三栄商事株式会社

What 三栄商事株式会社 does

San-Ei Trading Co., Ltd. (三栄商事株式会社) is a privately held Japanese specialized trading company (shoosha) founded in 1950 in Nagoya, Aichi, and operating continuously for over 75 years with an unbroken profitability record. The company functions as a comprehensive consulting intermediary for manufacturing equipment, distributing machine tools (NC lathes, machining centers, multi-tasking machines), industrial machinery (laser cutters, welding machines, injection molders, industrial robots), testing and measuring instruments (tensile testers, CMMs, image measuring machines), and press machinery (mechanical presses, servo presses) to manufacturers across automotive, aerospace, medical devices, semiconductor, and general industrial sectors. Its stated customer base exceeds 1,000 companies, anchored by enterprise names such as Toyota, Mitsubishi Electric, and Okuma, with sourcing relationships to approximately 600 supplier/manufacturer firms.

The firm's revenue model is primarily transaction-based, generating income through one-time sales of new and used equipment, plus agency fees and markups on import/export transactions through overseas subsidiaries in Thailand (SIAM SAN-EI, est. 1995), China (Kunshan Ei-Nichi Trading, est. 2011), and Indonesia (PT. SAN-EI TRADING INDONESIA, est. 2013). Go-to-market is exclusively direct field sales, with representatives managing approximately 50 accounts each and conducting 4–5 customer visits daily. San-Ei has vertically integrated through M&A, absorbing Hamana Engineering (April 2013, automation and labor-saving systems) and Toho Engineering (March 2018, industrial furnaces and fans) as wholly owned group companies, enabling co-development of proprietary products such as the TARNAR compact automated warehouse system launched in late 2025. The company employs approximately 80 staff across five domestic branches (Nagoya HQ/Aoi, Komaki, Okazaki, Hamamatsu, Yokohama) and three overseas subsidiaries.

Ownership is concentrated in the founding Goto family across three generations, with no disclosed institutional or private equity backing. San-Ei has pursued a deliberate expansion of capabilities via acquisition and merger, absorbing AI Assist Co., Ltd. in January 2025 and San-Ei Procast Co., Ltd. in June 2025, while investing in new infrastructure including a new timber-and-steel hybrid headquarters in Nagoya targeting April 2027 completion, designed as a co-creation hub for manufacturing partners and startups.

Name

三栄商事株式会社

Legal name

三栄商事株式会社

Website

https://sanei-trading.co.jp

Company type

Private

Founded year

1950

Operating status

Operating

Headcount range

1–10 employees

Short description

San-Ei Trading is a Nagoya-based Japanese specialized trading company that distributes machine tools, industrial machinery, testing equipment, and automation systems to over 1,000 manufacturing customers across automotive, aerospace, medical, and semiconductor sectors, leveraging 75+ years of supplier and customer relationships.

Ownership category

akta.pro rank

Product category

Industrial Equipment Trading

NAICS

All Other Industrial Machinery Manufacturing (333248)

SIC

Wholesale-Industrial Machinery & Equipment (5084)

akta.pro primary industry

Industrial Controllers & Control Systems (PLCs, PACs, CNC Controllers) (IMAHAHAH)

akta.pro secondary industry

Control System Integration & Engineering Services (Design, Commissioning, Retrofits) (IMAGABAK)

Keywords

• Machine tool trading
• Industrial equipment distribution
• Manufacturing equipment consulting
• Testing measuring instruments
• Factory automation solutions

Headquarters

HQ city

Nagoya

HQ country

Japan

HQ region

Asia

Offices8 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Marketing or Sales, Operations, Infrastructure, Technology or R&D

Revenue model

1. Machine Tools & Industrial Machinery Sales: Sales of new and used machine tools (NC lathes, machining centers, multi-tasking machines, presses, etc.), industrial machinery (laser cutters, welding machines, injection molders, industrial robots), and related mechanical components. Primarily one-time transaction-based sales to manufacturing customers, supplemented by aftersales service and support.
2. Testing & Measuring Equipment Sales: Sales of precision testing machines, measuring instruments, and analysis equipment. Includes tensile testers, hardness testers, CMM, image measuring machines, roughness meters. Supports quality assurance and inspection workflows in manufacturing facilities.
3. Group Company Products & Services: Products and services from group companies including Hamana Engineering (automation systems, TARNAR), Toho Engineering (industrial furnaces, fans). San-Ei distributes these group products through its customer network, generating both product revenue and service-related income.
4. Import/Export Agency & Trading: International trading operations including export of Japanese machinery and import of equipment. Overseas subsidiaries (Thailand, China, Indonesia) facilitate cross-border transactions. Revenue from agency fees, commissions, and markups on international trade.

Pricing tiers

Go-to-market motion3 records

Distribution channels2 records

Marketing channels6 records

Core offering

San-Ei Trading is a B2B consulting trading company (shoosha) that proposes, sells, and supports machine tools, press machinery, industrial machinery, testing/measuring instruments, and factory automation equipment for manufacturing customers. It matches manufacturing challenges to optimal equipment from a network of roughly 600 suppliers and 1,000+ customers, and co-develops proprietary automation products such as the TARNAR small automated warehouse with group company Hamana Engineering.

