WESCO International, Inc. provides business-to-business distribution, logistics services, and supply chain solutions in the United States, Canada, and internationally. It operates through three segments: Electrical & Electronic Solutions (EES), Communications & Security Solutions (CSS), and Utility and Broadband Solutions (UBS). The EES segment supplies products and supply chain solutions, including electrical equipment and supplies, automation and connected devices, security, lighting, wire and cable, and safety, as well as maintenance, repair, and operating (MRO) products.