Sumitronics Corporation
Sumitronics Corporation (now Sumitronics Global Electronics Corporation) is a Sumitomo Corporation Group subsidiary providing end-to-end Electronics Manufacturing Services and global Supply Chain Management across 14 countries, serving primarily Japanese electronics OEMs with design, procurement, manufacturing, and after-sales support.
- Company typePrivate
- Founded1988
- HeadquartersTokyo, Japan
- Headcount1–10
- GTM typeB2B
- OfferingServices
What Sumitronics Corporation does
Sumitronics Corporation (renamed October 1, 2025 to Sumitronics Global Electronics Corporation / 住商グローバルエレクトロニクス株式会社) is a Japanese Electronics Manufacturing Service (EMS) and global Supply Chain Management (SCM) provider, wholly owned by Sumitomo Corporation Group. Founded in 1988 in Singapore as an electronic components trading company, the firm has evolved into what it characterizes as a top-tier Japanese EMS company, offering end-to-end electronics manufacturing services from design support and prototyping to mass production and after-sales parts supply, alongside international procurement office (IPO) and trading services. Its core technology stack combines proprietary JIT/VMI delivery systems, multi-site centralized production scheduling, VE/VA (value engineering/value analysis) proposal capability, and a supplier network of approximately 1,500 companies handling around 50,000 component types.
The company operates a manufacturing and sales network across approximately 14 countries spanning Japan, China (Wuxi, Shenzhen, Shanghai, Hong Kong), ASEAN (Singapore, Thailand, Philippines, Indonesia, Vietnam, Malaysia), India, the Czech Republic, the United States, and Mexico. Production facilities hold ISO9001, ISO14001, IATF16949 (automotive), and ISO13485 (medical devices) certifications. The business model is B2B enterprise sales-led, leveraging Sumitomo Corporation's global corporate network for customer acquisition and serving primarily Japanese electronics OEMs, including companies without overseas production capability that use Sumitronics as their outsourcing arm for OUT-IN/OUT-OUT operations.
Revenue is generated through three streams: EMS services (professional services covering design, substrate mounting, module assembly), Global SCM/trading (transaction-fee procurement services including bonded and free trade zone logistics, tax optimization), and after-sales service (component supply for EOL products). Pricing is determined through direct consultation based on customer specifications and volume; no public pricing is available. As a private subsidiary, financial details are not publicly disclosed, and the company holds an Antiques Business Permit (No. 302151008536) from the Tokyo Metropolitan Public Safety Commission to support second-hand goods operations tied to after-sales parts supply. Leadership: Motonari Ueki serves as President & CEO.
Sumitronics Corporation firmographics
Firmographics- Name
- Sumitronics Corporation
- Legal name
- 住商グローバルエレクトロニクス株式会社
- Website
- https://sumitronics.co.jp
- Company type
- Private
- Founded year
- 1988
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Sumitronics Corporation (now Sumitronics Global Electronics Corporation) is a Sumitomo Corporation Group subsidiary providing end-to-end Electronics Manufacturing Services and global Supply Chain Management across 14 countries, serving primarily Japanese electronics OEMs with design, procurement, manufacturing, and after-sales support.
- Ownership category
- akta.pro rank
Sumitronics Corporation industry classification
Industry- Product category
- Electronics Manufacturing Services
- NAICS
- Industrial Machinery Manufacturing (3332), Industrial Machinery Manufacturing (33324)
- SIC
- Misc Industrial & Commercial Machinery & Equipment (3590), Wholesale-Industrial Machinery & Equipment (5084)
- akta.pro primary industry
- Industrial Electronics Manufacturing Services (EMS) (IMAGAGAA)
- akta.pro secondary industry
- Outsourced Semiconductor Manufacturing Services (Back-End EMS/Turnkey) (HDAHADAJ)
Keywords
Where Sumitronics Corporation is headquartered
LocationHeadquarters
- HQ city
- Tokyo
- HQ country
- Japan
- HQ region
- Asia
Offices13 records
Markets served
Sumitronics Corporation business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Infrastructure, Technology or R&D, Marketing or Sales
Revenue model
- EMS (Electronics Manufacturing Service): Full-service electronics manufacturing including design support, substrate implementation, and module manufacturing. Covers the entire product lifecycle from prototyping in Japan to mass production overseas.
