| Cast Iron | Flanged | Ward Manufacturing, Inc. | http://www.wardmfg.com |
| Cast Iron | Soil Pipe - Single Stack | Solvent | http://www.sovent.com |
| Cast Iron | Water | CuraFlo Technologies | http://www.curaflo.com |
| Cast Iron |
| American Cast Iron Pipe Co. | http://www.acipco.com |
| Cast Iron |
| Cast Iron Soil Pipe Institute | http://www.cispi.org |
| Cast Iron |
| Clay & Bailey Mfg. Co. | http://www.claybailey.com |
| Cast Iron |
| Gem Fabrication | http://www.gemfab.com |
| Cast Iron |
| RectorSeal | http://www.rectorseal.com |
| Cast Iron |
| Schwing America, Inc. | http://www.schwing.com |
| Cast Iron |
| US Pipe | http://www.acipco.com/ |
| Cast Iron | Soil Pipe | AB&I Foundary | http://www.abifoundry.com |
| Cast Iron | Soil Pipe | Cast Iron Soil Pipe Institute | http://www.cispi.org |
| Cast Iron | Soil Pipe | Charlotte Pipe and Foundary Co. | http://www.charlottepipe.com/ |
| Cast Iron | Soil Pipe | Tyler Pipe | http://www.tylerpipe.com |
| Chemical Resistant |
| Blucher-Josam | http://www.josam.com |
| Chemical Resistant |
| Charlotte Pipe and Foundary Co. | http://www.charlottepipe.com/ |
| Chemical Resistant |
| Corzan Piping Systems | http://www.corzancpvc.com |
| Chemical Resistant |
| Drain-Net | http://www.drain-net.com |
| Chemical Resistant |
| Freedom Plastics, Inc. | http://www.freedomplastics.com |
| Chemical Resistant |
| Harvel Plastics, Inc. | http://www.harvel.com |
| Chemical Resistant |
| PEP Plastic Engineered Products | http://www.pep-plastic.com |
| Chemical Resistant |
| Spears Mfg. Co. | http://www.spearsmfg.com |
| Chemical Resistant |
| Town & Country Plastics, Inc. | http://www.tandcplastics.net |
| Chemical Resistant |
| Zurn Plumbing Products Group | http://www.zurn.com |
| Containment | Piping Systems | Drain-Net | http://www.drain-net.com |
| Containment | Piping Systems | IPEX | http://www.ipexinc.com |
| Cryogenic |
| Perma-Pipe, Inc. | http://www.permapipe.com |
| Cryogenic |
| Ricwil Piping Systems, Perma-Pipe, Inc. | http://www.permapipe.com |
| Double-Wall |
| IPEX | http://www.ipexinc.com |
| Double-Wall |
| PEP Plastic Engineered Products | http://www.pep-plastic.com |
| Double-Wall |
| Selkirk LLC, Tinicum L.P. | http://www.selkirkinc.com |
| Ductile Iron |
| Cast Iron Soil Pipe Institute | http://www.cispi.org |
| Ductile Iron |
| Clay & Bailey Mfg. Co. | http://www.claybailey.com |
| Ductile Iron |
| CuraFlo Technologies | http://www.curaflo.com |
| Ductile Iron |
| Gem Fabrication | http://www.gemfab.com |
| Ductile Iron |
| RectorSeal | http://www.rectorseal.com |
| Ductile Iron |
| Schwing America, Inc. | http://www.schwing.com |
| Ductile Iron Cement Lined |
| US Pipe | http://www.acipco.com/ |
| Ductile Iron Glass Lined |
| US Pipe | http://www.acipco.com/ |
| DWV (Drain-Waste Vent) |
| Flood Master Inc. | http://www.floodmaster.com |
| DWV (Drain-Waste Vent) |
| Freedom Plastics, Inc. | http://www.freedomplastics.com |
| DWV (Drain-Waste Vent) |
| Harvel Plastics, Inc. | http://www.harvel.com |
| DWV (Drain-Waste Vent) |
