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Union Tool Co., Ltd.

ユニオンツール株式会社UNION TOOL CO.Alias
Ticker
Listed market
TYO
Country
Japan
Employees (consolidated)
1,530
Related companies
15
§01

Basic information

BASIC
Head office
6-17-1 Minami-Oi, Shinagawa-ku, Tokyo 140-0013, Japan
Chief executive
Yuji Watanabe
Capital
2,998,500,000  (29 100 million)
Employees (non-consolidated)
905 people
Employees (consolidated)
1,530 people
Start date
1960-01-01
End date
§02

Websites

1 DOMAINS
§03

Business

11
Cutting toolsLinear motion bearingsEnd millsMeasurement equipmentPCB drills and routersPCB tool-related equipmentCarbide end millsLinear motion roller bearingsDigital measurement seriesTapping dies, forging tools, coating rodsBio-sensor related products
§04

Related companies

15 COMPANIES
Company name Group Parent Subsidiary Customer Supplier Alliance Bank Shareholder
U.S. UNION TOOL,INC.
Group
UNION TOOL (THAILAND) CO., LTD.
Group
UNION TOOL EUROPE S.A.
Group
UNION TOOL HONG KONG LTD.
Group
UNION TOOL SINGAPORE PTE LTD.
Group
Union Tool (Shanghai) Co., Ltd.
Group
Taiwan YouNeng Tools Co., Ltd.
Group
ユニオンエンジニアリング株式会社
Group
ユニオンビジネスサービス株式会社
Group
東莞佑能工具有限公司
Group
Kiraboshi Bank Co., Ltd.
Bank
Sumitomo Mitsui Banking Corporation
Bank
Mitsubishi UFJ Trust and Banking Corporation
Bank
Mitsubishi UFJ Bank Ltd.
Bank
Fourth Hokke Bank Co., Ltd.
Bank
Names without a link are companies not yet registered in OpenBizGraph
§05

Network

NETWORK
Drag to move · click to open
§06

History

97 EVENTS

Sources

Establishment of Union Chemical Research Institute Co., Ltd.Sources

Established: Showa 35 (1960)Sources

Sources

New construction of head office buildingSources

Sources

Renamed to UNION TOOL Co., Ltd.Sources

Dedicated factory for cross roller guidesSources

Established the old Nagaoka factory as a dedicated factory for cross roller guidesSources

Sources

New and relocated Nagaoka First FactorySources

Sources

Expansion of Nagaoka First FactorySources

Sources

Establishment of the U.S. subsidiary MEGATOOL INC.Sources

Sources

Established Osaka Sales OfficeSources

Sources

Expansion of head office building and opening of Nagaoka Sales OfficeSources

New Nagaoka Second Factory, establishment of Taiwan local subsidiary TAIWAN UNION TOOL CORP.Sources

New Nagaoka Second FactorySources

Established Taiwan local subsidiary TAIWAN UNION TOOL CORP.Sources

Establishment of UNION TOOL EUROPE S.A.Sources

Established European local subsidiary UNION TOOL EUROPE S.A.Sources

Sources

Established Atsugi Sales Office and new heat treatment building at Nagaoka FactorySources

Sources

Listed on the over-the-counter market of the Japan Securities Dealers AssociationSources

Sources

New and relocated Tokyo FactorySources

Sources

New Nagaoka Third FactorySources

Sources

Nagoya Sales Office OpeningSources

Establishment of UNION TOOL (SHANGHAI) CO., LTD.Sources

Establishment of the China subsidiary UNION TOOL(SHANGHAI) CO.,LTD.Sources

Sources

Listed on the Tokyo Stock Exchange Second SectionSources

Head Office RelocationSources

Mishima Research Institute OpeningSources

New Nagaoka Fourth Factory, establishment of UNION TOOL HONG KONG LTD.Sources

Nagaoka Fourth Factory New ConstructionSources

Establishment of Hong Kong Local Subsidiary UNION TOOL HONG KONG LTD.Sources

Sources

Listed on the Tokyo Stock Exchange First SectionSources

Establishment of UNION TOOL SINGAPORE PTE LTD., establishment of UNION TOOL UK LIMITED, acquisition of ISO14001 certificationSources

