What Naigai Tec Corp does

Naigai TEC Corporation is a Tokyo-headquartered technical trading company (sōgō shōsha-style operator) founded in 1961 and listed on the Tokyo Stock Exchange Standard Market (code 3374). The company imports and exports machine tools and electrical/electronic equipment, with its core business organized into five integrated units: SS (Supply Chain Solution - parts sales), TS (Technical Solution - product and technical development), MS (Manufacturing Solution - contract assembly), PS (Precision Machining Solution), and FS (Field Solution - maintenance and field support). These units collectively form the company's MDMS (Mechatronics Design and Manufacturing Services) framework, which delivers end-to-end mechanical solutions from parts procurement through design, contract manufacturing, precision machining, and after-sale maintenance.

The company's primary customers are semiconductor and flat panel display (FPD) manufacturing equipment makers in Japan, supported by an extensive nationwide infrastructure of 14 sales offices, 2 distribution centers, and 4 technical development centers. Internationally, the company operates a wholly-owned Shanghai subsidiary (NAIGAIKIZAI TRADING SHANGHAI CO., LTD., established 2011) with a Kunshan branch serving the Chinese market. Manufacturing operations are conducted through its wholly-owned subsidiary Naigai Electronics Inc. (established 1984), which provides cleanroom assembly (Class 1,000 and 10,000), large-crane operations, repair, and field maintenance for semiconductor and FPD equipment. Proprietary products developed in-house include the Kool Gon (Coolgon) compact temperature control series and the Air Management System (AMS) for factory equipment visualization and energy-saving control.

Revenue is generated through a mix of transaction-based trading/resale margins on distributed components and professional services fees for contract manufacturing, precision machining, and maintenance. The company does not publish pricing, indicating bespoke quote-based enterprise sales. Revenue is concentrated in the semiconductor and FPD vertical, served via direct enterprise field sales with certified pneumatic technicians (55 Class 1, 52 Class 2) and static electricity management engineers. The fiscal year ending March 2025 revenue was forecast at ¥43.8 billion (up 12.3% YoY), with operating income of ¥1.54 billion (up 26.4% YoY). The company is led by President Katsuro Iwaida and Chairman Hirokazu Gonda, with founding family members retaining significant ownership (Chairman Gonda holds ~10.04%).

Name

Naigai Tec Corp

Legal name

内外テック株式会社

Website

https://naigaitec.co.jp

Company type

Public

Founded year

1961

Operating status

Operating

Headcount range

101–250 employees

Short description

Naigai TEC Corporation is a Tokyo-based technical trading company (TSE: 3374) serving semiconductor and FPD equipment manufacturers through five integrated units: parts sales, technical development, contract assembly, precision machining, and field maintenance across 14 Japanese sales offices and a China subsidiary.

Ownership category

akta.pro rank

Product category

Semiconductor Equipment Components & Industrial Mechatronics Services

NAICS

Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (3334), Electrical Equipment Manufacturing (3353)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Thermal Processing Equipment (Furnaces/RTP/Anneal) (HDAHAEAE)

Keywords

• Semiconductor equipment components
• Industrial mechatronics trading
• Precision machining services
• Pneumatic vacuum equipment
• Factory maintenance services

Headquarters

HQ city

Setagaya

HQ country

Japan

HQ region

Asia

Offices22 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Sales (Trading/Resale of Components): Procurement and resale of pneumatic equipment, vacuum equipment, temperature control equipment, FA/mechatronics components, fluid control, measuring instruments, power/electronic devices, environmental equipment, and semiconductor/FPD industry products sourced from multiple manufacturers. This is the core trading company function.
2. Contract Manufacturing (Manufacturing Solution): Assembly of semiconductor and FPD manufacturing equipment, commissioned by manufacturers, with cleanroom facilities (Class 1,000, 10,000) and large cranes. Provided by subsidiary Naigai Electronics Inc.
3. Maintenance and Field Support Services: Maintenance, repair, overhaul, and field support services for semiconductor and FPD manufacturing equipment, including vacuum pumps, vacuum valves, temperature control chillers, and on-site maintenance contracting.
4. Precision Machining: Custom precision machining services for metals (aluminum, stainless steel), resins, and ceramics, coordinated through domestic and overseas partner companies.
5. In-house Product Development and Design Services: Product development and design services including commissioned design and manufacturing, leveraging in-house R&D capabilities and proprietary products such as the Kool Gon temperature control series and Air Management System.

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Naigai Tec Corp is a Japanese technical trading company that procures, distributes, and integrates mechanical, pneumatic, vacuum, temperature-control, and mechatronic components for semiconductor and flat panel display (FPD) manufacturing equipment makers. Beyond component resale, the company delivers in-house product development (Coolgon temperature controllers, Air Management System), contract assembly via subsidiary Naigai Electronics Inc. (cleanroom Class 1,000/10,000), precision machining of metals/resins/ceramics, and field maintenance and overhaul services for vacuum pumps, valves, and chillers.

Product overview

Naigai Tec Corp is a technical trading company that provides a portfolio of five integrated business units: SS (Sales/Supply Chain), TS (Technical Solution/Product Development), MS (Manufacturing Solution/Contract Assembly), PS (Precision Machining), and FS (Field Solution/Maintenance Support). The company operates through its MDMS (Mechatronics Design and Manufacturing Services) framework, combining procurement, sales, design, manufacturing, and after-sale service. Proprietary products include the Coolgon temperature control series and Air Management System (AMS). The company handles a wide range of industrial components including pneumatic equipment, vacuum equipment, mechatronics/FA equipment, temperature control equipment, fluid control equipment, measuring instruments, power/electronic devices, and environmental/energy-saving products for semiconductor and LCD manufacturing industries.