| IPEX | http://www.ipexinc.com |
| DWV (Drain-Waste Vent) |
| PEP Plastic Engineered Products | http://www.pep-plastic.com |
| DWV (Drain-Waste Vent) |
| Spears Mfg. Co. | http://www.spearsmfg.com |
| Encasement |
| IPEX | http://www.ipexinc.com |
| Epoxy |
| ACE Duraflo Systems, LLC | http://www.aceduraflo.com/ |
| Epoxy |
| CuraFlo Technologies | http://www.curaflo.com |
| Epoxy |
| NuFlow | http://www.nuflowtech.com |
| Epoxy |
| PEP Plastic Engineered Products | http://www.pep-plastic.com |
| Epoxy |
| SOS Products Co., Inc. | http://www.sos-prod.com |
| Fiber |
| Refractory Specialties, Inc. | http://www.rsifibre.com |
| Fiberglass |
| Drain-Net | http://www.drain-net.com |
| Fiberglass |
| PEP Plastic Engineered Products | http://www.pep-plastic.com |
| Finned |
| Copper Development Association Inc. | http://www.copper.org |
| Finned |
| Embassy Industries, Inc. | http://www.embassyind.com |
| Finned |
| Slant / Fin Corp. | http://www.slantfin.com |
| Finned |
| Fintube Technologies, Inc. | http://www.fintubellc.com/ |
| Flexible | Gas | Brass Craft Mfg. Co. | http://www.brasscraft.com/ |
| Flexible | Gas | Durst Corp. | http://www.durstcorp.com |
| Flexible | Gas | Wardflex | http://www.wardflex.com/ |
| Flexible | Rubber | Watts Radiant | http://www.wattsradiant.com |
| Flexible |
| Tru-Flex Metal Hose Corp. | http://www.tru-flex.com |
| Flexible |
| Tru-Flex Metal Hose Corp. | http://www.tru-flex.com |
| Galvanized Steel |
| ALT | http://www.altfabrication.com |
| Galvanized Steel |
| Atlantic American Fire Equipment Co. | http://www.atlanticamerican.com |
| Galvanized Steel |
| Bull Moose Tube Co. | http://www.bullmoosetube.com |
| Galvanized Steel |
| Gem Fabrication | http://www.gemfab.com |
| Galvanized Steel |
| IDOD Systems LLC | http://www.idodsystems.com |
| Gas | Flexible | Tru-Flex Metal Hose Corp. | http://www.tru-flex.com |
| Gas | Flexible | Z-Flex U.S., Inc | http://www.z-flex.com |
| Grooved |
| Victaulic | http://www.victaulic.com/ |
| Hard Rubber |
| Proco Products Inc. | http://www.procoproducts.com |
| Heat Traced |
| EGS / EasyHeat | http://www.easyheat.com |
| Heating |
| EGS / EasyHeat | http://www.easyheat.com |
| Heating |
| Hydronic Alternatives | http://www.hydronicalternatives.com |
| Heating |
| Slant / Fin Corp. | http://www.slantfin.com |
| Heating |
| Watts Radiant | http://www.wattsradiant.com |
| Insulated |
| Perma-Pipe Inc. | http://www.permapipe.com/ |
| Insulated Piping Systems |
| ComfortPro Systems LLC | http://www.comfortprosystems.com |
| Jacketed |
| ComfortPro Systems LLC | http://www.comfortprosystems.com |
| Jacketed |
| M & S Valve and Fittings Co. | http://www.msvalves.com |
| Jacketed |
| Flow Fabrication, Inc. | http://www.flowfab.net |
| Jacketed |
| Perma-Pipe, Inc. | http://www.permapipe.com |
| Jacketed |
| Ricwil Piping Systems, Perma-Pipe, Inc. | http://www.permapipe.com |
| Lined |
| CuraFlo Technologies | http://www.curaflo.com |
| Lined |
| HammerHead | http://www.hammerheadmole.com |
| Lined |
