A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |
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| Advanced Drainage System | Polyethylene drainage products |
| Alcoa | Building Products |
| Alsons | Hand Held Personal Showers |
| Aluminum Coating Mfg. | Roof Coatings |
| Amerec | Sauna Rooms & Equipment |
| Amtrol | Expansion Tanks, Pumps & Valves |
| Anvil-Grinnell | Valves, Fittings, Pipe & Accessories |
| Apollo | Ball Valves & Operators |
| Aprilaire | Humidifiers |
| Aquapex | Cross Linked Polyethylene Hydronic Radiant Floor Heating System |
| Aristokraft | Cabinets & Vanities |
| Armstrong Air | Heating & Cooling Equipment, Gas, Oil, and Electric |
| Auer Register | Registers & Diffusers |
| A.Y. McDonald | Gas Cocks and Sump Pumps |
| Basco | Shower Doors & enclosures |
| Bell & Gossett | Pumps, Heat Exchangers, and Hydronic Specialties |
| Berner | Air Doors, Strip Doors, and Fabric Duct |
| Bonney Forge | Pipe Fittings |
| Bradford-White | Gas & Electric Commercial & Residential Water Heaters |
| Bradley Washfountain | Commercial, Industrial, Institutional Sinks, Showers & Dispensers |
| Brass Craft | Supplies, Valves & Connectors |
| Bristol Pipe | ABS & PVC DWV Plastic Pipe |
| Broan | Ventilating Fans & Range Hoods |
| Burnham | Gas, Oil & Electric, Steam & Hot Water Boilers |
| Central Brass | Faucets, Tub/Shower Valves |
| Cherne | Test Plugs & Testing Equipment |
| Chicago Faucet | Faucets, Valves & Accessories |
| Chromalox | Electric Baseboard, Wall, Ceiling Heaters, Unit Heaters & Controls |
| Concord | Heating & Cooling Equipment (Gas & Oil) |
| American CoolAir | Commercial/Industrial Ventilation Products |
| Crane | Valves |
| Crane | Plumbing Ware |
| Dayton Products | Stainless Steel Sinks |
| Danze Faucets | Faucets, Shower Heads, and Bath Accessories |
| Dearborn | Tubular Brass |
| Decora | Semi-Custom Kitchen Cabinets |
| Desa International | Residential Space Heating Equipment/Fireplaces |
| Delta | Faucets, Bath & Related Fixtures |
| Duro Dyne | Duct Fabrication Accy. |
| Elkay | Stainless Steel Sinks & Water Coolers & Faucets |
| Elkhart | Copper Fittings |
| E.L. Mustee | Laundry Trays |
| Emerson | Motors & Accessories |
| Fiat | Shower Floors & Mop Basins |
| Flexible Technologies | Flex Duct |
| Fireye | Smoke Detection Equipment, Valves, Gas Cocks, Infra-Red & Ultra-Violet Burner Supervisory Controls |
| Fluidmaster Pro-Temp | Commercial Water Heater Energy Saving Control |
| Formica | Laminate Plastics & Counter Tops |
| Franke | Sinks |
| Franklin Brass | Bathroom Accessories |
| Friedrich | Air Conditioning Products |
| Frigidaire | Refrigerators, Ranges, Compactors, Disposals & Dishwashers |
| Gastite | Flexible Stainless Steel, P.V.C. Coated Gas Lines & Fittings |
| Geberit | Bath Waste & Toilet Tanks |
| General Wire | Sewer Cleaning Equipment |
| Goulds | Pumps |
| Grundfos | Pumps |
| Halsey Taylor | Drinking Fountains & Coolers |
| Hammond Valves | Brass & Iron Valves |
| Hansgrohe | Faucetry |
| Hart & Cooley | Registers & Diffusers |
| Heat & Cooling Products | Sheet Metal Fittings, Ductwork & Accessories |
| Heritage Marble | Vanity Marble tops, Custom Showers & Whirlpools |
| Hoffman | Condensate Pumps, Vents, Traps, Float & Lever Valves & Pressure Reducing Valves |
| Honeywell | Gas Controls, Instrumentation, Temperature Controls, Valves, Thermostats, Flame Safeguard Equipment, Pneumatics, DDC Excel, Lite Commercial & Industrial Controls (Including Leeds & Northrup Division) |
| Hydromatic | Sump Pumps |
| Hydrotherm | Gas, Oil, Electric-Steam, and Hot Water Boilers |
| In-Sink Erator | Garbage Disposal & Compactors |
| Insulation | Schuller, Owens Corning |
| ITT-Hoffman | Condensate Pumps, Vents, Traps, Float & Lever Valves & Pressure Reducing Valves |