- Global SCM / Trading (Procurement Services): International procurement office services for electronic components and mechanical components with global optimal procurement, bonded/free trade zone logistics, and tax optimization solutions.
- After-sales Service: Post-production after-sales service including component supply after EOL (End of Life), covering products manufactured by the company.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
Sumitronics Corporation product offering
Product offeringCore offering
Sumitronics Corporation is an Electronics Manufacturing Service (EMS) and Supply Chain Management (SCM) provider. It delivers end-to-end electronics manufacturing services covering design support, prototype development, substrate mounting, and module assembly, complemented by global procurement (IPO) services through a network of approximately 1,500 suppliers handling about 50,000 component types across 14 countries.
Product overview
Sumitronics Corporation operates as a total service provider in the electronics field, combining two core business units: the EMS (Electronics Manufacturing Service) Business and the Global SCM (Supply Chain Management) Business. The EMS Business provides end-to-end electronics manufacturing including design support, prototype development, and mass production across 14+ global locations. The Global SCM Business offers international procurement operations (IPO), trading, and parts procurement outsourcing through a network of approximately 1,500 suppliers handling about 50,000 types of parts. Supporting services include JIT (Just in Time) delivery, VMI (Vendor Management Inventory), quality management certifications (ISO9001, ISO14001, IATF16949, ISO13485), test equipment manufacturing, and after-sales service. The company leverages Sumitomo Corporation Group's global network for comprehensive electronics manufacturing and supply chain solutions.
Differentiator
Problem solved
Functional benefit
Products and services
- EMS (Electronics Manufacturing Service) Business Full-service electronics manufacturing including design support, substrate implementation, prototype development, and module manufacturing. Covers the entire product lifecycle from prototyping in Japan to mass production overseas, targeting Japanese electronics manufacturers.
- Global SCM (Supply Chain Management) Business International procurement office (IPO) and trading services providing procurement outsourcing, global optimal parts sourcing, VE/VA proposals, bonded/free trade zone logistics, and tax-optimized supply chain solutions for Japanese and international electronics companies.
- Test Equipment and Functional Tester (FCT) Manufacturing Manufacturing of inspection equipment, function testers (FCT), and jig tools required for product manufacturing, designed to customer product specifications.
- After-Sales Service Post-production after-sales service including component supply after End of Life (EOL), covering products previously manufactured by Sumitronics.
Companies that use Sumitronics Corporation
Customer profileSegments3 records
Ideal customer profiles3 records
Sumitronics Corporation technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature4 records
Sumitronics Corporation partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Sumitomo CorporationcoreSumitomo Corporation is the parent company that established Sumitronics in 1988 in Singapore as its electronic components trading company. Sumitronics leverages Sumitomo Corporation's global network and resources, including overseas bases in various countries, to provide comprehensive EMS and SCM services. The relationship provides Sumitronics with access to Sumitomo's extensive corporate network and operational expertise.
Scale indicators5 records
Recent moves7 records
Expansion highlights6 records
Sumitronics Corporation competitors and assessment
Company assessmentBroad incumbents
- Foxconn (Hon Hai Precision Industry): World's largest EMS provider offering design, manufacturing, assembly, and after-sales services across consumer electronics, computing, and communications. Comparable end-to-end electronics manufacturing services but at vastly greater scale and broader customer base than Sumitronics.
- Jabil: Global EMS leader providing design, manufacturing, supply chain, and aftermarket services across diverse end markets including automotive, healthcare, and industrial. Overlaps with Sumitronics' end-to-end service model and multi-site global production.
- Flex Ltd: Large global EMS offering design, manufacturing, logistics, and after-market services with significant automotive, healthcare, and industrial presence. Comparable multi-country manufacturing footprint and end-to-end service scope.
