WESCO International, Inc. is a provider of business-to-business distribution, logistics services and supply chain solutions. Its segments include Electrical & Electronic Solutions (EES), Communications & Security Solutions (CSS) and Utility & Broadband Solutions (UBS). The ESS segment supplies a range of products and solutions primarily to the construction, industrial and original equipment manufacturer markets. Its product portfolio includes a range of electrical equipment and supplies, automation and connected devices (the Internet of Things), security, lighting, wire and cable, safety, and maintenance, repair and operating products. The CSS segment is engaged in the network infrastructure and security markets. The UBS segment provides products and services to investor-owned utilities, public power companies, such as municipalities, as well as global service providers, wireless providers, broadband operators and others. It also provides data center and building intelligence software.