| 47 | 3e Electrical Engineering & Equipment Co. | Windsor Heights, IA |
| 124 | Active Electrical Supply Co. | Chicago |
| 195 | Advance Electrical & Industrial Supply Inc. | Norcross, GA |
| 126 | Advance Electrical Supply Co. Inc. | Chicago |
| 112 | Alameda Electrical Distributors Inc. | Hayward, CA |
| 188 | Allied Wholesale Electrical Supply Inc. | Indianapolis |
| 84 | Allied Wire & Cable Inc. | Collegeville, PA |
| 180 | Allsale Electric Inc. | Canoga Park, CA |
| 119 | American Electric Supply Inc. | Corona, CA |
| 5 | Anixter International | Skokie, IL |
| 164 | Argo International Corp. | New York |
| 76 | Arkansas Electric Cooperatives | Little Rock, AR |
| 185 | Atlanta Electrical Distributors | Duluth, GA |
| 140 | B&K Electrical Wholesale | City of Industry, CA |
| 89 | Becker Electric Supply | Dayton, OH |
| 191 | Bell Electrical Supply | Santa Clara, CA |
| 72 | Benfield Electrical Supply Co. Inc. | White Plains, NY |
| 66 | Billows Electric Supply | Philadelphia |
| 139 | BJ Electric Supply Inc. | Madison, WI |
| 7 | Border States Industries Inc. | Fargo, ND |
| 82 | Broken Arrow Electric Supply | Broken Arrow, OK |
| 121 | Brownstown Electric Supply Co. Inc. | Brownstown, IN |
| 136 | Buckles-Smith | San Jose, CA |
| 52 | Butler Supply Inc. | Fenton, MO |
| 171 | Candela Corp. | Irvine, CA |
| 192 | Caniff Electric Supply | Hamtramk, MI |
| 60 | Cape Electrical Supply | Cape Girardeau, MO |
| 128 | CBT Co. | Cincinnati |
| 148 | Central Supply Co. | Indianapolis, IN |
| 12 | City Electric | Orlando, FL |
| 144 | City Electric Co. | Syracuse, NY |
| 122 | City Lighting Products Co. | St. Louis, MO |
| 35 | Codale Electric Supply, Inc. | Salt Lake City |
| 42 | Colonial Electric Supply | King of Prussia, PA |
| 142 | Connexion | Buffalo Grove, IL |
| 6 | Consolidated Electrical Distributors | Westlake Village, CA |
| 85 | Cooperative Electric Energy Supply Inc. (CEE-US) | West Columbia, SC |
| 10 | Crescent Electric Supply Co. | East Dubuque, PA |
| 120 | Crum Electric Supply Co. Inc. | Casper, WY |
| 39 | Dakota Supply Group Inc. | Fargo, ND |
| 14 | Dealers Electrical Supply Co. | Waco, TX |
| 129 | Denney Electric Supply | Ambler, PA |
| 156 | Dickman Supply Inc. | Sidney, OH |
| 155 | Diversified Supply Inc. | Alabaster, AL |
| 36 | Dominion Electric Supply Co. Inc. | Arlington, VA |
| 134 | E. Sam Jones Distributors | Atlanta |
| 30 | ECHO Electric Supply (ECHO Group Inc.) | Council Bluffs, IA |
| 34 | Eck Supply Co. (Eck Enterprises) | Richmond, VA |
| 177 | Edison Equipment | Columbus, OH |
| 116 | Electric Distributors Inc. | Charlotte, NC |
| 161 | Electric Motor Sales & Supply | Chattanooga, TN |
| 127 | Electric Supply & Equipment Co. | Greensboro, NC |
| 80 | Electric Supply Inc. | Tampa, FL |
| 101 | Electrical Distributors Co. (Chester C. Lehmann Co. Inc.) | San Jose, CA |
| 71 | Electrical Equipment Co. | Raleigh, NC |
| 167 | Electrical Supplies Inc. | Miami |
| 97 | Electrical Wholesale Supply Co. of Utah Inc. | Salt Lake City |
| 87 | Electro-Matic Products Inc. | Farmington Hills, MI |
| 19 | Elliott Electric Supply | Nacogdoches, TX |
| 88 | Evergreen-Oak Electric Supply and Sales Co. | Crestwood, IL |
| 61 | Facility Solutions Group | Austin, TX |
| 110 | Feldman Brothers Electrical Supply Co. | Paterson, NJ |
| 106 | Fletcher-Reinhardt Co. | Bridgeton, MO |
| 151 | Franklin Electric Co. | Moorestown, NJ |
| 64 | French Gerleman Electric | St. Louis, MO |
| 117 | Fromm Electric Supply Corp. | Reading, PA |
