Attached files

file filename
10-K - FORM 10-K - WESCO INTERNATIONAL INCl38968e10vk.htm
EX-21.1 - EX-21.1 - WESCO INTERNATIONAL INCl38968exv21w1.htm
EX-31.2 - EX-31.2 - WESCO INTERNATIONAL INCl38968exv31w2.htm
EX-32.2 - EX-32.2 - WESCO INTERNATIONAL INCl38968exv32w2.htm
EX-23.1 - EX-23.1 - WESCO INTERNATIONAL INCl38968exv23w1.htm
EX-10.28 - EX-10.28 - WESCO INTERNATIONAL INCl38968exv10w28.htm
EX-10.23 - EX-10.23 - WESCO INTERNATIONAL INCl38968exv10w23.htm
EX-31.1 - EX-31.1 - WESCO INTERNATIONAL INCl38968exv31w1.htm
         
Exhibit 32.1
CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
In connection with the Annual Report of WESCO International, Inc. (the “Company”) on Form 10-K for the period ended December 31, 2009 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), the undersigned, in the capacity and on the date indicated below, hereby certifies pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to his knowledge:
1.   The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
 
2.   The information contained in the Report fairly presents, in all material respects, the financial condition and results of operation of the Company.
         
     
Date:  February 26, 2010  By:   /s/ John J. Engel    
    John J. Engel   
    President and Chief Executive Officer