| MaxLiner USA | http://www.maxlinerusa.com |
| Lined |
| PEP Plastic Engineered Products | http://www.pep-plastic.com |
| Lined |
| American Metal Products | http://www.americanmetalproducts.com |
| Lined |
| P.E.P. | http://www.pep-plastic.com |
| Low-Temperature | Prefabricated | Freedom Plastics, Inc. | http://www.freedomplastics.com |
| Mechanical Joint |
| US Pipe | http://www.acipco.com/ |
| Medical Gas Systems |
| Kolbi Pipe Marker Co. | http://www.kolbipipemarkers.com |
| Non-Corrosive |
| Corzan Piping Systems | http://www.corzancpvc.com |
| Non-Corrosive |
| FlowGuard Gold Pipe & Fittings | http://www.flowguardgold.com/ |
| Non-Corrosive |
| Freedom Plastics, Inc. | http://www.freedomplastics.com |
| Non-Corrosive |
| Genova Products, Inc. | http://www.genovaproducts.com |
| Non-Corrosive |
| ProTech Systems, Inc. | http://www.protechinfo.com |
| Pipe Accessories | Clamps - Hose & Tubing | Clampco Products Inc. | http://www.clampco.com |
| Pipe Accessories | Clamps - Hose & Tubing | Sioux Chief Mfg. Co. Inc. | http://www.siouxchief.com |
| Pipe Accessories | Clamps - Hose & Tubing | Thermo Mfg., Inc. | http://www.thermopan.com |
| Pipe Accessories | Clamps - Hose & Tubing | Unistrut Corp. | http://www.unistrut.com |
| Pipe Accessories | Clamps - Pipe Repair | The Pipe Line Development Co., | http://plidco.com |
| Pipe Accessories | Clamps - Welding | The Pipe Line Development Co., | http://plidco.com |
| Plastic | ABS | Charlotte Pipe and Foundary Co. | http://www.charlottepipe.com/ |
| Plastic | ABS | Genova Products, Inc. | http://www.genovaproducts.com |
| Plastic | ABS | JB Products | http://www.federalprocess.com |
| Plastic | ABS | The Keeney Manufacturing Co. | http://www.keeneymfg.com |
| Plastic | CPVC | Barnett | http://www.e-barnett.corn |
| Plastic | CPVC | Charlotte Pipe and Foundary Co. | http://www.charlottepipe.com/ |
| Plastic | CPVC | Corzan Piping Systems | http://www.corzancpvc.com |
| Plastic | CPVC | Drain-Net | http://www.drain-net.com |
| Plastic | CPVC | Durst Corp. | http://www.durstcorp.com |
| Plastic | CPVC | FlowGuard Gold Pipe & Fittings | http://www.flowguardgold.com/ |
| Plastic | CPVC | Genova Products, Inc. | http://www.genovaproducts.com |
| Plastic | CPVC | Harvel Plastics, Inc. | http://www.harvel.com |
| Plastic | CPVC | IPEX | http://www.ipexinc.com |
| Plastic | CPVC | PEP Plastic Engineered Products | http://www.pep-plastic.com |
| Plastic | CPVC | Spears Mfg. Co. | http://www.spearsmfg.com |
| Plastic | CPVC | The Reliable Automatic Sprinkler Co., Inc. | http://www.reliablesprinkler.com |
| Plastic | CPVC | Tyco Fire & Building Products | http://www.grinnell.com |
| Plastic | CPVC | Viking Corp., Inc. | http://www.vikingcorp.com |
| Plastic | DWV | Charlotte Pipe and Foundary Co. | http://www.charlottepipe.com/ |
| Plastic | DWV | Durst Corp. | http://www.durstcorp.com |
| Plastic | DWV | Freedom Plastics, Inc. | http://www.freedomplastics.com |
| Plastic | DWV | Genova Products, Inc. | http://www.genovaproducts.com |