Product overview

三栄商事株式会社は工作機械・鍛圧機械・産業機械・試験機・測定器・FA機器の総合コンサルタント企業。主力製品としてNC旋盤、複合加工機、立形/横形マシニングセンタなどの工作機械を始め、レーザー加工機・焊接機・射出成型機などの産業機械、引張試験機や精密測定機などの試験機・測定器、機械プレスやサーボプレスなどの鍛圧機械を取り扱う。グループ会社の浜名エンジニアリングと共同開発した小型自動倉庫「TARNAR」を始めとする独自製品も展開。工作機械・測定器・切削工具等の提案・販売を主营とし、客户の課題解決に向けたシステム全体の提案を行う。

Differentiator

Problem solved

Functional benefit

Products and services

• NC Lathe (NC旋盤)

Quantifiable outcome

• Space reduction of 50%+ compared to flat storage
• +1 more outcomes

Named customers6 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

Four partnerships are on record, tiered minor and core.

• 株式会社EVeMminorImplementation/ SI/ Consulting Partner · 1 March 2026San-Ei hosted a management workshop using EVeM's proprietary 'Management 16 Types' diagnostic system and 'Management Standards' methodology. The workshop was attended by 18 San-Ei employees (management and sales). San-Ei is evaluating whether to distribute EVeM's services to its customer network. This was primarily an internal trial to assess market potential.
• タキビコ (TakibiCo) / TAKIBI & Co.minorGTM or Marketing Partner · 1 February 2026San-Ei is a co-creation partner of TakibiCo, a community that facilitates cross-generational collaboration between entrepreneurs (atotsuki/successors) and startups. President Goto spoke at TAKIBI & Co. Fes Tokyo 2026 on the themes of branding and customer nurturing. The partnership provides San-Ei with access to innovation networks and positioning as an open, forward-thinking company.
• トーホーエンジニアリング株式会社 (Toho Engineering Co., Ltd.)coreStrategic or Co-development Partner · 1 March 2018San-Ei made Toho Engineering a group company in March 2018. Toho Engineering manufactures industrial furnaces and sells industrial fans. This acquisition further expanded San-Ei's engineering capabilities, enabling it to provide comprehensive manufacturing solutions beyond pure trading.
• 浜名エンジニアリング株式会社 (Hamana Engineering Co., Ltd.)coreStrategic or Co-development Partner · 1 April 2013San-Ei made Hamana Engineering a group company in April 2013. Hamana Engineering specializes in automation and labor-saving equipment manufacturing. San-Ei and Hamana Engineering co-developed the TARNAR small automated warehouse. Hamana Engineering provides San-Ei with in-house manufacturing capabilities for automation systems that complement the trading business.

Scale indicators7 records

Recent moves9 records

Expansion highlights5 records

Direct peers

• MISUMI Group Inc. MISUMI distributes mechanical components, factory automation equipment, and tooling via catalogs and an e-commerce platform. It is the closest comparison to San-Ei in serving Japanese manufacturers with FA equipment, though it operates at far greater scale and with a digital-first business model.
• Yamazen Corporation: Yamazen is a long-established Japanese trading company distributing machine tools, factory automation, and building products. Closely comparable to San-Ei in consultative-sales business model for industrial equipment to manufacturers, with comparable age and broader product breadth.
• Naigai Industrial Co., Ltd. Naigai Industrial is a specialized Japanese trading company distributing industrial machinery, tools, and FA equipment in a manner very similar to San-Ei. The two companies overlap on customer segments in Japanese general and automotive manufacturing.

Broad incumbents

• Trusco Nakayama Corporation: Trusco Nakayama distributes industrial tools, MRO supplies, and safety equipment via catalog sales to manufacturers and trades in Japan. Overlaps San-Ei in industrial supply distribution but leans more heavily toward consumables and smaller-ticket MRO items than capital equipment.
• Kanematsu Corporation: Kanematsu is one of Japan's medium-sized general trading houses (sogo shosha) with an industrial machinery and electronics division that competes with San-Ei on larger-scale FA equipment programs. Far broader scope and scale, but directly overlapping in machine tool and automation distribution.
• ITOCHU Techno-Solutions Corporation: ITOCHU Techno-Solutions is an IT services and industrial systems subsidiary of ITOCHU that provides industrial and factory automation solutions. Comparable to San-Ei's automation integration ambitions, though much larger and more software/IT oriented.
• MonotaRO Co., Ltd. MonotaRO is Japan's largest industrial MRO/indirect-materials e-commerce platform serving manufacturers. It overlaps San-Ei in serving factory customers with industrial supplies and competes with San-Ei for digital procurement share, though at substantially larger scale.
• Nagase & Co., Ltd. Nagase is a Japanese trading company with industrial and electronic materials businesses, including factory automation and semiconductor equipment distribution. Comparable to San-Ei at the upper end of the market, particularly through semiconductor manufacturing customers.
• Kohnan Shoji Co., Ltd. Kohnan Shoji operates a chain of Pro-Tools and Pro-Work stores selling professional tools, industrial supplies, and small machinery to manufacturers and trades across Japan. Comparable to San-Ei in industrial supply distribution though structurally retail-oriented rather than consultative sales.

Others

• Kaga Electronics Co., Ltd. Kaga Electronics is a Japanese electronics distribution and EMS company serving factory automation customers. Focused on electronic components rather than machine tools, but its FA customer base and trading-house distribution model are thematically adjacent to San-Ei's industrial-supply activities.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/sanei_trading
• YouTubeyoutube.com/@sanei-trading
• Facebookfacebook.com/sanei.trading
• LinkedInlinkedin.com/company/%E4%B8%89%E6%A0%84%E5%95%86%E4%BA%8B%E6%A0%AA%E5%BC%8F%E4%BC%9A%E7%A4%BE

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries5 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about 三栄商事株式会社