Celestica — Supply Chain & Business Relationships

Every relationship below is sourced to a verbatim quote from a public company filing that names the counterparty, with a one-click link to the original document.

Click a company to open its map · drag to explore · hover a line to read the source quote. Green = supplies · orange dashed = competes · blue = partners · purple = ownership · grey dashed = suspended · how to read this data.

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10 customers12 competitors3 source filings

Where it sits in the AI-server chain

The stages where a filing quote places this company on the AI-server chain.

EMS / ODM

Customers (companies it supplies)

Supplies to → Amazon

Filed 2026-02-27 · 175 days ago

“Our CCS segment customers include Amazon Fulfillment Services, Inc., Meta Platforms, Inc., Google Inc., Ciena Corporation, Dell Technologies, Hewlett-Packard Enterprise, and IBM Corporation, Inc.”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Supplies to → Meta

Filed 2026-02-27 · 175 days ago

“Our CCS segment customers include Amazon Fulfillment Services, Inc., Meta Platforms, Inc., Google Inc., Ciena Corporation, Dell Technologies, Hewlett-Packard Enterprise, and IBM Corporation, Inc.”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Supplies to → Google/Alphabet

Filed 2026-02-27 · 175 days ago

“Our CCS segment customers include Amazon Fulfillment Services, Inc., Meta Platforms, Inc., Google Inc., Ciena Corporation, Dell Technologies, Hewlett-Packard Enterprise, and IBM Corporation, Inc.”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Supplies to → Ciena

Filed 2026-02-27 · 175 days ago

“Our CCS segment customers include Amazon Fulfillment Services, Inc., Meta Platforms, Inc., Google Inc., Ciena Corporation, Dell Technologies, Hewlett-Packard Enterprise, and IBM Corporation, Inc.”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Supplies to → Dell

Filed 2026-02-27 · 175 days ago

“Our CCS segment customers include Amazon Fulfillment Services, Inc., Meta Platforms, Inc., Google Inc., Ciena Corporation, Dell Technologies, Hewlett-Packard Enterprise, and IBM Corporation, Inc.”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Supplies to → HPE

Filed 2026-02-27 · 175 days ago

“Our CCS segment customers include Amazon Fulfillment Services, Inc., Meta Platforms, Inc., Google Inc., Ciena Corporation, Dell Technologies, Hewlett-Packard Enterprise, and IBM Corporation, Inc.”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Supplies to → IBM

Filed 2026-02-27 · 175 days ago

“Our CCS segment customers include Amazon Fulfillment Services, Inc., Meta Platforms, Inc., Google Inc., Ciena Corporation, Dell Technologies, Hewlett-Packard Enterprise, and IBM Corporation, Inc.”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Supplies to → Applied Materials

Filed 2026-02-27 · 175 days ago

“Our ATS segment customers include Applied Materials, Inc., LAM Research and Honeywell Inc.”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Supplies to → Lam Research

Filed 2026-02-27 · 175 days ago

“Our ATS segment customers include Applied Materials, Inc., LAM Research and Honeywell Inc.”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Supplies to → Honeywell

Filed 2026-02-27 · 175 days ago

“Our ATS segment customers include Applied Materials, Inc., LAM Research and Honeywell Inc.”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Competitors

Competes with ↔ Fabrinet

Filed 2026-08-18 · 3 days ago

“Competitors in the market for optical manufacturing services include Benchmark Electronics, Inc., Celestica Inc., InnoLight Technology (Suzhou) Ltd., Jabil Inc., Sanmina Corporation, Venture Corporation Limited and Eoptolink Technology Inc., Ltd.”
— FN 10-K, filed 2026-08-18 EDGAR · View source filing ↗

Competes with ↔ Sanmina

Last confirmed 2026-02-27 · 175 days ago · corroborated by 2 filings

“Our competitors in the EMS industry include Benchmark Electronics, Inc., Flex Ltd., Hon Hai Precision Industry Co., Ltd., Jabil Inc., Plexus Corp., and Sanmina Corporation”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Competes with ↔ Benchmark Electronics

Filed 2026-02-27 · 175 days ago

“Our competitors in the EMS industry include Benchmark Electronics, Inc., Flex Ltd., Hon Hai Precision Industry Co., Ltd., Jabil Inc., Plexus Corp., and Sanmina Corporation”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Competes with ↔ Flex