| Plastic | DWV | HammerHead | http://www.hammerheadmole.com |
| Plastic | DWV | IPEX | http://www.ipexinc.com |
| Plastic | DWV | MaxLiner USA | http://www.maxlinerusa.com |
| Plastic | Glass Fiber Reinforced | P.E.P. | http://www.pep-plastic.com |
| Plastic | PEX | Aqua Products Co., Inc. | http://www.aquaproducts.us |
| Plastic | PEX | Barnett | http://www.e-barnett.corn |
| Plastic | PEX | ComfortPro Systems LLC | http://www.comfortprosystems.com |
| Plastic | PEX | Durst Corp. | http://www.durstcorp.com |
| Plastic | PEX | Hydronic Alternatives | http://www.hydronicalternatives.com |
| Plastic | PEX | Insulation Solutions, Inc. | http://www.insulationsolutions.com |
| Plastic | PEX | IPEX | http://www.ipexinc.com |
| Plastic | PEX | PEP Plastic Engineered Products | http://www.pep-plastic.com |
| Plastic | PEX | REHAU Inc. | http://www.rahau.com |
| Plastic | PEX | Roth Industries, Inc. | http://www.roth-usa.com |
| Plastic | PEX | Upnor, Inc. | http://www.uponor-usa.com |
| Plastic | PEX | Vanguard Piping Systems, Inc. | http://www.vanguardpipe.com |
| Plastic | PEX | Viega | http://www.viega.com |
| Plastic | PEX | Watts Radiant | http://www.wattsradiant.com |
| Plastic | PEX | Zurn Plumbing Products Group | http://www.zurn.com |
| Plastic | PEX | Oventrop Corp. | http://www.oventrop-na.com |
| Plastic | PEX | Watts Regulator Co. | http://www.watts.com |
| Plastic | PVC | Barnett | http://www.e-barnett.corn |
| Plastic | PVC | Charlotte Pipe and Foundary Co. | http://www.charlottepipe.com/ |
| Plastic | PVC | Durst Corp. | http://www.durstcorp.com |
| Plastic | PVC | Genova Products, Inc. | http://www.genovaproducts.com |
| Plastic | PVC | Harvel Plastics, Inc. | http://www.harvel.com |
| Plastic | PVC | IPEX | http://www.ipexinc.com |
| Plastic | PVC | JB Products | http://www.federalprocess.com |
| Plastic | PVC | PEP Plastic Engineered Products | http://www.pep-plastic.com |
| Plastic | PVC | Spears Mfg. Co. | http://www.spearsmfg.com |
| Plastic | PVC | The Keeney Manufacturing Co. | http://www.keeneymfg.com |
| Plastic | PVDF | Drain-Net | http://www.drain-net.com |
| Plastic | PVDF | PEP Plastic Engineered Products | http://www.pep-plastic.com |
| Plastic | PVDF | Zurn Plumbing Products Group | http://www.zurn.com |
| Plastic |
| ALT | http://www.altfabrication.com |
| Plastic |
| Atlantic American Fire Equipment Co. | http://www.atlanticamerican.com |
| Plastic |
| BlazeMaster® Fire Sprinkler Systems | http://www.blazemaster.com |
| Plastic |
| CertainTeed Corp. | http://www.certainteed.com |
| Plastic |
| Freedom Plastics, Inc. | http://www.freedomplastics.com |
| Plastic |
| Fusion Support Services LLC | http://www.hdpe-fusionsupport.com/ |
| Plastic |
| Harvel Plastics, Inc. | http://www.harvel.com |
| Plastic |
| NIBCO, Inc. | http://www.nibco.com |
| Plastic |
| Parker Hannifin Corp. | http://www.parker.com/cig |
| Plastic |
| REHAU, Inc. | http://www.rahau.com |
| Plastic |
| Reliable Automatic Sprinkler Co., Inc. | http://www.reliablesprinkler.com |
| Plastic |
