- Aflex Hose
- Ai-Tek Instruments
- Acme Engineering
- Allied Tube
- Ames Fire & Waterworks
- Andronaco Industries
- Anvil an ASC Engineered Solution
- APV – SPX FLOW
- Armstrong International
- ASC Engineered Solutions
- ASCO
- ASCO Numatics
- Ashcroft
- ATS – Advanced Thermal Systems, Inc.
- Bradley Corporation
- BriskHeat
- Bürkert Fluid Control Systems
- C-Aire Compressors
- Check-All Valve
- Clark-Reliance
- Clark-Reliance Filtration Products Group
- Conley Composites
- Continental – ContiTech
- Easyflex
- Eaton B-Line
- Enerquip Heat Exchangers
- ERICO International
- Ethylene an Andronaco Industries Company
- Everactive
- Felker Brothers
- Finish Thompson Inc
- Fireye
- FelxHead an ASC Engineered Solution
- Fluid Path
- FluoroSeal Valves
- FPPI an ASC Engineered Solution
- Garlock Sealing Technologies
- General Rubber
- Georg Fischer
- Gore
- Graco
- Gruvlok an ASC Engineered Solution
- Habonim Valve Soultions
- Hills-McCanna
- Hose Master
- Inertex
- Innerlynx
- Inpro Seals
- ITT Engineered Valves
- Jacoby-Tarbox
- Jamesbury – Valmet Company
- Jenny Air Products
- Jerguson
- JFD Tube & Coil
- JMS Southeast
- Jordan Valve
- Keckley Company
- Kuriyama
- Lenox
- Leser
- LowFlow Valve
- MADDEN
- MARLO
- Marsh Bellofram Corporation
- Milwaukee Valve
- Mueller Steam Specialty – WATTS Brand
- Murzan Sanitary Systems
- Neles – Valmet Company
- Nupi Americas
- nVent Caddy US
- OPW Engineered Systems
- Parker
- PBM Valve Solutions
- Plast-O-Matic Valves
- Potter Electric
- Powell Valve
- PureFlex
- Ralston Instruments
- RamParts Pumps an Andronaco Instrustries Company
- Rapid Water Technologies
- Raytex / Fluke Process Instruments
- Richards Industrials
- Rotronic Instrument
- Saint-Gobain
- Sani-Matic Systems
- Score Tricentric
- Sensus
- Shannon Global Energy
- Sharpe Valve
- Sloan Valve Company
- Spears Manufacturing
- SPX FLOW
- Steel & O’Brien
- Steridose
- Steriflow Food & Beverage
- Steriflow Valve
- Stonel – Valmet Company
- Tyco Fire Protection Products
- Tyler Pipe
- Valmet Company
- Valmatic
- Viega
- VNE
- Ward Manufacturing LLC
- Watts Water Technologies
- Waukesha Cherry-Burrell – SPX Flow
- Weksler
- Weldbend
- Wheatland Tube Company
- Youngstown Tube