United States securities and exchange commission logo August 21, 2023 David S. Schulz Chief Financial Officer WESCO International, Inc. 225 West Station Square Drive Suite 700 Pittsburgh, PA 15219 Re: WESCO International, Inc. Form 10-K for Fiscal Year Ended December 31, 2022 Filed February 21, 2023 File No. 001-14989 Dear David S. Schulz: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notwithstanding any review, comments, action or absence of action by the staff. Sincerely, Division of Corporation Finance Office of Trade & Services