- AutomationDirect
- Badger Meter
- Blue-White Industries
- Bluesen Co., Ltd.
- Bristol Instruments
- Cleanwater1, Inc.
- Eagle Microsystems, Inc.
- Emerald Coast Manufacturing
- Hach
- HF scientific, a Watts Brand
- In-Situ
- infinitii ai corp.
- KROHNE Inc.
- LaMotte Company
- Lovibond
- Lutz-JESCO America Corp.
- Massa Products Corporation
- MSA Safety
- Myron L ® Company
- Pyxis Lab, Inc.
- RoboJar
- Sensorex
- Sierra Instruments, Inc.
- YSI, a Xylem brand
