12Suppliers
30Customers
1Debt Items
20Related Chains

Source-Backed Evidence Depth

United Microelectronics Corporation (UMC) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

45Total relationships
2Distinct source URLs
11High confidence
0.723Average confidence
2026-09-13Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

United Microelectronics Corporation Suppliers

TickerNameConfidenceEvidence
AMD Advanced Micro Devices, Inc. 85% Reciprocal relationship from AMD graph: factured at process nodes larger than 7 nm. We also utilize TSMC, United Microelectronics Corporation (UMC) and Samsung Electronics Co., Ltd. for our integrate…
SITM SiTime Corporation 85% Reciprocal relationship from SITM graph: Reciprocal relationship from UMC graph: Reciprocal relationship from SITM graph: Reciprocal relationship from UMC graph: Reciprocal relationship from SITM gra…
GCTS GCT Semiconductor Holding, Inc. 72% Reciprocal relationship from GCTS graph: Reciprocal relationship from UMC graph: Reciprocal relationship from GCTS graph: Reciprocal relationship from UMC graph: Reciprocal relationship from GCTS gra…
GFS GLOBALFOUNDRIES Inc. 72% Reciprocal relationship from GFS graph: Item 3. Key Information — D. Risk Factors – Risk Factors – Risks Related to our Business and Industry - Strong government support in China for their domestic c…
HIMX Himax Technologies, Inc. 72% Reciprocal relationship from HIMX graph: r manufacturers that provide high-voltage CMOS process technology required for manufacturing display drivers. We engage assembly and testing houses that speci…
IFNNF Infineon Technologies AG 72% Reciprocal relationship from IFNNF graph: Reciprocal relationship from UMC graph: Reciprocal relationship from IFNNF graph: Reciprocal relationship from UMC graph: Reciprocal relationship from IFNNF …
INTC Intel Corporation 72% Reciprocal relationship from INTC graph: y competitive and capital-intensive third-party foundry business. As we pursue our strategy to establish Intel Foundry as a major provider of foundry capacity…
LSCC Lattice Semiconductor Corporation 72% Reciprocal relationship from LSCC graph: Reciprocal relationship from UMC graph: Reciprocal relationship from LSCC graph: Reciprocal relationship from UMC graph: Reciprocal relationship from LSCC gra…
MU Micron Technology, Inc. 72% Reciprocal relationship from MU graph: Reciprocal relationship from UMC graph: cial Bank, KGI Bank, First Commercial Bank, Shanghai Commercial Bank, CTBC Bank and Secured Syndicated Loans from China …
MU Micron Technology, Inc. 72% cial Bank, KGI Bank, First Commercial Bank, Shanghai Commercial Bank, CTBC Bank and Secured Syndicated Loans from China Development Bank and 6 others Right-of-use assets Secured Syndicated Loans from…
SKYT SkyWater Technology, Inc. 72% Reciprocal relationship from SKYT graph: Reciprocal relationship from UMC graph: Reciprocal relationship from SKYT graph: Reciprocal relationship from UMC graph: Reciprocal relationship from SKYT gra…
TSEM Tower Semiconductor Ltd. 72% Reciprocal relationship from TSEM graph: price pressure, as well as periods of strong demand, full capacity utilization, and wafer shortages, which command higher selling prices. We price our product…

