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- Brooks Instrument
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- Check-All Valve
- Clark-Reliance
- Drager/Draeger
- Dwyer|Omega
- FireFly
- Fireye
- FloMec/GPI
- Fluid Path Products
- Fluke Corporation
- FluoroSeal Valves
- Georg Fischer
- Habonim Valve Solutions
- Horiba Instruments
- ITT Engineered Valves
- Jacoby-Tarbox
- Jerguson
- JMS Southeast
- Jomar Valve
- Jordan Valve
- Keckley Company
- Kuriyama
- Leser
- LowFlow Valve
- Marsh Bellofram
- nVent Caddy
- OPW Engineered Systems
- Parker
- PBM Valve Solutions
- Pepperl+Fuchs
- Plast-O-Matic Valves
- Powell Valves
- Precision Digital Corporation
- Ralston Instruments
- Raytex / Fluke
- Richards Industrials
- Rotronic Instrument
- Samson Controls
- Sani-Matic Systems
- Score Tricentric
- Steel & O’Brien
- Steriflow Food & Beverage
- Steriflow Valve
- Techline International
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