Who are Ultra Clean Holdings, Inc.'s major customers?

Ultra Clean Holdings, Inc. (UCTT) key customers include: ASM-INTERNATIONAL, Applied Materials, Inc., Applied Materials, Inc., Lam Research Corporation, Lam Research Corporation and 2 more. View the full customer network at chainsifter.com/chain/UCTT.

What sector is Ultra Clean Holdings, Inc. in?

Ultra Clean Holdings, Inc. (UCTT) operates in the general sector. ChainSifter tracks its verified supply chain relationships including suppliers, customers, and strategic partners.

UCTT Supply Chain: Ultra Clean Holdings, Inc. Suppliers & Customers

0Suppliers

7Customers

2Debt Items

15Related Chains

Ultra Clean Holdings, Inc. Suppliers

No suppliers on recordUltra Clean Holdings, Inc. has not yet been matched to upstream suppliers in our database, or is still being processed.

Ultra Clean Holdings, Inc. Customers

Ticker	Name	Confidence	Evidence
ASM-INTERNATIONAL	ASM-INTERNATIONAL	90%	Three customers' gross accounts receivable balances, Lam Research Corporation, Applied Materials, Inc., and ASM International, were individually greater than 10% of gross accounts receivable as of Ma…
AMAT	Applied Materials, Inc.	72%	Reciprocal relationship from AMAT graph: Reciprocal relationship from UCTT graph: Reciprocal relationship from AMAT graph: Reciprocal relationship from UCTT graph: revenues recognized. Accruals for u…
AMAT	Applied Materials, Inc.	72%	revenues recognized. Accruals for unpaid customer rebates of $ million and $ million as of December 26, 2025 and December 27, 2024, respectively, were netted against accounts receivable. The Company'…
LRCX	Lam Research Corporation	72%	revenues recognized. Accruals for unpaid customer rebates of $ million and $ million as of December 26, 2025 and December 27, 2024, respectively, were netted against accounts receivable. The Company'…
LRCX	Lam Research Corporation	72%	Reciprocal relationship from LRCX graph: Reciprocal relationship from UCTT graph: revenues recognized. Accruals for unpaid customer rebates of $ million and $ million as of December 26, 2025 and Dece…
CINOS-CO-LTD	CINOS-CO-LTD	62%	the controlling stockholder. The Company’s consolidated entities include partially-owned entities, which are Cinos Co., Ltd (“Cinos Korea”), a South Korean company that provides outsourced cleaning a…
CINOS-XIAN-CLEAN-TECHNOLOGY-LTD	CINOS-XIAN-CLEAN-TECHNOLOGY-LTD	62%	the controlling stockholder. The Company’s consolidated entities include partially-owned entities, which are Cinos Co., Ltd (“Cinos Korea”), a South Korean company that provides outsourced cleaning a…

Ultra Clean Holdings, Inc. Debt Obligations

Instrument	Description	Confidence	Evidence
UCTT-DEBT-53084	Xbrl Convertible	90%	xbrl convertible detail from xbrl 2026-03-27.
UCTT-DEBT	Debt stack $780.4M	90%	Market cache reports total debt of $780.4M.

Ultra Clean Holdings, Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Ultra Clean Holdings, Inc..

Ultra Clean Holdings, Inc. Ownership

Holder	Name	Confidence	Evidence
UCTT-OWNER-BLACKROCK-INC	BlackRock, Inc.	90%	13F overlay lists BlackRock, Inc. as top holder; 330 tracked holders.

Ultra Clean Holdings, Inc. Extended Supply Chain Network

Ticker	Name	Chain Index	Hops	Relationship Types
PLTS	Platinum Analytics Cayman Limited	100.00	2
MU	Micron Technology, Inc.	100.00	2
WLDS	Wearable Devices Ltd.	100.00	2
LRCX	Lam Research Corporation	100.00	1	['customer']
AMAT	Applied Materials, Inc.	100.00	1	['customer']
AEIS	Advanced Energy Industries, Inc.	100.00	2
KLAC	KLA Corporation	100.00	2
HTHIY	Hitachi, Ltd.	100.00	2
NVMI	Nova Ltd.	100.00	2
ARBE	Arbe Robotics Ltd.	100.00	2
ASX	ASE Technology Holding Co., Ltd.	100.00	2
CINF	Cincinnati Financial Corporation	50.00	2
VELO	Velo3D, Inc.	50.00	2
ASML	ASML Holding N.V.	50.00	2
PDFS	PDF Solutions, Inc.	50.00	2

Ultra Clean Holdings, Inc. Supply Chain