Group Companies Japan
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Group Companies
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Our domestic group companies continues to gain in its importance through its rapid advances towards globalization.
Mitsuba is able to demonstrate a powerful developmental process that opens up a wide range of original and powerful opportunities.

Transportation Equipment-related Operations
Tatsumi Corporation <Production>
location : 443, Minami-Omachi, Ashikaga, Tochigi Pref. 326-0836 Japan
Established : May 1951
TEL : +81(284) 71-3131
FAX : +81(284) 71-3417
Capital : JPY 715,000 thousands
Main Products : Cold-forging / Cold pressure and precision
equipment processing components
Higashinihon Diecasting Industry Co., Ltd. <Production>
location : 1914-2, Oibara, Misato-Machi, Takasaki, Gunma Pref. 370-3102 Japan
Established : Feb. 1961
TEL : +81(27) 371-5821
FAX : +81(27) 371-5941
Capital : JPY 70,000 thousands
Main Products : Aluminum die-cast components
Momimo Manufacturing Co., Ltd. <Production>
location : 3-136-1, Aioi-Cho, Kiryu, Gunma Pref. 376-0011 Japan
Established : Mar. 1949
TEL : +81(277) 54-2345
FAX : +81(277) 53-6335
Capital : JPY 90,000 thousands
Main Products : Molding components
Toyo Electric Manufacturing Co., Ltd. <Production>
location : 545-1, Godo, Azuma-Cho, Midori, Gunma Pref. 376-0304 Japan
Established : May 1970
TEL : +81(277) 97-2231
FAX : +81(277) 97-2040
Capital : JPY 70,000 thousands
Main Products : Front wiper Iink assemblies
Sun-You Corporation <Production>
location : 5-204-11, Aioi-Cho, Kiryu, Gunma Pref. 376-0011 Japan
Established : Dec. 1969
TEL : +81(277) 53-2380
FAX : +81(277) 52-8195
Capital : JPY 100,000 thousands
Main Products : Fan motors, Seat motors, Wire harnesses
Oshima Electric Works Co., Ltd. <Production>
location : 135-10, Nishi-Shinmachi, Ota, Gunma Pref. 373-0847 Japan
Established : Dec. 1960
TEL : +81(276) 31-3951
FAX : +81(276) 31-2008
Capital : JPY 380,000 thousands
Main Products : Door mirrors and lamps for 4-wheeled vehicles
Mitsuba-Walbro, Inc. <Production>
location : 1-23-1, Kunisada-Machi, Isesaki, Gunma Pref. 379-2221 Japan
Established : Jan. 1987
TEL : +81(270) 63-5612
FAX : +81(270) 63-5615
Capital : JPY 200,000 thousands
Main Products : Pump armatures for 4-wheeled vehicles,
Fuel Pumps, Fuel Pump modules
Ochiai Manufacturing Co., Ltd. <Production>
location : 250-11, Uda, Tomioka, Gunma Pref. 370-2451 Japan
Established : Nov. 1961
TEL : +81(274) 62-3221
FAX : +81(274) 64-0230
Capital : JPY 12,000 thousands
Main Products : Vehicle-mounted press products,
Spot welding products
Mitsuba Logistics Co., Ltd. <Production>
location : 19-161, Yoriai-Cho, Ota, Gunma Pref. 379-2303 Japan
Established : Sep. 1967
TEL : +81(277) 78-3511
FAX : +81(277) 78-6986
Capital : JPY 70,000 thousands
Business : Transport & warehousing
Miyazaki Mitsuba Corporation <Production>
location : 1-2, Imaichi, Mitsumata-Cho, Kitamorokata-Gun, Miyazaki Pref. 889-1905 Japan
Established : Apr. 1974
TEL : +81(986) 52-1231
FAX : +81(986) 52-1233
Capital : JPY 100,000 thousands
Main Products : Window washer pumps, Fuel pumps, Motor
components
Mitsuba Service Parts Product Co., Ltd. <Production>
 
location : 19-11 Yoriai-cho, Ota-shi, Gunma Pref., 379-2303 Japan
Established : Dec. 2009
TEL : +81(277)88-0025
FAX : +81(277)78-5080
Capital : JPY 30,000 thousands
Business : Manufacturing and sales of small lots of parts and components for the Mitsuba Group
AMCO Corporation
location : 7-5059-1, Hirosawa-Cho, Kiryu, Gunma Pref. 376-0013 Japan
Established : Jun. 2006
TEL : +81(277) 52-2631
FAX : +81(277) 52-2382
Capital : JPY 38,000 thousands
Business : Manufacturing and design of automotive components, Development of software on consignment
Automotive Components & Accessories Operations

