Celestica is one of leading worldwide participants in the electronics manufacturing service industry. The company provides a range of services, including design, prototyping, assembly, testing, product assurance, worldwide distribution and aftersales service for its original equipment manufacturer customers in the computer and communication sectors. Its services are provided through three business units that include contract manufacturing of electronic system boards, custom electronic sub-assemblies, and memory products and power systems. Celestica operates a 1 million-square-foot manufacturing complex at its main office in Toronto and a design facility in Endicott, N.Y. The company has a staff of more than 2,500 full-and part-time employees. Celestica is also one of Canada's largest exporters of manufactured goods.