| 113 | Frost Electric Supply Co. | Maryland Heights, MO |
| 183 | G&G Electric Supply Co Inc. | New York |
| 143 | Gaffney-Kroese Electrical Supply Corp. | Piscataway, NJ |
| 158 | Gallant & Wein Corp. | Long Island City, NY |
| 131 | General Pacific Inc. | Fairview, OR |
| 78 | Granite City Electric | Quincy, MA |
| 130 | Granite Electrical Supply Inc. | Sacramento, CA |
| 133 | Grant Electrical & Plumbing Supplies | Long Island City, NY |
| 4 | Graybar Electric Co. | St. Louis, MO |
| 48 | Gresco Utility Supply Inc. | Forsyth, GA |
| 199 | Griffith Electric Supply Co Inc. | Trenton, NJ |
| 138 | Grove-Madsen Industries | Reno, NV |
| 190 | Hannan Supply Co | Paducah, KY |
| 187 | Harry Cooper Supply Co. (C.B. Management Co. Inc.) | Springfield, MO |
| 178 | Hartford Electric Supply Co. (HESCO) | Rocky Hill, CT |
| 9 | HD Supply | Atlanta |
| 165 | Hein Electric Supply Co. | Brookfield, WI |
| 58 | Hill Country Electric Supply | Austin, TX |
| 57 | Hite Co., The | Altoona, PA |
| 56 | Horizon Solutions LLC | Rochester, NY |
| 25 | Houston Wire & Cable | Houston |
| 159 | Hunt Electric Supply | Burlington, NC |
| 102 | Hunzicker Brothers Inc. | Oklahoma City, OK |
| 146 | I.G. Federal Electrical Supply Corp. | Long Island City, NY |
| 175 | Idlewood Electric | Highland Park, IL |
| 141 | Independent Electric Supply | Somerville, MA |
| 18 | Independent Electric Supply Inc. | San Carlos, CA |
| 37 | Industrial Electric Wire & Cable (IEWC) | New Berlin, WI |
| 108 | Inline Electric Supply Co Inc. | Huntsville, AL |
| 123 | International Electrical Sales Corp. | Miami |
| 193 | Interstate Electrical Supply Inc. | Columbus, GA |
| 93 | J.H. Larson Electrical Co. | Plymouth, MN |
| 125 | JCH Wire & Cable Inc. | N. Las Vegas, NV |
| 153 | K/E Electric Supply | Mount Clemens, MI |
| 194 | Kansas City Electrical Supply Co. | Lenexa, KS |
| 21 | Kendall Electric Inc. | Portage, MI |
| 27 | Kirby Risk Electrical Supply (Kirby Risk Corp.) | Lafayette, IN |
| 169 | KJ Electric | Syracuse, NY |
| 184 | Kovalsky-Carr Electric Supply Co. Inc. | Rochester, NY |
| 43 | Kriz-Davis Co. | Grand Island, NE |
| 179 | LaSalle Electric Supply | Livonia, MI |
| 98 | Leff Electric | Brooklyn Heights, OH |
| 91 | Loeb Electric Co. | Columbus, OH |
| 137 | Lowe Electric Supply Co. | Macon, GA |
| 96 | Madison Electric Co. | Warren, MI |
| 79 | Main Electric Supply Co. | Los Angeles |
| 150 | Maltby Electric Supply Co. Inc. | San Francisco |
| 135 | Mars Electric Co. | Willoughby, OH |
| 11 | Mayer Electric Supply Co. Inc. | Birmingham, AL |
| 16 | McNaughton-McKay Electric Co. | Madison Heights, MI |
| 145 | Medler Electric Co. | Alma, MI |
| 196 | Meletio Electrical Supply | Dallas |
| 147 | Mid-Coast Electric Supply Inc. | San Antonio, TX |
| 118 | Mid-Island Electrical Supply | Commack, NY |
| 197 | Midtown Electric Supply Corp. | New York |
| 162 | Mid-West Wholesale Lighting | Los Angeles |
| 75 | Munro Distributing Co. Inc. | Fall River, MA |
| 86 | Needham Electric Supply (NESCO) | Canton, MA |
| 172 | Nelson Electric Supply Co. Inc. | Racine, WI |
| 22 | North Coast Electric Co. | Seattle |
| 103 | Nu-Lite Electrical Wholesalers Inc. | Harahan, LA |
| 29 | Omni Cable Corp. | West Chester, PA |
| 23 | OneSource Distributors* | Oceanside, CA |
| 181 | Parrish-Hare Electrical Supply | Dallas |
| 132 | Peninsular Electric Distributors | West Palm Beach, FL |
| 13 | Platt Electric Supply | Beaverton, OR |
| 51 | Power Line Supply Co. (Utility Supply and Construction Co.) | Reed City, MI |