Singapore Local Subsidiary UNION TOOL SINGAPORE PTE LTD.Sources

Establishment of the UK subsidiary UNION TOOL UK LIMITEDSources

Acquisition of ISO 14001 Environmental Management System CertificationSources

Sources

Nagaoka Fifth Factory New ConstructionSources

Establishment of DONGGUAN UNION TOOL CORP.Sources

Establishment of the China subsidiary DONGGUAN UNION TOOL CORP.Sources

Establishment of UNION TOOL (WAIGAOQIAO SHANGHAI) CO., LTD.Sources

Establishment of the China (Shanghai Waigaoqiao) local subsidiary UNION TOOL (WAIGAOQIAO SHANGHAI) CO., LTD.Sources

New technical center, renamed from MEGATOOL INC. to U.S. UNION TOOL, INC.Sources

Technical Center New ConstructionSources

U.S. Local Subsidiary renamed from MEGATOOL INC. to U.S. UNION TOOL, INC.Sources

Sources

Anjo Sales Office and Hiroshima Sales Office OpeningSources

Sources

Mitsuke Factory OpeningSources

Sources

Kita-Kanto Sales Office OpeningSources

Established a local subsidiary in Singapore and an office in Thailand, and expanded the third factory of Taiwan Union Tool Corp.Sources

Establishment of Singapore Local Subsidiary's Representative Office in ThailandSources

Taiwan Local Subsidiary TAIWAN UNION TOOL CORP. Third Factory ExpansionSources

Relocation of U.S. UNION TOOL, INC.Sources

Relocation of U.S. UNION TOOL, INC.Sources

Sources

New Construction of Headquarters BuildingSources

Relocation of DONGGUAN UNION TOOL CORP.Sources

Relocation of DONGGUAN UNION TOOL CORP.Sources

Sources

New construction of Mitsuke Second FactorySources

Opened a regional open-type business in-house nursery school "Union no Mori Nanyō Nursery School" and established a local subsidiary in Thailand, UNION TOOL (THAILAND) CO., LTD.Sources

Open a regional open-type business on-site nursery school "Union no Mori Nanyo Nursery School"Sources

Establishment of the local subsidiary UNION TOOL (THAILAND) CO., LTD. in ThailandSources

P Series Drills for Ultra-precision Micro-hole ProcessingSources

UTSCOAT End Mill Series for Stainless Steel ProcessingSources

HMGCOAT End Mill Series for High Hardness Material ProcessingSources

Monitoring RadarSources

DLC COAT End Mill Series for Copper Electrode ProcessingSources

UDC COAT H Series End Mill for Cemented Carbide and Brittle Material ProcessingSources

ø3mm Shank End Mill V SeriesSources

High-efficiency Finishing End Mill SeriesSources

Transition to the Tokyo Stock Exchange "Prime Market" and relocation of UNION TOOL SINGAPORE PTE LTD.Sources

Transition to the new market classification "Prime Market" of the Tokyo Stock ExchangeSources

Relocation of UNION TOOL SINGAPORE PTE LTD.Sources

Mirror Surface Processing End Mill CBN-PLBSources

HMWCOAT End Mill for High Hardness Material Processing HWLBSources

Sources

Establishment of Shizuoka Sales OfficeSources

UTWCOAT End Mill for Raw Material to 40HRC Processing CWLBSources

Sources

New construction of Mitsuke Third FactorySources

Road Surface Condition Measurement VehicleSources

§07

News

17 ARTICLES

Nikkei & TSE IR Fair 2026 ParticipationSources

Union Tool will participate in the Nikkei & TSE IR Fair 2026, introducing growth driven by demand related to generative AI and future initiatives. The event will be held at Tokyo Big Sight on August 28 and 29, 2026, with President Yuji Watanabe taking the stage.

