WESCO International, Inc. engages in the distribution of electrical, industrial, and communications maintenance, repair, and operating (MRO) products; and original equipment manufacturers products and construction materials. It also provides supply chain management and logistics services. The company offers general and industrial supplies, such as wiring devices, fuses, terminals, connectors, boxes, enclosures, fittings, lugs, terminations, tapes, splicing and marking equipment, tools and testers, safety and security, personal protection, abrasives, cutting tools, consumables, fasteners, janitorial, and other MRO supplies. It also provides wires, cables, raceway, and metallic and non-metallic conduits; and communications products, such as structured cabling systems, broadband products, low voltage specialty systems, specialty wire and cable products, equipment racks and cabinets, access controls, alarms, cameras, and paging and voice solutions. In addition, the company offers power distribution equipment, such as circuit breakers, transformers, switchboards, panel boards, metering products, and busway products; lighting and controls, including lamps, fixtures, ballasts, and lighting control products; and motor control devices, drives, surge and power protection, relays, timers, pushbuttons, operator interfaces, switches, sensors, and interconnects. Further, it provides value added services in the areas of construction, e-business, energy, engineering services, green and sustainability, production support, safety and security, supply chain optimization, training, and working capital. The company serves industrial and commercial businesses, contractors, governmental agencies, institutions, telecommunications providers, and utilities. It operates in North America and internationally. WESCO International, Inc. was founded in 1922 and is headquartered in Pittsburgh, Pennsylvania.