United Microelectronics Corporation Customers

TickerNameConfidenceEvidence
HIMX Himax Technologies, Inc. 92% Reciprocal relationship from HIMX graph: Reciprocal relationship from UMC graph: Reciprocal relationship from HIMX graph: Reciprocal relationship from UMC graph: Reciprocal relationship from HIMX gra…
TOP-TEN-CUSTOMERS TOP-TEN-CUSTOMERS 92% Our top ten customers accounted for 62.0%, 55.6% and 57.0% of our operating revenues in 2023, 2024 and 2025, respectively.
AMD Advanced Micro Devices, Inc. 90% Reciprocal relationship from AMD graph: Reciprocal relationship from UMC graph: Reciprocal relationship from AMD graph: Reciprocal relationship from UMC graph: Reciprocal relationship from AMD graph:…
GCTS GCT Semiconductor Holding, Inc. 90% Reciprocal relationship from GCTS graph: Our main foundry vendors are Samsung Foundry, and United Microelectronics Corporation
MXL MaxLinear, Inc. 90% Reciprocal relationship from MXL graph: Reciprocal relationship from UMC graph: Reciprocal relationship from MXL graph: Reciprocal relationship from UMC graph: Reciprocal relationship from MXL graph:…
SHIN-ETSU-HANDOTAI-CORPORATION SHIN-ETSU-HANDOTAI-CORPORATION 85% o obtain sufficient quantities of acceptable quality raw materials. For example, we purchased a majority of our silicon wafers from Shin-Etsu Handotai Corporation, or Shin-Etsu, GlobalWafers, Sumco G…
SILICONWARE-PRECISION-INDUSTRIES-CO-LTD SILICONWARE-PRECISION-INDUSTRIES-CO-LTD 85% . We offer our customers turnkey solutions by providing the option to purchase finished semiconductor products that have been assembled and tested. We outsource assembly and test services to leading …
IFNNF Infineon Technologies AG 80% Reciprocal relationship from IFNNF graph: Reciprocal relationship from UMC graph: Reciprocal relationship from IFNNF graph: We have established foundry relationships with United Microelectronics Corp…
IBM International Business Machines Corporation 72% Reciprocal relationship from IBM graph: Reciprocal relationship from UMC graph: Reciprocal relationship from IBM graph: Reciprocal relationship from UMC graph: Reciprocal relationship from IBM graph:…
IBM International Business Machines Corporation 72% that they can sell or transfer on the Taiwan Stock Exchange on a daily basis is limited by R.O.C. law. Further, they may sell or transfer our common shares on the Taiwan Stock Exchange only after rep…
LSCC Lattice Semiconductor Corporation 72% Reciprocal relationship from LSCC graph: on and could adversely affect our business, financial condition, and results of operations. Factors Related to Manufacturing our Products We rely on subcontra…
MU Micron Technology, Inc. 72% cial Bank, KGI Bank, First Commercial Bank, Shanghai Commercial Bank, CTBC Bank and Secured Syndicated Loans from China Development Bank and 6 others Right-of-use assets Secured Syndicated Loans from…
MU Micron Technology, Inc. 72% Reciprocal relationship from MU graph: Reciprocal relationship from UMC graph: cial Bank, KGI Bank, First Commercial Bank, Shanghai Commercial Bank, CTBC Bank and Secured Syndicated Loans from China …
SITM SiTime Corporation 72% Reciprocal relationship from SITM graph: r products. In addition, we believe that outsourcing many of our manufacturing and assembly activities provides us with the flexibility needed to respond to n…
SKYT SkyWater Technology, Inc. 72% Reciprocal relationship from SKYT graph: . Managing the technology foundry’s signature high-mix manufacturing operation requires special competencies with respect to the manner by which the volume pr…
TSEM Tower Semiconductor Ltd. 72% Reciprocal relationship from TSEM graph: power management products, and audio amplifiers. These technologies generally incorporate higher voltage CMOS devices than advanced analog CMOS processes, suc…
AI-CAPITAL-LLC AI-CAPITAL-LLC 62% iverse locations, USCXM provides global customers with high-quality fabrication services and varied manufacturing options. 21 Table of Contents On January 25, 2024, we entered into a collaboration wi…
DENSO-CORPORATION DENSO-CORPORATION 62% ursuing strategic collaborations to expand our U.S. production footprint and enhance supply chain resilience. In January 2024, we entered into a collaboration with Intel Corporation to jointly develo…
FARADAY-TECHNOLOGY-CORP FARADAY-TECHNOLOGY-CORP 62% iverse locations, USCXM provides global customers with high-quality fabrication services and varied manufacturing options. 21 Table of Contents On January 25, 2024, we entered into a collaboration wi…
FORMOSA-SUMCO-TECHNOLOGY-CORPORATION FORMOSA-SUMCO-TECHNOLOGY-CORPORATION 62% r Shin-Etsu, GlobalWafers, Sumco Group (including Sumco Corporation and Formosa Sumco Technology Corporation) and Soitec. Although we source raw materials from multiple suppliers, a small number of t…
NEW-TECHNOLOGIES NEW-TECHNOLOGIES 62% d 300-millimeter manufacturing, we offer comprehensive solutions that help customers deliver successful results in a timely fashion. Build a Customer-Focused Partnership Business Model . We have focu…
PASSIVE-FOREIGN-INVESTMENT-COMPANY PASSIVE-FOREIGN-INVESTMENT-COMPANY 62% Jun. 2022 For building the facilities of Fab 12A P5/6 WH in the Southern Taiwan Science Park, UMC signed construction contracts with the vendor listed in the second column. The total contracted amoun…
POLAR-SEMICONDUCTOR-LLC POLAR-SEMICONDUCTOR-LLC 62% ursuing strategic collaborations to expand our U.S. production footprint and enhance supply chain resilience. In January 2024, we entered into a collaboration with Intel Corporation to jointly develo…
R-O-C-CONTROLLED-FOREIGN-COMPANY R-O-C-CONTROLLED-FOREIGN-COMPANY 62% ns and losses, which principally consist of: • gains or losses on valuation of financial assets and liabilities, which are primarily derived from disposal of and changes in the values of financial as…
SHANDONG-CO-LTD SHANDONG-CO-LTD 62% or Vice President. Mr. Hung concurrently serves as the Chairman and Strategic Officer of Faraday Technology Corporation and Silicon Integrated Systems Corp., Chairman of Fortune Venture Capital Corp.…
SHIN-ETSU-GLOBALWAFERS-SUMCO-GROUP SHIN-ETSU-GLOBALWAFERS-SUMCO-GROUP 62% r raw material requirements on a monthly basis, with indicative pricing generally set on a quarterly basis. The actual purchase price is generally determined based on the prevailing market conditions…
SUZHOU-CO-LTD SUZHOU-CO-LTD 62% that they can sell or transfer on the Taiwan Stock Exchange on a daily basis is limited by R.O.C. law. Further, they may sell or transfer our common shares on the Taiwan Stock Exchange only after rep…
TAIWAN-POWER-COMPANY TAIWAN-POWER-COMPANY 62% s with our wafer suppliers. Based on such long-term relationships, we believe that these major suppliers will use their best efforts to accommodate our demand. We use a large amount of water in our m…
UMC-CAPITAL-CORP UMC-CAPITAL-CORP 62% rporate strategy and planning, sales and marketing, and customer engineering. He was named Chief Executive Officer in 2026. Prior to joining the Company, Mr. Wang spent 18 years at Trident Microsyste…
UMC-GROUP UMC-GROUP 62% t, responsible for global fab operations, and serves as Chief Information Security Officer. Mr. Wu joined the Company in 1990 and has over 35 years of experience in semiconductor development and manu…

