Instrumentation - Level Control
- AutomationDirect
- Bristol Instruments
- Eagle Microsystems, Inc.
- FCI - Fluid Components International
- Force Flow
- Hawk Measurement
- Hayward Flow Control
- Keller America Inc.
- KROHNE Inc.
- Myron L ® Company
- PMC-STS, Inc.
- PRIMEX
- Pulsar Measurement
- Pyxis Lab, Inc.
- Rain for Rent
- Seametrics
- Sierra Instruments, Inc.
- VEGA Americas, Inc.