| 70 | Professional Electrical Products Co. (PEPCO) | Willoughby, OH |
| 49 | QED Inc. | Las Vegas, NV |
| 173 | Raymond de Steiger Inc. | Sterling Heights, MI |
| 74 | Regency Lighting | Chatsworth, CA |
| 53 | Revere Electric Supply Co. | Chicago |
| 3 | Rexel (Rexel/Gexpro)* | Dallas |
| 17 | Reynolds Co., The | Fort Worth, TX |
| 94 | Richards Electric Supply Co Inc. | Cincinnati |
| 174 | Robinson Electric Supply Co Inc. | Meridian, MS |
| 149 | Rockingham Electrical Supply Co. Inc. | Newington, NH |
| 32 | Rumsey Electric Co. | Conshohocken, PA |
| 55 | Rural Electric Supply Cooperative (RESCO) | Middleton, WI |
| 59 | Schaedler Yesco Distribution Inc. | Harrisburg, PA |
| 115 | Schwing Electrical Supply Corp. | Farmingdale, NY |
| 152 | Sequel Electric Supply LLC | Meridian, MS |
| 63 | Shealy Electrical Wholesalers Inc. | West Columbia, SC |
| 41 | Shepherd Electric Supply | Baltimore |
| 1 | Sonepar North America | Paris, France |
| 182 | South Dade Electrical Supply | Miami |
| 198 | Southeastern Electrical Distributors Inc. | Greenville, SC |
| 50 | Springfield Electric Supply Co. | Springfield, IL |
| 45 | Standard Electric | Saginaw, MI |
| 99 | Standard Electric Supply Co. | Milwaukee |
| 67 | Stanion Wholesale Electric Co. Inc | Pratt, KS |
| 15 | State Electric Supply Co. | Huntington, WV |
| 33 | Steiner Electric Co. | Elk Grove, IL |
| 95 | Steven Engineering Inc. | South San Francisco, CA |
| 160 | Stokes Electric Co. | Knoxville, TN |
| 54 | Stoneway Electric Supply | Spokane, WA |
| 26 | Summit Electric Supply | Albuquerque, NM |
| 90 | Sunrise Electric Supply | Addison, IL |
| 154 | Swift Electrical Supply Co. Inc. | Teterboro, NJ |
| 163 | Tacoma Electric Supply | Tacoma, WA |
| 68 | TEC Utility Supply & Service | Georgetown, TX |
| 65 | Teche Electric Supply LLC | Lafayette, LA |
| 109 | Treadway Electric Co., Inc. | Little Rock, AR |
| 168 | Tri State Supply Co Inc. | Washington, PA |
| 104 | Tri State Utility Products Inc. | Marietta, GA |
| 24 | Turtle & Hughes Inc. | Linden, NJ |
| 38 | United Electric Supply | Wilmington, DE |
| 69 | United Utility Supply Cooperative Corp. | Louisville, KY |
| 189 | Upchurch Electrical Supply Co. | Fayetteville, AR |
| 31 | Van Meter Industrial | Cedar Rapids, IA |
| 105 | Villa Lighting Supply | St. Louis, MO |
| 107 | Voss Lighting | Lincoln, NE |
| 8 | W.W. Grainger | Lake Forest, IL |
| 83 | Wabash Electric Supply Inc. | Wabash, IN |
| 28 | Walters Wholesale Electric | Signal Hill, CA |
| 114 | Warshauer Electric Supply | Tinton Falls, NJ |
| 46 | Werner Electric | Cottage Grove, MN |
| 40 | Werner Electric Supply Co. | Neenah, WI |
| 2 | WESCO International Inc. | Pittsburgh |
| 186 | West Virginia Electric Supply Co. | Huntington, WV |
| 73 | Western Extralite Co. | Kansas City, MO |
| 100 | Western United Electrical Supply | Brighton, OH |
| 62 | Wholesale Electric Supply Co. Inc. | Texarkana, TX |
| 20 | Wholesale Electric Supply Company of Houston Inc. | Houston |
| 200 | Wholesale Supply Group Inc | Cleveland, TN |
| 157 | Wildcat Electric Supply | Houston |
| 176 | Wille Electric Supply Co. | Modesto, CA |
| 170 | Williams Supply | Roanoke, VA |
| 92 | Windy City Wire, Cable & Technology Products | Bolingbrook, IL |
| 166 | Winkle Electric Co. Inc. | Youngstown, OH |
| 44 | WinWholesale Inc | Dayton, OH |
| 81 | Wolff Brothers Supply Inc. | Medina, OH |
| 111 | Womack Electric Supply Co Inc. | Danville, VA |
| 77 | Yale Electric Supply Co. | Lebanon, PA |