| Electrical | Fire Protection | Eaton Cutler-Hammer | http://www.chfire.com |
| Electrical | Fire Protection | FPT Flammadur | http://www.flammadur.com |
| Electrical | Fire Protection | Home Safeguard Industries LLC | http://www.homesafeguard.com |
| Electrical | Fire Protection | ITW Buildex | http://www.itwbuildex.com |
| Electrical | Fire Protection | K & E Fire Protection | http://www.kefire.com |
| Electrical | Fire Protection | Pioneering Technology Inc. | http://www.safetelement.com |
| Electrical | Fire Protection | Promatec | http://www.promatec.com |
| Electrical | Fire Protection | ROXTEC, Inc. | http://www.roxsystem.com |
| Electrical | Fire Protection | SRB Technologies, Inc. | http://www.srbtechnologies.com |
| Electrical | Fire Protection | Thermal Designs, Inc. | http://www.tdius.com |
| Electrical | Fire Protection | Tyco Thermal Controls | http://www.tycothermal.com |
| Electrical | Fire Protection | Wireguard, Inc. | http://www.wireguardinc.com |
| Electrical | Fire Protection | Zero International, Inc. | http://www.zerointernational.com |
| Electrical |
| ALT | http://www.altfabrication.com |
| Electrical |
| FPT Flammadur | http://www.flammadur.com |
| Electrical |
| Laner Electric Supply | http://www.laner.com |
| Electrical |
| Pioneering Technology Inc. | http://www.safetelement.com |
| Electrical |
| Solvay Advanced Polymers, Inc. | http://www.solvayadvancedpolymers.com |
| Electrical |
| Wireguard, Inc. | http://www.wireguardinc.com |
| Flexible | Non-Metallic | AFC Cable Systems Inc. | http://www.afcweb.com |
| Flexible | Non-Metallic | Amco Corp | http://www.arncocorp.com |
| Flexible | Non-Metallic | Brim Electronics Inc. | http://www.brimelectronics.com |
| Flexible | Non-Metallic | Cantex Inc. | http://www.cantexinc.com |
| Flexible | Non-Metallic | Carlon | http://www.carlon.com |
| Flexible | Non-Metallic | EGS - Appleton | http://www.appletonelec.com |
| Flexible | Non-Metallic | EGS - O-Z/Gedney | http://www.o-zgedney.com |
| Flexible | Non-Metallic | Gexpro | http://www.gesupply.com |
| Flexible | Non-Metallic | Hubbell Premise Wiring | http://www.hubbell-premise.com |
| Flexible | Non-Metallic | Hubbell Wiring Device-Kellems | http://www.hubbell-wiring.com |
| Flexible | Non-Metallic | IPEX | http://www.ipexinc.com |
| Flexible | Non-Metallic | Kraloy | http://www.kraloyfittings.com |
| Flexible | Non-Metallic | Lapp USA | http://www.lappusa.com |
| Flexible | Non-Metallic | MM Newman Corp. | http://www.mmnewman.com |
| Flexible | Non-Metallic | NewAge Industries Inc. | http://www.newageindustries.com |
| Flexible | Non-Metallic | Niedax-Itteinhuis USA Inc. | http://www.niedaxusa.com/
|
| Flexible | Non-Metallic | Southwire | http://www.southwire.com |
| Flexible | Metallic | AFC Cable Systems Inc. | http://www.afcweb.com |
| Flexible | Metallic (plastic-coated) | AFC Cable Systems Inc. | http://www.afcweb.com |
| Flexible | Metallic (plastic-coated) | Eastern Wire + Conduit | http://www.easternwire.com |
| Flexible | Metallic (plastic-coated) | EGS - Appleton | http://www.appletonelec.com |
| Flexible | Metallic (plastic-coated) | EGS - O-Z/Geciney | http://www.o-zgedney.com |
| Flexible | Metallic (plastic-coated) | Gexpro | http://www.gesupply.com |
| Flexible | Metallic (plastic-coated) | Lapp USA | http://www.lappusa.com |
| Flexible | Metallic (plastic-coated) | Perma-Cote | http://www.permacote.com |
| Flexible | Metallic (plastic-coated) | Southwire | http://www.southwire.com |
| Flexible |
| EGS - Appleton | http://www.appletonelec.com |
| Flexible |
| EGS - O-Z/Gedney | http://www.o-zgedney.com |
| Flexible |
| Gexpro | http://www.gesupply.com |
| Flexible |
| Lapp USA | http://www.lappusa.com |
| Flexible |
| Southwire | http://www.southwire.com |
| Metallic Plastic-Coated |
| All Current Electrical Sales Inc. | http://www.allcurrent.com |
| Metallic Plastic-Coated |
| Anamet Electrical Inc. | http://www.anacondasealtite.com |
| Metallic Plastic-Coated |
| EGS - Appleton | http://www.appletonelec.com |
| Metallic Plastic-Coated |
| EGS - O-Z/Gedney | http://www.o-zgedney.com |
| Metallic Plastic-Coated |
| Gexpro | http://www.gesupply.com |
| Metallic Plastic-Coated |
| Korkap | http://www.korkap.com |
| Metallic Plastic-Coated |
| Perma-Cote | http://www.permacote.com |
| Metallic Plastic-Coated |
| Thomas & Betts Corp. | http://www.tnb.com |
| Metallic Uncoated |
| All Current Electrical Sales Inc. | http://www.allcurrent.com |
| Metallic Uncoated |
| Allied Tube & Conduit | http://www.alliedeg.com/ |
| Metallic Uncoated |
| Cablofil Inc. | http://www.cablofil.com |
| Metallic Uncoated |
| EGS - Appleton | http://www.appletonelec.com |
| Metallic Uncoated |
| EGS - O-Z/Gedney | http://www.o-zgedney.com |
| Metallic Uncoated |
| Gexpro | http://www.gesupply.com |
| Metallic Uncoated |
| Republic Conduit | http://www.republicconduit.com |
| Non-Metallic |
| Allied Tube & Conduit | http://www.alliedeg.com/ |
| Non-Metallic |
| Cantex Inc. | http://www.cantexinc.com |
| Non-Metallic |
| Carlon | http://www.carlon.com |
| Non-Metallic |
| Champion Fiberglass | http://www.championfiberglass.com |
| Non-Metallic |
| EGS - Appleton | http://www.appletonelec.com |
| Non-Metallic |
| EGS - O-Z/Geciney | http://www.o-zgedney.com |
| Non-Metallic |
| Gexpro | http://www.gesupply.com |
| Non-Metallic |
| IPEX | http://www.ipexinc.com |
| Non-Metallic |
| Queen City Plastics Inc | http://www.queencityplastics.com |
| PVC Coated |
| Perma-Cote | http://www.permacote.com |
| Underground Piping |
| Dryerbox, In-O-Vate Technologies | http://www.dryerbox.com |
| Underground Piping |
| Freedom Plastics, Inc. | http://www.freedomplastics.com |
| Underground Piping |
| IPEX | http://www.ipexinc.com |
|
| Radiator Specialty Co. | http://www.gunk.com |
|
| Reed Mfg. Co. | http://www.reedmfgco.com |
|
| Rothenberger USA LLC | http://www.rothenberger-usa.com |
| In Floor Systems |
| H H Robertson Floor Systems | http://www.hhrobertson.com |