Celestica, Inc. engages in the provision of supply chain solutions globally to original equipment manufacturers and service providers. It operates through the Advanced Technology Solutions (ATS) and Connectivity and Cloud Solutions (CCS) business segments. 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. Celestica was founded in 1994 and is headquartered in Toronto, Canada.