Celestica Inc. is a company that specializes in the development, manufacturing, and provision of hardware platforms and supply chain solutions.

The company operates through two main business segments: Advanced Technology Solutions (ATS) and Connectivity & Cloud Solutions (CCS). The ATS segment includes the Aerospace & Defense, Industrial, HealthTech, and Capital Equipment business units, while the CCS segment focuses on server and storage solutions for the Communication and Enterprise end markets.

Celestica offers a wide range of product manufacturing and supply chain services. These services include design and development, new product introduction, technical services, component sourcing, electronics manufacturing and assembly, as well as testing and systems integration.