Manufacturers

 3M COMPANY 3M PURIFICATION ABB, INC. ACUITY BRANDS LIGHTING
ACORN SAFETY ADS, INC. AFC CABLE SYSTEMS AMERICAN POLYWATER
AMERICAN STANDARD, INC. AMERICAN WATER HEATER AMTROL ANVIL INTERNATIONAL
AO SMITH APOLLO VALVES ARLINGTON INDUSTRIES ARMACELL LLC
ATKORE  BEMIS BOBRICK BRADFORD WHITE WATER HEATERS
BRASSCRAFT BRIDGEPORT FITTINGS, INC. BRK ELECTRONICS BURNDY LLC
CALEFFI NORTH AMERICA CANFIELD TECHNOLOGIES CANTEX CEMENTEX
CERRO WIRE LLC CHAMPION FIBERGLASS CHARGEPOINT CHARLOTTE PIPE
CHICAGO FAUCET CHURCH SEAT CO. CLEAR-VU LIGHTING COLONIAL WIRE & CABLE
CONDUIT PIPE PRODUCTS COMPANY CONDUX CONTINENTAL INDUSTRIES CONTROL SUPPLY CORP.
COOPER POWER SYSTEMS CRC INDUSTRIES, INC. DELTA FAUCET DIABLO TOOLS
DIVERSITECH DYNATEMP INTERNATIONAL EATON ELECTRICAL EDWARDS SIGNALING
EEMAX EIKO ELECTRI-FLEX COMPANY ELKAY SALES, INC.
ELKHART PRODUCTS CORP. E.L. MUSTEE & SONS EMERSON INDUSTRIAL AUTOMATION E-MON
ENCORE LIGHTING ENCORE WIRE CORP. FERNCO FISHER PIERCE INC.
FLINT & WALLING, INC. FLUIDMASTER INC. FORD METER BOX FRANKLIN ELECTRIC
GALVAN INDUSTRIES GASTITE GENERAC POWER SYSTEMS, INC. GENERAL CABLE
GENERAL ELECTRIC GERBER BRASS GREAVES GREEN CREATIVE LLC
GREENLEE GUARDIAN EQUIPMENT CO. HAMMOND MANUFACTURING COMPANY HAMMOND POWER SOLUTIONS, INC.
HAMMOND VALVE HARGER LIGHTNING PROTECTION HART & COOLEY HAWS
HEATLINK GROUP HERITAGE PLASTICS, INC. HILTI HOLDRITE
HOLYOKE FITTINGS HOUSTON WIRE & CABLE CO. HONEYWELL HONEYWELL GENESIS
HUBBELL IDEAL INDUSTRIES ILSCO IMARK GROUP, INC.
IN-SINK-ERATOR GE INDUSTRIAL INTERMATIC IOTA
IPEX USA LLC IPS CORPORATION ITT LAING THERMOTECH JM EAGLE
JONES-STEPHENS CORP. KAF-TECH KEENEY MANUFACTURING KEN-ALL LIGHTING
KIDDE KISSLER & CO., INC. KLEIN LASCO FITTINGS, INC.
LEGEND VALVE & FITTING LEGRAND LENOX LEVITON MANUFACTURING CO.
LIBERTY PUMPS LITTELFUSE LOUISVILLE LADDER INC. LSI INDUSTRIES
LSP PRODUCTS GROUP LUTRON ELECTRONICS MAG-LITE MANSFIELD PLUMBING PRODUCTS
MATCO-NORCA, INC. MAXLITE MELTRIC MERFISH PIPE & SUPPLY
MERIT BRASS CO. MERSEN (GOULD/FERRAZ-SHAWMUT) MIFAB, INC. MILBANK MFG. CO.
MILL-ROSE COMPANY MILWAUKEE ELECTRIC TOOL CORP. MINERALLAC COMPANY MISSION RUBBER CO.
MOEN MR. STEAM MULBERRY METAL PRODUCTS, INC. MULTI-FITTINGS
NAV-TECH NDS, INC. NICOR NIBCO
NORTH AMERICA PIPE CO. NORTH STAR WATER TREATMENT SYSTEMS NSI INDUSTRIES (TORK) NUTONE-BROAN
OATEY OMNI CABLE CORP. PANDUIT CORP. PASCO SPECIALTY & MFG.
PENTAIR PHILIPS PICOMA INDUSTRIES PRIME CONDUIT
PROGRESS LIGHTING P-W CABLE TRAY Q-MARK / MARLEY / BERKO HEATING RAB LIGHTING
RAY-O-VAC RECTORSEAL RED-WHITE VALVE CORP. REED MANUFACTURING CO.
REPUBLIC CONDUIT RIDGID TOOL ROBROY INDUSTRIES ROYAL BUILDING PRODUCTS
SATCO PRODUCTS, INC. SELECTA PRODUCTS, INC. SCHNEIDER (SQUARE-D) SFA SANIFLO
SHAKESPEARE INC. SHARKBITE 
SHAT-R SHIELD, INC. SHURTAPE TECHNOLOGIES, LLC
SIEMENS INDUSTRY, INC. SIMPSON STRONG-TIE SIOUX CHIEF MANUFACTURING SLANT/FIN
SLOAN VALVE SMITH INDUSTRIES (JAY R. SMITH) SMITH-BLAIR INDUSTRIES SMITH-COOPER INTERNATIONAL
SOUTHWIRE SPEARS STIEBEL ELTRON, INC. STREAMLIGHT
SUPCO SWAN SURFACES, LLC SYLVANIA LAMPS LEDVANCE SYMMONS
T&S BRASS & BRONZE TACO, INC. THOMAS & BETTS TOPAZ ELECTRIC
TOTO TPI / MARKEL TRACPIPE TURBOTORCH
UNITED PIPE & STEEL UNIVERSAL LIGHTING TECHNOLOGIES, INC. UPONOR, INC. VERSABAR
VIEGA, LLC WAC LIGHTING WALDOM ELECTRONICS CORP. WARD MANUFACTURING
WATTS WESTERN TUBE WESTINGHOUSE LIGHTING WHEELER-REX
WIELAND-KESSLER WOODHEAD & BRAD PRODUCTS BY MOLEX Z-FLEX U.S. ZOELLER PUMPS
ZURN + WILKINS