Celestica, Inc. engages in the provision of supply chain solutions globally to original equipment manufacturers and service providers. It operates through the following segments: Advanced Technology Solutions (ATS) and Connectivity and Cloud Solutions (CCS). The ATS segment comprises of aerospace and defense, industrial, smart energy, health tech, and capital equipment businesses. The CCS segment consists of enterprise communications, telecommunications, servers, and storage businesses. The company was founded in 1994 and is headquartered in Toronto, Canada.