When contractors and manufacturers need parts, it's WESCO to the rescue. The company distributes electrical products (fuses, terminals, connectors, enclosures, circuit breakers, transformers, switchboards), industrial supplies (tools, abrasives, filters, safety equipment), lighting (lamps, fixtures, ballasts), wire and conduit materials, automation equipment (motors, drives, logic controllers), and data communication gear (patch panels, terminals, connectors). WESCO offers more than a million products from some 25,000 suppliers, with about 80,000 customers worldwide. It operates through a dozen subsidiaries. The company generates nearly all of its sales in North America, predominantly the US.