• Aplisens
• Ai-Tek Instruments
• ASCO
• Ashcroft
• Aventics
• Ametek
• Argus

• BriskHeat
• Baumer
• Brooks Instrument
• Bürkert Fluid Control Systems

• Celesco
• Check-All Valve
• Clark-Reliance

• Delta Mobrey
• Drager/Draeger
• Dwyer|Omega

• Endress+Hauser
• Eaton
• Euro Sensor
• Emerson & Process

• Fairchild Industrial Products Company
• FireFly
• Fireye
• Flo-Tite Valve & Controls
• Flow Smart
• Fluid Path
• Fluke Corporation
• FluoroSeal Valves

• Gossen Muller & Weigert
• Gemco
• Georg Fischer

• Honeywell Automation
• HF Jenson A/S
• Hoke
• Hydrodyne
• Hubner
• Habonim Valve Soultions
• Hayward
• Horiba

• ITT Engineered Valves

• Jacoby-Tarbox
• Jerguson
• JMS Southeast
• Jomar Valve
• Jordan Valve

• Kollmorgen
• Kadant Inc
• Keckley Company 
• Key Instruments 
• Kuriyama 
• Konan Electric Co. Ltd

• Level Developments
• Lenox
• Leser 
• LowFlow Valve

• Measurement Specialities
• Marsh Bellofram
• Micronics 

• Noding
• Norman Filter Co. Ltd
• nVent Caddy US
• Nadella – Rollon

• OPW Engineered Systems 

• Parker
• PBM Valve Solutions
• Parsons & Peebles
• Pepperl+Fuchs
• Plast-O-Matic Valves
• Powell Valve
• Precision Digital Corporation
• PureFlex

• Rieker Inc
• Ralston Instruments
• Raytex / Fluke
• Richards Industrials
• Rotronic Instrument

• Sirco Controls Ltd
• Sentech
• Seika
• Samson Controls
• Sani-Matic Systems
• Score Tricentric
• Steel & O’Brien
• Steriflow Food & Beverage
• Steriflow Valve
• SVF Flow Controls, Inc
• Sherborne Sensors

• TE Sensor Solutions
• Technetics
• Techline International
• Temprel
• Topworx

• Valmet
• Val-Matic