Differentiator

Problem solved

Functional benefit

Products and services

• SS Business (Supply Chain Solution / Sales) Procurement and resale of pneumatic equipment, vacuum equipment, temperature control equipment, FA/mechatronics components, fluid control, measuring instruments, power/electronic devices, environmental equipment, and semiconductor/FPD industry products sourced from multiple manufacturers. Sold to semiconductor and FPD manufacturing equipment makers.
• TS Business (Technical Solution / Product & Technology Development) Commissioned design, prototyping, and product development services, including in-house development of proprietary products such as the Coolgon temperature control series and the Air Management System (AMS). Targeted at semiconductor and FPD manufacturers needing custom-engineered equipment.
• MS Business (Manufacturing Solution / Contract Assembly) Contract assembly of semiconductor and FPD manufacturing equipment, performed in cleanroom facilities (Class 1,000 and 10,000) with large cranes. Delivered through wholly-owned subsidiary Naigai Electronics Inc. for equipment manufacturers.
• PS Business (Precision Machining Solution) Precision machining services for metals (aluminum, stainless steel), resins, ceramics, and other materials, from raw material procurement through cutting, welding, and surface treatment, coordinated through domestic and overseas partner companies. Serves manufacturers needing custom-machined parts.
• FS Business (Field Solution / Maintenance Support) Maintenance, repair, overhaul, and on-site field support services for semiconductor and FPD manufacturing equipment including vacuum pumps, vacuum valves, and temperature control chillers, with periodic and preventive maintenance contracts.
• Coolgon (クールゴン) Series Temperature Control Units Proprietary compact temperature control coolers developed in-house by Naigai Tec to provide compact, easy-to-use temperature control equipment for semiconductor and industrial customers.
• Air Management System (AMS) Application product that visualizes the operating state of factory production equipment to provide safety and reliability support while achieving energy-saving control. Targets factory equipment operators.

Named customers1 record

Segments3 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Three partnerships are on record, tiered core, secondary and minor.

• Iriki Kogyō Corporation (入江工研株式会社)coreStrategic or Co-development Partner · 1 March 2021Capital and business partnership (三者契約 — three-party agreement) established in March 2021 between Iriki Kogyō Corporation, Naigai Electronics Inc., and Naigai TEC. Iriki Kogyō specializes in vacuum piping, bellows, and related components, complementing Naigai TEC's vacuum equipment portfolio. A previous business partnership agreement was already signed in September 2018.
• Nanotem Co., Ltd. (株式会社ナノテム)secondaryStrategic or Co-development Partner · 1 September 2006Capital and business partnership with Nanotem for the development and partial manufacturing of unit products using porous ceramic plates. Capital partnership established in September 2006, with business partnership for co-development starting December 2005.
• Makina Engineering Co., Ltd. (株式会社マキナエンジニアリング)minorStrategic or Co-development Partner · 1 October 2005Capital and business partnership established in October 2005 for strategic collaboration in engineering and manufacturing services.

Scale indicators9 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Ryosan Company, Limited: Japanese technical trading company specializing in semiconductors, electronic devices, and industrial components. Comparable business model (procurement-distribution of components to semiconductor and electronics manufacturers) and customer overlap with Naigai TEC's SS business.
• Inabata & Co., Ltd. Japanese technical trading company with electronics, information, and industrial products divisions, including semiconductor-related distribution. Comparable scale and business model to Naigai TEC's technical trading focus.
• Kaga Electronics Co., Ltd. Japanese technical trading company distributing semiconductors, electronic components, and FA/industrial equipment with proprietary product lines. Comparable product mix and customer verticals to Naigai TEC.
• Nagase & Co., Ltd. Japan-based technology and chemicals trading company with a strong electronics/semiconductor materials segment and proprietary product development. Comparable hybrid trading-plus-manufacturing model and similar semiconductor vertical exposure.
• Hagiwara Electronics Co., Ltd. Japanese electronics-focused technical trading company providing semiconductors, electronic components, and FA equipment to manufacturers. Similar mid-cap trading-distribution profile serving semiconductor and industrial customers in Japan.
• Rorze Corporation: Japan-based developer of mechatronics and automation systems for the semiconductor and FPD industries, with similar exposure to wafer/FPD handling, transport, and cleanroom-integrated equipment. Most directly comparable to Naigai TEC's MS and PS business units and target customer base.

Broad incumbents

• Tokyo Electron Limited: Largest Japanese manufacturer of semiconductor and FPD production equipment with broad product portfolio (coater/developer, etch, CVD, single-wafer deposition). Shares Naigai TEC's semiconductor and FPD customer base but operates as a much larger, integrated OEM rather than a technical trading company.
• Lasertec Corporation: Japanese maker of semiconductor inspection and measurement equipment serving the same fab customer base as Naigai TEC's SS business. Comparable end-market exposure but as a much larger, listed incumbent equipment OEM rather than a distributor.
• Itochu Corporation: One of Japan's major sogo shosha (general trading companies) with a substantial electronics, ICT, and industrial machinery trading portfolio. Overlaps with Naigai TEC's general industrial machinery distribution but at vastly larger scale and broader scope.

Others

• SMC Corporation: Global leader in pneumatic equipment manufacturing and a long-standing principal of Naigai TEC (agency agreement since 1965). While not a peer in the trading sense, SMC is a key supplier-partner and the largest indirect exposure to Naigai TEC's SS business unit revenue.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries2 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 Naigai Tec Corp