| Spears Mfg. Co. | http://www.spearsmfg.com |
| Plastic |
| Star Sprinkler Inc. | http://www.starsprinkler.com |
| Plastic |
| Upnor, Inc. | http://www.uponor-usa.com |
| Plastic |
| Viega | http://www.viega.com |
| Plastic | PEX | FlowGuard-Gold Pipe & Fittings | http://www.flowguardgold.com/ |
| Plastic | PEX | Upnor, Inc. | http://www.uponor-usa.com |
| Plastic | PEX | Viega | http://www.viega.com |
| Plastic | PEX | Watts Radiant | http://www.wattsradiant.com |
| Plastic | Polyethylene | Hydronic Alternatives | http://www.hydronicalternatives.com |
| Plastic | Polyethylene | IPEX | http://www.ipexinc.com |
| Plastic | Polypropylene | Drain-Net | http://www.drain-net.com |
| Plastic | Polypropylene | PEP Plastic Engineered Products | http://www.pep-plastic.com |
| Plastic | Polypropylene | Water, Inc. | http://www.waterinc.com |
| Plastic |
| Corzan Piping Systems | http://www.corzancpvc.com |
| Plastic |
| FlowGuard-Gold Pipe & Fittings | http://www.flowguardgold.com/ |
| Plastic |
| George Fisher Piping Systems | http://www.us.piping.georgefischer.com |
| Plastic |
| P.E.P. | http://www.pep-plastic.com |
| Plastic |
| Proco Products Inc. | http://www.procoproducts.com |
| Plastic |
| Viking Corp., Inc. | http://www.vikinggroupinc.com |
| Pre-Insulated |
| REHAU Inc. | http://www.rahau.com |
| Pre-Insulated |
| Perma-Pipe, Inc. | http://www.permapipe.com |
| Pre-Insulated |
| Ricwil Piping Systems, Perma-Pipe, Inc. | http://www.permapipe.com |
| Pre-Insulated |
| Rovanco Piping Systems | http://www.rovanco.com |
| Pre-Insulated |
| Urecon Systems Inc. | http://www.urecon.com |
| Pre-Insulated |
| Urecon Systems Inc. | http://www.urecon.com |
| Secondary Containment |
| Perma-Pipe, Inc. | http://www.permapipe.com |
| Secondary Containment |
| Ricwil Piping Systems, Perma-Pipe, Inc. | http://www.permapipe.com |
| Secondary Containment |
| Rovanco Piping Systems | http://www.rovanco.com |
| Site Drainage |
| Blucher-Josam | http://www.josam.com |
| Site Drainage |
| CuraFlo Technologies | http://www.curaflo.com |
| Site Drainage |
| FlexHead Industries, Inc. | http://www.flexhead.com |
| Site Drainage |
| Merit Brass Co. | http://www.meritbrass.com |
| Site Drainage |
| ProTech Systems, Inc. | http://www.protechinfo.com |
| Site Drainage |
| Selkirk LLC, Tinicum L.P. | http://www.selkirkinc.com |
| Site Drainage |
| Titeflex Corp., Gastite | http://www.gastite.com |
| Site Drainage |
| Tru-Flex Metal Hose Corp. | http://www.tru-flex.com |
| Spiral, Welded |
| Spiral-Helix, Inc. | http://www.spiral-helix.com |
| Stainless Steel |
| H-P Products, Inc. | http://www.h-pproducts.com |
| Stainless Steel |
| ProTech Systems, Inc. | http://www.protechinfo.com |
| Steel | Continuous Weld | Allied Tube & Conduit | http://www.alliedeg.com/ |
| Steel | Continuous Weld | Sharon Tube Co. | http://www.sharontube.com |
| Steel | Electric Weld | Allied Tube & Conduit | http://www.alliedeg.com/ |
| Steel | Electric Weld | The Relaible Automatic Sprinkler Co., Inc. | http://www.reliablesprinkler.com |
