Armstrong Pumps Inc.
www.armstrongpumps.com

BBT North America Corporation
www.bbtna.com

R.W. Beckett Corporation
www.beckettcorp.com

ECR International, Inc.
www.ecrinternational.com

Grundfos Pumps Corporation
www.us.grundfos.com

Haydon Corporation
www.2haydon.com

Heat Transfer Products, Inc.
www.htproducts.com

Honeywell International
www.customer.honeywell.com

Rittling
www.rittling.com

Hydrolevel Company
www.hydrolevel.com

Laars Heating Systems Company
A Subsidiary of Bradford White Corporation
www.laars.com

Lochinvar Corporation
www.lochinvar.com

Mestek, Inc.
www.mestek.com

Midco International Inc.
www.midcointernational.com

PB Heat, LLC
www.peerlessboilers.com

Potter Electric Signal Company
www.pottersignal.com

Raypak, Inc.
www.raypak.com

Slant/fin Corporation
www.slantfin.com

Taco, Inc.
www.taco-hvac.com

Triangle Tube/Phase III
www.triangletube.com

Viessmann Manufacturing
Company (U.S) Inc.
www.viessmann-us.com

Watts Regulator Company
www.wattsreg.com

Weil-McLain
www.weil-mclain.com

WiloUSA, LLC
www.wilo-na.com

Worgas, Inc.
www.worgasinc.com