi Electric Corporation
- Omron Corporation
- Yokogawa Electric Corporation
- Fanuc Corporation
- Emerson Electric Co.
- WFS Technologies Ltd
- Magseis Fairfield ASA
- Rohrback Cosasco Systems Inc.
- ABB Ltd