| Steel | Seamless | Allied Tube & Conduit | http://www.alliedeg.com/ |
| Steel | Seamless | Sharon Tube Co. | http://www.sharontube.com |
| Steel |
| Atlantic American Fire Equipment Co. | http://www.atlanticamerican.com |
| Steel |
| Bull Moose Tube Co. | http://www.bullmoosetube.com |
| Steel |
| Wheatland Tube Co. | http://www.wheatland.com |
| Tyton Joint |
| US Pipe | http://www.acipco.com/ |
| Vent |
| Dryerbox, In-O-Vate Technologies | http://www.dryerbox.com |
| Vent |
| Freedom Plastics, Inc. | http://www.freedomplastics.com |
| Vent |
| Genova Products, Inc. | http://www.genovaproducts.com |
| Vent |
| ProTech Systems, Inc. | http://www.protechinfo.com |
| Vent |
| Tru-Flex Metal Hose Corp. | http://www.tru-flex.com |
| Waste |
| Blucher-Josam | http://www.josam.com |
| Waste |
| Freedom Plastics, Inc. | http://www.freedomplastics.com |
| Waste |
| Genova Products, Inc. | http://www.genovaproducts.com |
| Wrought Iron |
| Atlantic American Fire Equipment Co. | http://www.atlanticamerican.com |
| Wrought Iron |
| Bull Moose Tube Co. | http://www.bullmoosetube.com |
| Wrought Iron |
| Wheatland Tube Co. | http://www.wheatland.com |
|
| ALT | http://www.altfabrication.com |
|
| Anaco | http://www.anaco-husky.com |
|
| Bull Moose Tube Co. | http://www.bullmoosetube.com |
|
| Cast Iron Soil Pipe Institute | http://www.cispi.org |
|
| CertainTeed Corp. | http://www.certainteed.com |
|
| Dahl Brothers Canada Ltd. | http://www.dahlvalve.com/ |
|
| Fusion Support Services LLC | http://www.hdpe-fusionsupport.com/ |
|
| Gem Fabrication | http://www.gemfab.com |
|
| Harvel Plastics, Inc. | http://www.harvel.com |
|
| IDOD Systems LLC | http://www.idodsystems.com |
|
| RectorSeal | http://www.rectorseal.com |
|
| REHAU, Inc. | http://www.rahau.com |
|
| Reliable Automatic Sprinkler Co., Inc. | http://www.reliablesprinkler.com |
|
| Spears Mfg. Co. | http://www.spearsmfg.com |
|
| Star Sprinkler Inc. | http://www.starsprinkler.com |
|
| Viega | http://www.viega.com |
| Acid Resisting |
| Corzan Piping Systems | http://www.corzancpvc.com |
| Acid Resisting |
| IPEX | http://www.ipexinc.com |
| Acid Resisting |
| PEP Plasic Engineered Products | http://www.pep-plastic.com |
| Acid Resisting |
| Spears Mfg. Co. | http://www.spearsmfg.com |
| Acid Resisting |
| Town & Country Plastics, Inc. | http://www.tandcplastics.net |
| Brass | Iron Pipe Sizes | Anderson Metal Corp., Inc. | http://www.andersonmetals.com |
| Brass | Iron Pipe Sizes | Barnett | http://www.e-barnett.corn |
| Brass | Iron Pipe Sizes | CuraFlo Technologies | http://www.curaflo.com |
| Brass | Iron Pipe Sizes | Edmund A. Gray Co., Inc. | http://www.eagray.com |
| Brass | Iron Pipe Sizes | Lee Brass | http://www.leebrass.com |
| Brass | Iron Pipe Sizes | Matco-Norca, Inc. | http://www.matco-norca.com |
| Brass | Iron Pipe Sizes | Merit Brass Co. | http://www.meritbrass.com |
| Brass | Iron Pipe Sizes | Smith-Cooper International | http://www.smithcooper.com |
| Brass | Iron Pipe Sizes | The Keeney Manufacturing Co. | http://www.keeneymfg.com |