Filed 2026-02-27 · 175 days ago

“Our competitors in the EMS industry include Benchmark Electronics, Inc., Flex Ltd., Hon Hai Precision Industry Co., Ltd., Jabil Inc., Plexus Corp., and Sanmina Corporation”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Competes with ↔ Foxconn

Filed 2026-02-27 · 175 days ago

“Our competitors in the EMS industry include Benchmark Electronics, Inc., Flex Ltd., Hon Hai Precision Industry Co., Ltd., Jabil Inc., Plexus Corp., and Sanmina Corporation”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Competes with ↔ Jabil

Filed 2026-02-27 · 175 days ago

“Our competitors in the EMS industry include Benchmark Electronics, Inc., Flex Ltd., Hon Hai Precision Industry Co., Ltd., Jabil Inc., Plexus Corp., and Sanmina Corporation”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Competes with ↔ Plexus

Filed 2026-02-27 · 175 days ago

“Our competitors in the EMS industry include Benchmark Electronics, Inc., Flex Ltd., Hon Hai Precision Industry Co., Ltd., Jabil Inc., Plexus Corp., and Sanmina Corporation”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Competes with ↔ Quanta Computer

Filed 2026-02-27 · 175 days ago

“Our ODM competitors provide product design capabilities and manufacturing services and include Quanta Computer Inc., Wiwynn Corporation, and Accton Technology Corp.”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Competes with ↔ Wiwynn

Filed 2026-02-27 · 175 days ago

“Our ODM competitors provide product design capabilities and manufacturing services and include Quanta Computer Inc., Wiwynn Corporation, and Accton Technology Corp.”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Competes with ↔ Accton Technology

Filed 2026-02-27 · 175 days ago

“Our ODM competitors provide product design capabilities and manufacturing services and include Quanta Computer Inc., Wiwynn Corporation, and Accton Technology Corp.”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Competes with ↔ Arista Networks

Filed 2026-02-27 · 175 days ago

“we also face competition from OEMs (including Arista Networks, Inc., Cisco Systems, Inc. and others)”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Competes with ↔ Cisco

Filed 2026-02-27 · 175 days ago

“we also face competition from OEMs (including Arista Networks, Inc., Cisco Systems, Inc. and others)”
— CLS 10-K, filed 2026-02-27 EDGAR · View source filing ↗

Filed activity

Filings by Celestica itself, from our archive: US SEC earnings filings (Form 8-K Item 2.02 and Form 6-K results reports) since 2025-07-22, plus Taiwan Stock Exchange material announcements where covered. Not a complete filing history; subjects appear verbatim in their original language.

2026-07-27Earnings releaseCELESTICA ANNOUNCES SECOND QUARTER 2026 FINANCIAL RESULTS

Q2 2026 revenue and adjusted EPS* above the high end of our guidance ranges; Raising 2026 annual outlook and expecting growth to accelerate in 2027 TORONTO, Canada - Celestica Inc. 1 (NYSE: CLS) (TSX: CLS), a global leader in data center infrastructure and advanced technology solutions, today announced its financial results for the second quarter ended June 30, 2026 (Q2 2026).
Show more from the filing
Q2 2026 Highlights • Revenue: $4.70 billion, increased 62% compared to $2.89 billion for the second quarter of 2025 (Q2 2025). • GAAP earnings from operations as a % of revenue: 9.8%, compared to 9.4% for Q2 2025. • Adjusted operating margin (non-GAAP)*: 8.2%, compared to 7.4% for Q2 2025. • GAAP earnings per share 2 (EPS): $3.17, compared to $1.82 for Q2 2025. • Adjusted EPS 2 (non-GAAP)*: $2.54, compared to $1.39 for Q2 2025. “Celestica delivered very strong performance in the second quarter, achieving revenue of $4.70 billion and adjusted EPS (non-GAAP)* of $2.54, each exceeding the high end of our guidance ranges. Our adjusted operating margin (non-GAAP)* of 8.2% represents another new high for the company, demonstrating the strength of our execution,” said Rob Mionis, CEO.

— Form 8-K · Items 2.02, 9.01 · US SEC EDGAR · View source filing ↗