Union Tool's New Coronavirus Response MeasuresSources

The company has implemented measures for infection prevention and health management at all domestic bases, and shipments are proceeding as usual.

Union Tool's COVID-19 Response Status and Continuation MeasuresSources

The company has returned to normal work since June 19, and continues to implement staggered working hours and web meetings to prevent the spread of infection, thoroughly practicing hand washing and mask-wearing.

Notice of suspension of toll-free dial response due to factory closureSources

Due to the closure of the Nagaoka and Mitsuke factories on October 19, inquiries via toll-free dial will be suspended and are scheduled to resume the following day.

Regarding Union Tool's Response to the Novel Coronavirus (Updated January 15)Sources

The company has strengthened infection prevention measures and is promoting telecommuting in response to the state of emergency.

Regarding Union Tool's Response to COVID-19 (Updated March 22)Sources

The company continues infection prevention measures and recommends working from home even after the state of emergency is lifted.

Regarding Union Tool's Response to the New Coronavirus (Updated July 16, 2026)Sources

The company is implementing remote work and changing communication methods to prevent the spread of infection, and is seeking understanding from those involved.

Regarding Union Tool's Response to the Novel Coronavirus (Updated April 28)Sources

In response to the Tokyo Metropolitan Government's state of emergency declaration, we will continue infection prevention measures for the time being and recommend telecommuting.

Regarding Union Tool's Response to COVID-19 (Updated July 21)Sources

The company continues efforts to prevent infection and recommends telecommuting and email communication.

Regarding Union Tool's New Coronavirus Response (Updated September 7)Sources

The company continues efforts such as workplace vaccination to prevent the spread of infection, and recommends contacting remote workers via email.

§08

Public records

GOV
National Tax Agency basic information5010701010077
Source: National Tax Agency Corporate Number Publication Site, basic three itemsSources
Trade name
ユニオンツール株式会社
Trade name (kana)
ユニオンツール
Name in English
UNION TOOL CO.
Corporation type
301
Address
〒140-0013 東京都品川区南大井6丁目17番1号
Postal code
1400013
Prefecture code
13
City code
109
Address outside Japan
Prefecture in English
Tokyo
City in English
6-17-1 Minami-Ohi, Shinagawa ku
Address outside Japan in English
Corporate number assignment date
2015-10-05
Update date
2023-03-23
Change date
2015-10-05
Registry closure date
Reason for registry closure
Successor corporate number
Details of the change
Latest record
1
Excluded from search
0
Processing type
01
Correction type
1
Trade name image ID
Address image ID
Sequence number
1920133
METI gBizINFO5010701010077
Source: gBizINFO (Ministry of Economy, Trade and Industry)Sources
Corporate number
5010701010077
Trade name
ユニオンツール株式会社
Trade name (kana)
ユニオンツール
Trade name (alphabet)
UNION TOOL CO.
Registry closure date
Reason for registry closure
Registered address
東京都品川区南大井6丁目17番1号
Postal code
1400013
Prefecture
東京都
Prefecture code
13
City or district
品川区
City code
109
Street address
南大井6丁目17番1号
Organisation type
301
Processing type
01
Correction type
1
Status
Representative
代表取締役会長  片山 貴雄
Capital
2998000000
Employees
905
Employees (male)
677
Employees (female)
228
Business summary
切削工具、直線運動軸受、エンドミル、測定機器 等 金属加工機械の製造と販売
Website URL
https://www.uniontool.co.jp
Year founded
Business category
E:製造業
Date established
Unified government qualification - grade
Unified government qualification - business items
Update date
2023-03-23
Key information
5010701010077
§09

Sources & updates

SOURCES
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