| Rank | Company | Headquarters |
|---|
| 31 | 3e Electrical Engineering & Equipment Co. | Windsor Heights, IA |
| 35 | A. E. Petsche Co. Inc. (acquired in 2009) | Arlington, TX |
| 161 | Active Electrical Supply Co. | Chicago |
| 199 | Advance Electrical & Industrial Supply | Norcross, GA |
| 144 | Advance Electrical Supply Co. Inc. | Chicago |
| 129 | Alameda Electrical Distributors Inc. | Hayward, CA |
| 193 | Allied Wholesale Electrical Supply Inc. | Indianapolis |
| 81 | Allied Wire & Cable Inc. | Collegeville, PA |
| 184 | Allsale Electric, Inc. | Canoga Park, CA |
| 132 | American Electric Supply Inc. | Corona, CA |
| 5 | Anixter International | Skokie, IL |
| 178 | Argo International Corp. | New York |
| 77 | Arkansas Electric Cooperatives Inc. | Little Rock, AR |
| 155 | B&K Electrical Wholesale | City of Industry, CA |
| 101 | Becker Electric Supply | Dayton, OH |
| 195 | Bell Electrical Supply | Santa Clara, CA |
| 62 | Benfield Electric Supply Co. Inc. | White Plains, NY |
| 64 | Billows Electric Supply Co. | Philadelphia |
| 162 | BJ Electric Supply Inc. | Madison, WI |
| 9 | Border States Industries Inc. | Fargo, ND |
| 86 | Broken Arrow Electric Supply | Broken Arrow, OK |
| 104 | Brownstown Electric Supply Co. Inc. | Brownstown, IN |
| 143 | Buckles-Smith | San Jose, CA |
| 53 | Butler Supply Inc. | Fenton, MO |
| 192 | Candela Corp. | Irvine, CA |
| 194 | Caniff Electric Supply | Hamtramck, MI |
| 78 | Cape Electrical Supply | Cape Girardeau, MO |
| 158 | CBT Co. | Cincinnati |
| 138 | Central Supply Co. | Indianapolis |
| 150 | Central Wholesale Electrical Distributors Inc. | Livermore, CA |
| 97 | City Electric Co. | Syracuse, NY |
| 14 | City Electric Supply (CES) | Orlando |
| 139 | City Lighting Products Co. | St. Louis |
| 33 | Codale Electric Supply Inc. | Salt Lake City |
| 44 | Colonial Electric Supply | King of Prussia, PA |
| 171 | Connexion Buffalo | Grove IL |
| 6 | Consolidated Electrical Distributors Inc. | Westlake Village, CA |
| 88 | Cooperative Electric Energy Utility Supply (CEE-US) | West Columbia, SC |
| 10 | Crescent Electric Supply Co. | East Dubuque, IL |
| 134 | Crum Electric Supply Co. Inc. | Casper, WY |
| 37 | Dakota Supply Group Inc. | Fargo, ND |
| 13 | Dealers Electrical Supply Co. | Waco, TX |
| 130 | Denney Electric Supply | Amber, PA |
| 169 | Dickman Supply Inc. | Sidney, OH |
| 49 | Dominion Electric Supply | Arlington, VA |
| 146 | E. Sam Jones Distributor Inc. | Atlanta |
| 30 | ECHO Electric Supply | Council Bluffs, IA |
| 42 | Eck Supply Co | Richmond, VA |
| 188 | Edison Equipment | Columbus, OH |
| 148 | Electric Supply & Equipment Co. | Greensboro, NC |
| 85 | Electric Supply Inc. | Tampa, FL |
| 121 | Electrical Distributors Co. | San Jose, CA |
| 120 | Electrical Distributors Inc. | Charlotte, NC |
| 76 | Electrical Equipment Company | Raleigh, NC |
| 166 | Electrical Supplies Inc. | Miami |
| 100 | Electrical Wholesale Supply Co. of Utah Inc. | Salt Lake City |
| 92 | Electro-Matic Products Inc. | Farmington Hills, MI |
| 140 | Electro-Wire Inc. | Wood Dale, IL |
| 21 | Elliott Electric Supply | Nacogdoches, TX |
| 90 | Evergreen Oak Electric Supply & Sales Co. | Crestwood, IL |
| 84 | Facility Solutions Group | Austin, TX |
| 105 | Feldman Brothers Electrical Supply Co. | Paterson, NJ |
| 163 | Fletcher-Reinhardt Co. | Bridgeton, MO |
| 180 | Franklin Electric Co. | Moorestown, NJ |
| 70 | French Gerleman | Maryland Heights, MO |