United Microelectronics Corporation Debt Obligations

InstrumentDescriptionConfidenceEvidence
UMC-DEBT Debt stack $2.4B 90% Market cache reports total debt of $2.4B.

United Microelectronics Corporation Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for United Microelectronics Corporation.

United Microelectronics Corporation Ownership

No ownership data on recordNo major institutional ownership relationships found in our database for United Microelectronics Corporation.

United Microelectronics Corporation Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
HUBC HUB Cyber Security Ltd. 100.00 2
IMOS ChipMOS TECHNOLOGIES INC. 100.00 2
CAJFF Canon Inc. 100.00 2
FTNT Fortinet, Inc. 100.00 2
CFLT Confluent, Inc. 100.00 2
CX CEMEX, S.A.B. de C.V. 100.00 2
CSTE Caesarstone Ltd. 100.00 2
ARW Arrow Electronics, Inc. 100.00 2
CLBT Cellebrite DI Ltd. 100.00 2
CAJPY Canon Inc. 100.00 2
DIOD Diodes Incorporated 100.00 2
CHTR Charter Communications, Inc. 100.00 2
CXMSF CEMEX, S.A.B. de C.V. 100.00 2
SWKS Skyworks Solutions, Inc. 100.00 2
SYNA Synaptics Incorporated 100.00 2
ADI Analog Devices, Inc. 100.00 2
GFS GLOBALFOUNDRIES Inc. 100.00 1 ['supplier']
TSMWF Taiwan Semiconductor Manufacturing Company Limited 100.00 2
BHPLF BHP Group Limited 100.00 2
TXN Texas Instruments Incorporated 100.00 2
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UMC
Unlock UMC Supply Chain Data
Verified relationships include:
AMDAdvanced Micro Devices, Inc.Supplier85%
SITMSiTime CorporationSupplier85%
HIMXHimax Technologies, Inc.Customer92%
TOP-TEN-CUSTOMERSTOP-TEN-CUSTOMERSCustomer92%
+39 more relationships locked
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