Celestica

As of 2026-10-09, Celestica has 17 tracked suppliers and 5 tracked customers in this dataset; its largest supplier by market cap is NVIDIA. The customer list here follows a shared pattern for this segment rather than being individually confirmed for Celestica — see /methodology.

Sourced from 1 reference — Wikipedia — last verified 2026-06-14.

EMS/ODM supplier of data-center hardware and AI systems.

Ticker: NYSE: CLS
Headquarters: Toronto, CA
Founded: 1994
Employees: 42,000
Revenue: $12.4B (FY2025) · +28.5% YoY
Net income: $833M
Operating margin: 8.4%
Market position: major
Value-chain segment: Systems & ODM (AI servers), Networking & Systems
Key products: AI GPU server platforms (Cisco, AMD, hyperscaler), 400G / 800G networking switches, Storage and compute subsystems, Advanced Technology Solutions (ATS) for aerospace / defense, EMS for industrial and health-tech

About Celestica

Celestica, headquartered in Canada, operates in the Systems & ODM (AI servers) and Networking & Systems segments of the semiconductor & AI supply chain and is positioned as a market major there. Its key products include AI GPU server platforms (Cisco, AMD, hyperscaler), 400G / 800G networking switches, Storage and compute subsystems, Advanced Technology Solutions (ATS) for aerospace / defense, EMS for industrial and health-tech. wafergraph maps 17 tracked suppliers and 5 tracked customers for Celestica across the value chain. It has a supply-chain criticality score of 8/100, with 19 companies downstream of it.

Celestica Inc. is a Canadian multinational design, manufacturing, hardware platform, and supply chain electronics manufacturing services (EMS) company, which is headquartered in Toronto, Ontario. The company operates in 50 sites across 15 countries.

Role in the chain

Celestica is a market major in Distribution & Misc (Systems & ODM (AI servers)), headquartered in Canada. EMS/ODM supplier of data-center hardware and AI systems.

Diligence questions

The dataset records 17 tracked suppliers for Celestica. Which of those edges are researched (named in a filing or primary source) versus segment-inferred, and what happens if one of them stops shipping?
4 of Celestica's tracked suppliers are a monopoly or leader (including Broadcom, NVIDIA, WPG Holdings, WT Microelectronics). Which of those are actually single-source for the process step you care about?
The dataset names 5 tracked customers for Celestica. How concentrated is demand among those names, and which of them have a documented second source in this graph?
Celestica is headquartered in Canada. What jurisdiction, export-control or logistics risk sits at that HQ, versus at the fabs or plants the filings actually name?
Celestica trades as NYSE:CLS. What does the latest reported period say about capacity and backlog versus the graph position above?
Before treating any edge as a verified relationship, check the provenance labels on the company page and the method note at /methodology.

Full diligence pack for Celestica