- Vendors
- Aaliant
- ABZ Valve
- Actaris
- Alloy Stainless Products
- American Standard
- American Valve
- Ames Co (Watts Division)
- Ametek
- Amri Inc
- Amtrol Inc
- Anaco
- Anvil International Inc
- Apollo Valves
- Arcelor Mittal P&T Canada
- Argo Industries
- ASCO
- Automatc Timing & Controls
- A Y Mcdonald Mfg. Co.
- B-Line
- Babbitt Steam Specialty
- Backman Foundry Machine
- Baker Coupling Co.
- Band It Idex, Inc
- Baum
- Bemis Mfg
- Benko Products Inc.
- Bergen Power
- Bettis
- Billco Corporation
- Bonney Forge
- Brasscraft
- Brenelle Company
- Bristol Metals
- Bull Moose Tube Co.
- Burnham
- C&B Piping Inc.
- Caleffi North America
- Carpenter & Paterson
- Centoco
- Century Instrument Co.
- Cerro Tube
- Cerus
- Check All Valve Mfg. Co.
- Chemtrol
- Chicago-Faucet
- Circor Energy Products
- Clayton Corporation
- Clow Valve Co.
- Collins
- Colmac Coil
- Conley Corporation
- Core Pipe
- Crane Energy Flow Solutions
- Crane Plumbing
- Cresline Plasit Pipe Co
- Danfoss
- Delta
- Demco
- DFT, Inc.
- Diamond Gear Co.
- Dixon Valve
- Dresser Piping Specialties
- Dwyer
- Ebinger Manufacturing Co.
- Edward Valves
- Elite Valve
- Elkay
- Elkhart
- Erico International Corp.
- Essex Brass Corporation
- Faure Herman
- Febco
- Felker Piping
- Fire Protection Products, Inc.
- Flexcon Industries
- Flexitallic
- Flow-Tek, Inc.
- Flow Line Valve & Controls
- Flow Seal
- FMC Technologies
- Franklin Valve and Supply
- Freelin-Wade Co.
- Gates Corporation
- General Plug & Manufacturing
- George Fischer, Inc.
- Gerber
- Global Flow Technologies
- Globe Pipe Hanger Products, Inc.
- Goss Gas, Inc.
- GPI
- H.O. Trerice
- Halsey Taylor
- Ham-let
- Hamilton Tanks
- Harvel Plastics, Inc.
- Hayward
- HBD Thermoid Industries, Inc.
- Heat Controller, Inc.
- Highland Tank
- Hitech Technologies
- Hoffman
- Homestead
- IFM Efector
- Industrial Fiberglass Specialties
- Ink-Erator
- IPSCO
- John Deere Green Tech
- JR Smith
- Keckley
- Kerkau
- Larox Flowsys
- Lochinvar
- Mansfield Plumbing
- Masco Bath
- Maxitrol
- Modine
- Mueller Company
- Mueller Steam
- Niagara Meters
- NIBCO INC.
- Patterson Pumps
- Potter Roemer
- Pyplok
- Quality Pipe Products
- Ridgid
- Rilco
- Robertshaw
- Rubber Fab
- Safe Harbor
- Sensor-Tech Inc.
- Sierra Monitor
- Sigma Corperation
- Sloan
- Spirax Sarco Inc.
- Stevens Pump Company
- Stockham
- Sure Flow
- Systecore
- System Sensor
- Tyler Pipe
- Velan
- Victaulic
- Viega
- Ward Mfg.
- Watts Watertech
- Weldbend
- Wheatland
- Wilo Pumps
- Yarway
- Zoeller
- Government