| Brass | Iron Pipe Sizes | Trenton Pipe Nipple Co. | http://www.trentonpipe.com |
| Brass |
| Cerro | http://www.cerro.com |
| Brass |
| Halstead | http://www.burnham.com |
| Brass |
| Howell | http://www.howellmetal.com |
| Brass |
| Kobe | http://www.kobecopper.com |
| Brass |
| Mueller | http://www.muellereurope.com |
| Copper | Iron Pipe Sizes | Anderson Metal Corp., Inc. | http://www.andersonmetals.com |
| Copper | Iron Pipe Sizes | Barnett | http://www.e-barnett.corn |
| Copper | Iron Pipe Sizes | CuraFlo Technologies | http://www.curaflo.com |
| Copper | Iron Pipe Sizes | Edmund A. Gray Co., Inc. | http://www.eagray.com |
| Copper | Iron Pipe Sizes | Lee Brass | http://www.leebrass.com |
| Copper | Iron Pipe Sizes | Matco-Norca, Inc. | http://www.matco-norca.com |
| Copper | Iron Pipe Sizes | Merit Brass Co. | http://www.meritbrass.com |
| Copper | Iron Pipe Sizes | Smith-Cooper International | http://www.smithcooper.com |
| Copper | Iron Pipe Sizes | The Keeney Manufacturing Co. | http://www.keeneymfg.com |
| Copper | Iron Pipe Sizes | Trenton Pipe Nipple Co. | http://www.trentonpipe.com |
| Copper |
| Cerro | http://www.cerro.com |
| Copper |
| Halstead | http://www.burnham.com |
| Copper |
| Howell | http://www.howellmetal.com |
| Copper |
| Kobe | http://www.kobecopper.com |
| Copper |
| Mueller | http://www.muellereurope.com |
| Flexible | Gas Piping | Gastite | http://www.gastite.com |
| Plastic | ABS | Charlotte Pipe and Foundary Co. | http://www.charlottepipe.com |
| Plastic | ABS | Spears | http://www.spearsmfg.com |
| Plastic | Corzan | Flow Guard Gold | http://www.flowguardgold.com/ |
| Plastic | CPVC | Charlotte Pipe and Foundary Co. | http://www.charlottepipe.com |
| Plastic | CPVC | Flow Guard Gold | http://www.flowguardgold.com/ |
| Plastic | CPVC | Spears | http://www.spearsmfg.com |
| Plastic | PEX Domestic Hot and Cold | Viega | http://www.viega.com |
| Plastic | Polypropylene | Charlotte Pipe and Foundary Co. | http://www.charlottepipe.com |
| Plastic | Polypropylene | Spears | http://www.spearsmfg.com |
| Plastic | PVC | Charlotte Pipe and Foundary Co. | http://www.charlottepipe.com |
| Plastic | PVC | Spears | http://www.spearsmfg.com |
| Plastic |
| Charlotte Pipe and Foundary Co. | http://www.charlottepipe.com |
| Plastic |
| Spears | http://www.spearsmfg.com |
| Power |
| Energy & Process Corp. | http://www.energyandprocess.com |
| Stainless Steel |
| Merit | http://www.meritbrass.com |
| Stainless Steel |
| Prudential | http://www.lascobathware.com |
| Stainless Steel |
| Sharon | http://www.lascobathware.com |
| Stainless Steel |
| Thypin Steel | http://www.inland.com |
| Stainless Steel |
| Virginia Stainless | http://www.lascobathware.com |
| Steel |
| Sawhill Tubular | http://www.wheatland.com |
| Steel |
| Thypin Steel | http://www.inland.com |
| Steel |
| Tioga Pipe Supply | http://www.tiogapipe.com/ |
| Steel |
| United Pipe | http://www.united-pipe.com/ |
| Steel |
| Wheatland Tube Co. | http://www.wheatland.com |