Acorn Engineering

Advance Tabco

Allied Fitting Group

Allied Tube & Conduit

American Saw & Mfg.

American Valve

Ames Co.

Amtecko Industries

Amtrol

Aqua Bath

Cooper B-line

Bar Industries

Basco

Bobrick Washroom Equipment

Bradley Corporation

Bradley Washroom Accessories

Brasscraft

Brimar Safety Products

Canfield Technologies

Canplas

Centoco

Check-All Valve Mfg

Cherne

Chicago Faucet Company

Chronomite Laboratories

Colonial Engineering

Conbraco Industries

Cresline

3M Purification

DFT, Inc.

Delta Faucet Company

Dormont Mfg.

Flushmate

Dwyer Instruments, Inc.

Dynasonics

Ebinger Manufacturing Co.

Eemax

Elkhart Products Corporation

Elkay Manufacturing Co.

Febco

Fernco

Fiat Products

Filtrine Manufacturing

Froet Industries

Gamco

Geberit

General Wire & Spring

Gruvlok

Guardian Equipment

Green Turtle

Josam Company

Anvil International

William H. Harvey Co.

Haws Corporation

Hayward Industrial

Hercules Chemical Company

Highland Tank

Holdrite

Homestead Valve

In Sink Erator

Ipex USA

IPS Corporation

Jomar International

Jones Stephens

Just Manufacturing

O.C. Keckley

Kerkau Manufacturing

Kitz Corporation

Kohler Company

LA-CO Industries

Lasco Fittings

Lee Brass

Legend Valve

Leonard Valve

Little Giant Pump

Lochinvar Corporation

Maid O Mist

A. Y. Mcdonald

Merit Brass

Erico

Mission Rubber

Nexair

Noble Company

Oasis

Oatey S.C.S.

Odd Ball Industries

Orion Enterprises

PHD Manufacturing

Nibco Inc.

Pennslvania Machine Works

Pipe Pier

Pipe Shields

Shaw Pipe Shields

Plastic Oddities

Plastic Trends

Plumberex

Powers

Reed Manufacturing

Rothenburger

Reelcraft Industries

Schier Products

JB Products

Seekonk

Sioux Chief

Slant Fin

Sloan Valve

Smith Industries

Speakman Company

Spears Manufacturing

Stern Williams

Sunroc

Symmons Industries

T&S Brass & Bronze Works

Halsey Taylor

Tigre

H.O. Trerice

Pentair Valves & Controls

Tyler Pipe

Ward Manufacturing

Watersaver Faucet Co.

Waterboss

Watts Brass & Tubular

Watts Drainage

Watts Regulator

Weil - Mclain

Weldbend

Wilkins

Willoughby

Wisconsin Nipple

Wolverine Tube

Woodford

Zoeller Company

Zurn Industries