Mitsuba Sankowa Corporation
location : 3-3-4, Narimasu, Itabashi Ward, Tokyo, 175-0094 Japan
Established : Oct. 1994
TEL : +81(3) 3938-3201
FAX : +81(3) 3938-8141
Capital : JPY 300,000 thousands
Business : R&D and sale of automotive components and accessories
Santist Co., Ltd.
location : 3427-12, Miyako-Cho, Isesaki, Gunma Pref. 372-0801 Japan
Established : Jun. 1990
TEL : +81(270) 26-0100
FAX : +81(270) 26-0655
Capital : JPY 95,000 thousands
Business : R&D and sale of automotive components and accessories
Information Service Operations

Ryomo Systems Co., Ltd.
location : 3-4025, Hirosawa-Cho, Kiryu, Gunma Pref. 376-8502 Japan
Established : Jan. 1970
TEL : +81(277) 53-3131
FAX : +81(277) 52-0188
Capital : JPY 1,966,900 thousands
Business : Systems integration services, System Development, Software Development
Sunfield Internet Co., Ltd.
location : 3-4025, Hirosawa-Cho, Kiryu, Gunma Pref. 376-8503 Japan
Established : Dec. 1995
TEL : +81(277) 55-1000
FAX : +81(277) 55-1001
Capital : JPY 120,000 thousands
Business : Provider services and other internet-related services
Ryomo Business Support Co., Ltd.
location : 5-1633, Hirosawa-Cho, Kiryu, Gunma Pref. 376-0013 Japan
Established : Nov. 1998
TEL : +81(277) 70-6600
FAX : +81(277) 70-6605
Capital : JPY 30,000 thousands
Business : IT education, Help desks, Business Process Outsourcing
Ryomo Data Center Co., Ltd
location : 3-4025 Hirosawa-Cho, Kiryu, Gunma Pref. 376-8502 Japan
Established : Jan. 2002
TEL : +81(277) 40-2090
FAX : +81(277) 40-2107
Capital : JPY 80,000 thousands
Business : IT outsourcing services, Computer Processing Service on Consignment
RS CONSULTANTS CO.,LTD.
location : 3-4025 Hirosawa-Cho, Kiryu, Gunma Pref. 376-0013 Japan
Established : Oct. 2008
TEL : +81(277) 53-3740
FAX : +81(277) 52-3772
Capital : JPY 30,000 thousands
Business : Bringing the affairs of business enterprise / municipality relationships. Into perspective, promotion support consulting for BPR and other activities,
Financial, affairs accounting, personnel affairs and other operations consulting
Regional Service Operations

Sanko Electric Co., Ltd.
location : 5-1167, Hirosawa-Cho, Kiryu, Gunma Pref. 376-0013 Japan
Established : Mar. 1974
TEL : +81(277) 52-5816
FAX : +81(277) 52-1224
Capital : JPY 70,000 thousands
Business : Design and construction of electricity, water supply and drainage, hygiene, air conditioning, building operations, etc., as well as the design and manufacturing of electronic (computer) control equipment, automatic machinery etc.
Sanko Construction Co., Ltd.
location : 2-2961, Hirosawa-Cho, Kiryu, Gunma Pref. 376-0013 Japan
Established : Jun. 1965
TEL : +81(277) 53-3111
FAX : +81(277) 53-3112
Capital : JPY 50,000 thousands
Business : Design and construction of civil engineering structures
Office Advan Inc.
location : 1-2789, Hirosawa-Cho, Kiryu, Gunma Pref. 376-0013 Japan
Established : Mar. 2000
TEL : +81(277) 52-0237
FAX : +81(277) 52-0260
Capital : JPY 50,000 thousands
Business : General affairs, Accounting consignment services, Finance business
Mitsuba Ability Staff Corporation
location : 2-1890-18, Tomoe-Cho, Kiryu, Gunma Pref. 376-0021 Japan
Established : Jan. 1997
TEL : +81(277) 20-8127
FAX : +81(277) 20-8128
Capital : JPY 50,000 thousands
Business : Temporary staffing, fee-charging employment agency, business contracting operations (Cleaning / security, etc.)

Mitsuba Environmental Analysis and Research Corporation
location : 598, No, Niisato-Cho, Kiryu, Gunma Pref. 376-0122 Japan
Established : Jan. 1999
TEL : +81(277) 74-5958
FAX : +81(277) 74-5973
Capital : JPY 40,000 thousands
Business : Environmental measurement business, fault & trouble analyses , electronic appliance security control business on consignment, as well as various types of consulting