| 122 | Fromm Electric Supply Corp. | Reading, PA |
| 126 | Frost Electric Supply Co. | Maryland Heights, MO |
| 107 | Gaffney-Kroese Electrical Supply Corp. | Piscataway, NJ |
| 167 | Gallant & Wein Corp. | Long Island City, NY |
| 145 | General Pacific Inc. | Fairview, OR |
| 75 | Granite City Electric | Quincy, MA |
| 137 | Granite Electrical Supply Inc. | Sacramento, CA |
| 4 | Graybar Electric Company Inc. | St. Louis |
| 57 | Gresco Utility Supply, Inc | Forsyth, GA |
| 198 | Griffith Electric Supply Co. Inc. | Trenton, NJ |
| 154 | Grove-Madsen Industries | Reno, NV |
| 176 | Harry Cooper Supply | Springfield, MO |
| 185 | Hartford Electric Supply Co. Inc. | Rocky Hill, CT |
| 8 | HD Supply | Atlanta |
| 67 | Hein Electric Supply | Brookfield, WI |
| 63 | Hill Country Electric Supply | Austin, TX |
| 71 | Horizon Solutions LLC | Rochester, NY |
| 26 | Houston Wire & Cable | Houston |
| 175 | Hunt Electric Supply | Burlington, NC |
| 116 | Hunzicker Brothers Inc. | Oklahoma City, OK |
| 151 | I.G. Federal Electrical Supply Corp. | Long Island City, NY |
| 179 | Idlewood Electric Supply Inc. | Highland Park, IL |
| 157 | Independent Electric Supply | Somerville, MA |
| 17 | Independent Electric Supply Inc. | San Carlos, CA |
| 52 | Industrial Electric Wire & Cable | New Berlin, WI |
| 131 | Inline Electric Supply Co. | Huntsville, AL |
| 128 | International Electrical Sales Corp. (IESCO) | Miami |
| 1 | International Electrical Supply Corp. (IESC/Rexel/Gexpro) | Dallas |
| 191 | Interstate Electrical Supply Inc. | Columbus, GA |
| 41 | J. H. Larson Electrical Co. | Plymouth, MN |
| 124 | JCH Wire & Cable Inc. | N. Las Vegas, NV |
| 141 | K/E Electric Supply Corp. | Mount Clemens, MI |
| 189 | Kansas City Electrical Supply Co. | Lenexa, KS |
| 24 | Kendall Electric Inc. | Portage, MI |
| 190 | Key Electrical Supply (of IES) | Houston |
| 25 | Kirby Risk Electrical Supply | Lafayette, IN |
| 108 | KJ Electric Corp. | Syracuse, NY |
| 177 | Kovalsky-Carr Electric Supply Co. Inc. | Rochester, NY |
| 47 | Kriz-Davis Co. | Grand Island, NE |
| 187 | Lasalle Electric | Livonia, MI |
| 125 | Leff Electric | Brooklyn Heights, OH |
| 102 | Loeb Electric Co. | Columbus, OH |
| 149 | Lowe Electric Supply Co. | Macon, GA |
| 113 | Madison Electric Co. | Warren, MI |
| 95 | Main Electric Supply Co. | Los Angeles |
| 160 | Maltby Electric Supply Co. Inc. | South San Francisco, CA |
| 153 | Mars Electric Co. | Willoughby, OH |
| 11 | Mayer Electric Supply Co. Inc. | Birmingham, AL |
| 16 | McNaughton-McKay Electric Co. | Madison Heights, MI |
| 170 | Medler Electric Co. | Alma, MI |
| 172 | Mid-Coast Electric Supply Inc. | Victoria, TX |
| 136 | Mid-Island Electrical Supply | Commack, NY |
| 196 | Midtown Electric Supply Corp. | New York |
| 182 | Mid-West Wholesale Lighting | Los Angeles |
| 79 | Minarik Corp. (acquired in 2010) | Glendale, CA |
| 103 | Munro Distributing Co. Inc. | Fall River, MA |
| 54 | NEDCO Supply. | Las Vegas |
| 159 | Nelson Electric Supply Co. Inc. | Racine, WI |
| 99 | NESCO/Needham Electric Supply | Canton, MA |
| 23 | North Coast Electric Co. | Seattle |
| 109 | Nu-Lite Electrical Wholesalers Inc. | Harahan, LA |
| 43 | Omni Cable Corp. | West Chester, PA |
| 28 | OneSource Distributors | Oceanside, CA |
| 173 | Parrish-Hare Electrical Supply | Dallas |
| 142 | Peninsular Electric Distributors | West Palm Beach, FL |
| 12 | Platt Electrical Supply Inc. | Beaverton, OR |
| 51 | Power Line Supply | Reed City, MI |
