Exhibit

We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No's. 333-188979, 333-188978, 333-81845, 333-172531, 333-91187, 333-81841, 333-81847, 333-81857 and 333-218541) of WESCO International, Inc. of our report dated February 27, 2019 relating to the financial statements, financial statement schedule and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.