- Anton Paar GmbH
- VWR International (Avantor)
- Mettler Toledo
- Berthold Technologies GmbH & Co. KG
- Red Meters
- Schmidt + Haensch GmbH & Co.
- Thermo Fisher Scientific
- Koehler Instrument Company Inc.
- Emerson Electric Co.
- Meidensha Corporation
- Toshiba Infrastructure Systems & Solutions Corporation
- Endress+Hauser
- A.KRUSS Optronic
- Yokogawa
- GPS Instrumentation Ltd.
- Lemis Baltic
- Ametek Inc.
- Eagle Eye Power Solutions LLC