Celestica Inc. is a provider of supply chain solutions. The Company operates in electronics manufacturing services business segment. The Company offers a range of services to its customers, including design and development, engineering services, supply chain management, new product introduction, component sourcing, electronics manufacturing, assembly and test, complex mechanical assembly, systems integration, precision machining, order fulfillment, logistics and after-market repair and return services. Its products and services serve a range of applications, including servers; storage systems; optical equipment; aerospace and defense electronics; healthcare products and applications; semiconductor equipment, and a range of industrial and alternative energy products, including solar panels and inverters. It designs, manufactures and tests solar panels for the residential, commercial and utility scale markets. It uses technologies in the assembly and testing of its products.