| ITT-McDonnell Miller | Boiler Water Level Controls, Air & Liquid Flow Switches |
| Johnson Controls | Heating & Air Conditioning Controls & Systems |
| Just Manufacturing | Stainless Steel Sinks Effluent Sewage Sump Pump |
| Kent Meters | Water Meters |
| Kitchen Kompact | Kitchen Cabinets & Vanities |
| Kohler | Plumbing Fixtures & Fittings |
| Laars | Boilers, Volume Water Heaters |
| Lasco | Acrylic & Fiberglass Bath Fixtures |
| Legend | Valves |
| Liberty Pumps | Sump, Drain, Effluent, Sewage Pumps |
| Little Giant | Condensate & Chemical Pumps, Effluent Sewage Sump Pump |
| Lochinvar | Commercial & Industrial Water Heaters |
| Louvers and Dampers | Custom Louvers, Dampers, & Air Control Devices |
| Luxaire | Oil, Gas, Electric Heating & Air Conditioning Equipment |
| Magic-Pak | Combination Heating & Air Conditioning Equipment |
| Mansfield | Plumbing Fixtures |
| Mars | Controls & HVAC Misc. |
| Maxitrol | Regulators & Valves |
| McDonnell-Miller | Boiler Water Level Controls, Air & Liquid Flow Switches |
| Merit Brass | Brass & Aluminum Pipe Nipples & Fittings |
| Metal Industries | Storm Doors & Windows |
| Mill Rose | Hand & Power Cleaning Brushes |
| Milwaukee | Power Tools |
| Mitsubishi | Mini Split Air Conditioners |
| Moen | Faucets, Shower Heads & Accessories |
| Mustee | Shower Bases/Walls & Laundry Tubs |
| Nibco | Valves & Fittings |
| Nutone/Broan | Fans & Intercom Systems |
| Oatey | Chemicals & Roof Flashing |
| Oasis | Water Coolers & Dehumidifiers |
| Ohio Sealant, Inc. | Caulking & Sealants |
| Oil Creek | Plastic Gas & Water Tubing |
| Olsonite | Closet Seats |
| Owens Corning | Duct & Pipe Insulation |
| Paragon | Time Controls |
| Penn Ventilators | Ventilators & Fans |
| Plastic Oddities | Roof & Floor Drains & Backwater Valves |
| Purolator | Air Filters & Filtration Equipment |
| Q-Mark | Electric Heaters |
| Reed Manufacturing | Pipe Cutting & Threading Tools |
| Research Products | Aprilaire Humidifiers & Space Guard Filters & Perfect Aire |
| Reznor | Unit Heaters, Make-Up Air Units & Duct Furnaces & Infrared Heaters |
| Ridge Tool | Pipe Wrenches, Power Threaders & Reamers |
| Robertshaw | Gas Valves, Thermostats & Regulating Valves |
| Robinair | Refrigeration Tools & Test Equipment |
| Schaul Mfg | Plumbing Specialties & Accessories |
| Sharon Tube | Steel Pipe |
| Siebe Environmental Controls | Pneumatic, Electric, Electronic & DDC Building Control System |
| Simonton Products | Vinyl & Aluminum Windows |
| Sioux Chief | Plumbing Accessories |
| Skuttle | Humidifiers |
| Sloan Valve | Flush Valves |
| Space Gard | Media Air Cleaners |
| Space Pak | A.C. Systems by Hydrotherm |
| Speakman Co. | Emergency Equipment |
| Stark Glass Block Co. | Emergency Equipment |
| SteamMist | Steam Bath Units |
| Sterling Plumbing Products | Shower & Tub Enclosures |
| Studor | Air Admittance Valves |
| Sub-Zero | Appliances |
| Swan | Tub, Shower Walls, Floors, Sinks and Lavs |
| Taco | Pumps, Zone Valves & Heat exchangers |
| Tekmar | Boiler Controls |
| Testo Inc. | Test Instruments |
| Trol-A-Temp | Warm Air Zone Dampers |
| TubMaster | Tub Enclosures, Tub/Shower Doors & Sky Lights |
| Uponor | Plumbing/Radiant tubing |
| Viega | Plumbing/Radiant tubing |
| Viking | Appliances |
| Virginia KMP | Refrigeration Products |
| Watts | Relief & Regulating Valves |
| Watts Drainage | Floor and Area Drains |
| Werner | Ladders, Aluminum, Fiberglass, & Wood, Scaffold & Planks |
| Wheatland Tube | Steel Pipe |
| Wheeler Rex Manufacturing | Pipe Cutters & Threaders |
| White-Rodgers | Refrigeration Controls, Gas Controls & Zone Valves |
| Wilkins/Zurn | Backflow Preventers |
| Wilson Art | Laminate Plastics & Counter Tops |
| Wirsbro | Cross Linked Polyethylene Hydronic Radiant Floor Heating System |
| Woodpro | Bath Vanities |
| Zurn | Drains, Traps, and Flush Valves |