- Universal Scientific Industrial (USI): ASE Group-affiliated global EMS providing design, miniaturization, and module assembly services with strong automotive, computing, and communications exposure. Comparable module-level manufacturing focus and global footprint including China and ASEAN.
- Sanmina: Global EMS with end-to-end manufacturing solutions including design, PCBA, final assembly, and after-market services. Comparable multi-region production capability and breadth of certifications for regulated end markets.
Direct peers
- SIIX Corporation: Japanese-headquartered global EMS provider with comparable service offering including design support, substrate mounting, module assembly, and global SCM. SIIX is the closest direct peer in scale, geographic footprint (Japan, China, ASEAN, Mexico), and Japanese OEM customer base.
- Scanfil: European-headquartered EMS provider with manufacturing in multiple continents including Asia. Comparable in offering contract manufacturing and supply chain services to industrial and automotive customers with a similar mid-tier scale profile.
- Integrated Micro-Electronics (IMI): Philippines-based global EMS with manufacturing in Asia, Europe, and the Americas serving automotive and industrial markets. Comparable automotive electronics focus (IATF16949 certified) and ASEAN production footprint.
- Hana Microelectronics: Thailand-headquartered EMS provider with manufacturing in Thailand, China, Cambodia, Laos, and the USA. Comparable in offering PCBA, module assembly, and global production services to industrial and automotive customers.
Emerging players
- PKC Electronics (Suzhou PKC Electronics / Italtech): Smaller EMS provider focused on PCBA and module assembly with operations serving industrial and automotive customers. Comparable in offering contract electronics manufacturing services at sub-scale relative to global mega-players.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
Sumitronics Corporation social profiles
Digital presenceSumitronics Corporation compliance and trust
Trust signalCompliance7 records
Sumitronics Corporation financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sumitronics Corporation leadership team
Management profileNumber of profiles
Profiles1 record
Sumitronics Corporation subsidiaries and ownership
Company hierarchySubsidiaries13 records
Sumitronics Corporation funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sumitronics Corporation M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sumitronics Corporation
What does Sumitronics Corporation do?
Sumitronics Corporation is an Electronics Manufacturing Service (EMS) and Supply Chain Management (SCM) provider. It delivers end-to-end electronics manufacturing services covering design support, prototype development, substrate mounting, and module assembly, complemented by global procurement (IPO) services through a network of approximately 1,500 suppliers handling about 50,000 component types across 14 countries.
Is Sumitronics Corporation a public or private company?
Sumitronics Corporation is a private company. It is classified as corporate owned and is currently operating.
When was Sumitronics Corporation founded?
Sumitronics Corporation was founded in 1988. It employs 1 to 10 people.
Where is Sumitronics Corporation based?
Sumitronics Corporation is headquartered in Tokyo, Japan, in the Asia region.
How does Sumitronics Corporation make money?
Three revenue lines are on record. EMS (Electronics Manufacturing Service) is the primary driver. The others are global SCM / Trading (Procurement Services) and after-sales Service.
Who are Sumitronics Corporation's main competitors?
Broad incumbents on record are Foxconn (Hon Hai Precision Industry), Jabil, Flex Ltd, Universal Scientific Industrial (USI) and Sanmina. Direct peers are SIIX Corporation, Scanfil, Integrated Micro-Electronics (IMI) and Hana Microelectronics. PKC Electronics (Suzhou PKC Electronics / Italtech) is listed as an emerging player.
Does Sumitronics Corporation have an API?
No public API is recorded for Sumitronics Corporation.
What industry is Sumitronics Corporation in?
Sumitronics Corporation's product category is Electronics Manufacturing Services. Its primary akta.pro industry code is IMAGAGAA, Industrial Electronics Manufacturing Services (EMS), with a secondary code of HDAHADAJ, Outsourced Semiconductor Manufacturing Services (Back-End EMS/Turnkey). Its NAICS code is 3332 and its SIC code is 3590.