- AutomationDirect
- Badger Meter
- Bristol Instruments
- Eagle Microsystems, Inc.
- Hawk Measurement
- Hayward Flow Control
- KELLER Pressure, Inc.
- KROHNE Inc.
- Massa Products Corporation
- Myron L ® Company
- PRIMEX
- Pulsar Measurement
- Pyxis Lab, Inc.
- Rain for Rent
- Seametrics
- Sierra Instruments, Inc.
- USABlueBook
- VEGA Americas, Inc.
