| Briggs-Weaver (industrial distributor)** | Coppell, Texas | CamBar/Hagemeyer | 
| Dauphin Associates Inc.* | Harrisburg, Pa. | CED Inc. | 
| Seamans Supply Co.*** | Manchester, N.H. | CLS Inc. | 
| Questron Technology Inc.*** | Dallas, Texas | GE Supply | 
| Commonwealth Controls Corp.** | Richmond, Va. | Graybar Electric Co. | 
| Cameron & Barkley Co.* | Charleston, S.C. | Hagemeyer, N.V. | 
| RERO Distribution Companies Inc.* | Rochester, N.Y. | Merged into Horizon Solutions Inc. | 
| Holmes Distributors Inc.* | Portland, Maine | Merged into Horizon Solutions Inc. | 
| Oakes Electrical Supply Co.* | Holyoke, Mass. | Merged into Horizon Solutions Inc. | 
| Futronix Systems* | Houston, Texas | Houston Wire and Cable | 
| Gaines Electric*** | Signal Hill, Calif. | Independent Electric Supply | 
| Cummins Utility Supply (certain assets)** | Fort Worth, Texas | Irby Utility Supply LLC | 
| Fitzpatrick Electric Supply Co.** | Muskegon, Mich. | Kendall Electric | 
| Grand Eagle Motor Repair*** | Utica, N.Y. | K.J. Electric Corp. | 
| Fairmont Supply Co. (certain branches)* | Canonsburg, Pa. | McBar joint venture | 
| McJunkin Corp. (electrical operations)* | Charleston, W. Va. | McBar joint venture | 
| Kiemle Hankins Co. (supply division)*** | Toledo, Ohio | McNaughton-McKay Electric Co. | 
| Orange Coast Electric Supply Inc.** | Irvine, Calif. | One Source Distributors Inc. | 
| Argo Electric Supply Co.*** | Downey, Calif. | One Source Distributors Inc. | 
| Pacific Parts and Controls Inc. *** | Chino, Calif. | One Source Distributors Inc. | 
| Intec Automation & Supply** | Toledo, Ohio | Professional Electrical Products Co. (PEPCO) | 
| Branch Electric Supply Co.* | Upper Marlboro, Md. | Rexel Inc. | 
| Commerce Electric Supply** | Linthicum, Md. | Rexel Inc. | 
| Electric Supply of Asheville** | Asheville, N.C. | Rexel Inc. | 
| Active Electric Supply Inc.** | Orlando, Fla. | Rexel Inc. | 
| Quality Supply Co.** | Poteau, Okla. | Rexel Inc. | 
| Maverick Electric Supply Inc.* | Dallas | Rexel Inc. | 
| Westburne Inc.* | St. Laurent, Quebec | Rexel Inc. | 
| Ryall Electric Supply** | Denver | Rexel Inc. | 
| Del Electric Supply** | Gaithersburg, Md. | Sonepar USA | 
| Richards Electric Supply** | Miami, Fla. | Sonepar USA | 
| Viking Electric Supply Inc.* | St. Paul, Minn. | Sonepar USA | 
| Capital Lighting & Supply Inc.* | Alexandria, Va. | Sonepar USA | 
| Brook Electrical Distribution Co.* | Lincolnshire, Ill. | Sonepar USA | 
| Elite Electric & Utility Supply** | Charlottesville, Va. | Sonepar USA (Capital Lighting) | 
| Dixie Electric Supply Corp.* | Richmond, Va. | Sonepar USA (Capital Lighting) | 
| Davis Electric Supply Inc.* | Clearwater, Fla. | Sonepar USA (World Electric Supply) | 
| B&B Electrical Supply*** | Putnam, Conn. | Standard Electric Supply | 
| Tri-Electric Supply (DXP)** | San Antonio, Texas | Summit Electric Supply, Inc. | 
| Franklin & Smith Inc.*** | West Paterson, N.J. | Turtle & Hughes Inc. | 
| Northland Electric Supply** | Minneapolis, Minn. | Werner/VanMeter | 
| Control Corporation of America* | Richmond, Va. | WESCO International Inc. | 
| Herning Enterprises Inc.** | Hayward, Calif. | WESCO International Inc. | 
| United Electric Supply Co.* | St. Louis | Westburne Supply Inc. U.S. | 
| ANESCO* | Kingston, Pa. | Westburne Supply Inc. U.S. | 
| SPT Electric Group* | Belle Mead, N.J. | Westburne Supply Inc. U.S. | 
| *Acquired in 2000 **Acquired in 2001
 ***Acquired in 2002
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