| 40 | Priority Wire & Cable Inc. | North Little Rock, AR |
| 87 | Professional Electric Products Co. (PEPCO) | Eastlake, OH |
| 56 | QED Inc. | Las Vegas |
| 183 | Raymond de Steiger Inc. | Sterling Hts., MI |
| 74 | Regency Lighting | Van Nuys, CA |
| 58 | Revere Electric Supply Co. | Chicago |
| 18 | Reynolds Co. | Fort Worth, TX |
| 114 | Richards Electric Supply Co. Inc. | Cincinnati |
| 181 | Robinson Electric Supply Co. | Meridian, MS |
| 68 | Rockingham Electrical Supply Co. Inc. | Newington, NH |
| 36 | Rumsey Electric Co. | Conshohocken, PA |
| 59 | Rural Electric Supply Cooperative (RESCO) | Middleton, WI |
| 93 | Schaedler Yesco Distribution Inc. | Harrisburg, PA |
| 98 | Schwing Electrical Supply Corp. | Farmingdale, NY |
| 82 | Seattle Lighting Fixture (Dolan Northwest llc) | Seattle |
| 83 | Shealy Electrical Wholesalers Inc. | West Columbia, SC |
| 38 | Shepherd Electric Supply | Baltimore |
| 2 | Sonepar USA | Philadelphia |
| 133 | South Dade Electrical Supply | Miami |
| 60 | Springfield Electric Supply | Springfield, IL |
| 55 | Standard Electric Co. | Saginaw, MI |
| 123 | Standard Electric Supply Co. | Milwaukee |
| 65 | Stanion Wholesale Electric Co. Inc. | Pratt, KS |
| 15 | State Electric Supply Co. | Huntington, WV |
| 34 | Steiner Electric Co. | Elk Grove, IL |
| 115 | Steven Engineering Inc. | S. San Francisco, CA |
| 106 | Stokes Electric Co. | Knoxville, TN |
| 50 | Stoneway Electric Supply | Spokane, WA |
| 22 | Summit Electric Supply | Albuquerque, NM |
| 111 | Sunrise Electric Supply | Addison, IL |
| 156 | Swift Electrical Supply Co. Inc. | Teterboro, NJ |
| 152 | Tacoma Electric Supply | Tacoma, WA |
| 72 | TEC Utility Supply & Service | Georgetown, TX |
| 32 | Teche Electric Supply LLC | Lafayette, LA |
| 66 | The Hite Co. | Altoona, PA |
| 117 | Treadway Electric Company Inc. | Little Rock, AR |
| 174 | Tri State Supply Co Inc. | Washington, PA |
| 96 | Tri State Utility Products Inc. | Marietta, GA |
| 20 | Turtle & Hughes Inc. | Linden, NJ |
| 46 | United Electric Supply | Wilmington, DE |
| 73 | United Utility Supply Cooperative Corp. | Louisville, KY |
| 164 | Upchurch Electrical Supply Co. | Fayetteville, AR |
| 39 | Van Meter Industrial Inc. | Cedar Rapids, IA |
| 89 | Villa Lighting Supply Inc. | St. Louis |
| 118 | Voss Lighting | Lincoln, NE |
| 7 | W.W. Grainger Inc. | Lake Forest, IL |
| 80 | Wabash Electric Supply Inc. | Wabash, IN |
| 29 | Walters Wholesale Electric | Signal Hill, CA |
| 127 | Warshauer Electric Supply Co. | Tinton Falls, NJ |
| 61 | Werner Electric Supply | Cottage Grove, MN |
| 45 | Werner Electric Supply Co. | Neenah, WI |
| 3 | WESCO Distribution Inc. | Pittsburgh |
| 186 | West Virginia Electric Supply Co. | Huntington, WV |
| 69 | Western Extralite | Kansas City, MO |
| 94 | Western United Electric Supply | Brighton, CO |
| 200 | West-Lite Supply Co. Inc. | Cerritos, CA |
| 27 | Wholesale Electric Supply Co. Inc. | Texarkana, TX |
| 19 | Wholesale Electric Supply Co. of Houston Inc. | Houston |
| 197 | Wholesale Supply Group Inc. | Cleveland, TN |
| 168 | Wildcat Electric Supply | Houston |
| 165 | Wille Electric Supply Co. | Modesto, CA |
| 110 | Williams Supply | Roanoke, VA |
| 112 | Windy City Wire | Bolingbrook, IL |
| 48 | WinWholesale Inc. | Dayton, OH |
| 119 | Wiseway Inc. | Florence, KY |
| 147 | Wolff Bros Supply Inc. | Medina, OH |
| 135 | Womack Electric Supply | Danville, VA |
| 91 | Yale Electric Supply Co. | Lebanon, PA |