Domestic Branches

Head Office

Head Office ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025, Japan
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TEL:+81-3-6737-2000 FAX:+81-3-6866-5104

Branch Offices

Chubu Sakae Ono Building, 10-24 Higashisakura 1-chome, Higashi-ku, Nagoya 461-0005
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TEL:+81-52-971-3063 FAX:+81-52-971-3916
Kansai Osaka Mitsui Bussan Building, 3-33 Nakanoshima 2-chome, Kita-ku, Osaka 530-0005
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TEL:+81-6-7635-3610 FAX:+81-6-7711-5100
Kyusyu Meijiyasudaseimeifukuoka Building, 6-20 Nakasu 5-chome, Hakata-ku, Fukuoka 810-0801
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TEL:+81-92-283-1670 FAX:+81-92-283-1677

Research Centers

Technology Research Center 19 Natsushima-cho, Yokosuka-shi, Kanagawa Prefecture 237-8555
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TEL:+81-468-69-2300 FAX:+81-468-69-2357[Research and development details]Machine systems technology, coating and microfabrication technology, simulation and analysis technology, system control technology, superconductor technology, environmental biology technology
Technology Research Center
(Tanashi)
1-1 Yato-cho 2-chome, Nishi-Tokyo-Shi, Tokyo 188-8585
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TEL:+81-42-468-4474 FAX:+81-42-468-4477 [Research and development details]Optical, quantum, and cryogenic technologies
Technology Research Center
(Niihama)
5-2 Soubiraki-cho, Niihama-shi, Ehime Prefecture 792-8588
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TEL:+81-897-32-6272 FAX:+81-897-32-1417 [Research and development details]Material technology

Industrial Works Locations

Tanashi Works 1-1 Yato-cho 2-chome, Nishi-Tokyo-shi, Tokyo, Japan 188-8585
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TEL:+81-42-468-4104 FAX:+81-42-468-4128
Chiba Works 731-1 Naganumahara-cho, Inage-ku, Chiba-shi, Chiba Prefecture 263-0001
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TEL:+81-43-420-1351 FAX:+81-43-420-1580
Yokosuka Works 19 Natsushima-cho, Yokosuka-shi, Kanagawa Prefecture, 237-8555
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TEL:+81-46-869-1842 FAX:+81-46-869-1792
Nagoya Works 1 Asahi-machi 6-chome, Ohbu-shi, Aichi Prefecture 474-8501
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TEL:+81-562-48-5111 FAX:+81-562-48-2033
Okayama Works 8230 Tamashima Otoshima, Kurashiki-shi, Okayama Prefecture 713-8501
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TEL:+81-86-525-6101 FAX:+81-86-525-6235
Ehime Works
(Niihama Plant)
5-2 Soubiraki-cho, Niihama-shi, Ehime Prefecture 792-8588
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TEL:+81-897-32-6211 FAX:+81-897-32-6519
Ehime Works
(Saijo Plant)
1501 Imazaike, Saijo-shi, Ehime Prefecture 799-1393
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TEL:+81-898-64-4811 FAX:+81-898-64-6970

Affiliated Companies

Machinery Components

Sumiju Technos, Ltd. 6-1 Asahi-cho, Obu, Aichi Prefecture 474-0024
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TEL:+81-(0)562-48-5115 FAX:+81-(0)562-46-8519[Business activities]Planning, design, repairs, modifications, inspections, maintenance, and installation of facilities and machinery; environmental conservation; facility maintenance; technical services for Beier Cyclo® variators
Sumiju Tomida Machinery Co., Ltd. 6-1 Asahi-cho, Obu, Aichi Prefecture 474-0024
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TEL:+81-(0)562-48-4167 FAX:+81-(0)562-48-8261[Business activities]Manufacturing and sales of components for transmissions and reduction gears
Sumitomo Heavy Industries Gearmotors Co., Ltd. 6-1 Asahi-cho, Obu, Aichi Prefecture 474-0024
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TEL:+81-(0)562-88-3040 FAX:+81-(0)562-46-8508[Business activities]Manufacturing and sales of transmissions and reduction gears, and motors
Sumitomo Heavy Industries PTC Sales Co., Ltd. ThinkPark Tower, 2-1-1 Osaki, Shinagawa-ku, Tokyo 141-6025
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TEL:+81-(0)3-6737-2580 FAX:+81-(0)3-6866-5173[Business activities]Sales and service of transmissions and reduction gears
Sumitomo Heavy Industries Gearbox Co., Ltd. 4-16-1 Wakihama, Kaizuka, Osaka Prefecture 597-8555
Map: Google Map
TEL:+81-(0)724-31-3021 FAX:+81-(0)724-31-0846[Business activities]Manufacturing and sales of large-scale gears, transmissions, and reduction gears

Precision Machinery

Izumi Seiki Co., Ltd. 6-6-46 Takihama, Niihama, Ehime Prefecture 792-0893
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TEL:+81-(0)897-32-6232 FAX:+81-(0)897-32-6535[Business activities]Design, manufacturing, sales, and repair of dies
Sumitomo Heavy Industries Ion Technology Co., Ltd. ThinkPark Tower, 2-1-1 Osaki, Shinagawa-ku, Tokyo 141-6025
Map: Google Map
TEL:+81-(0)3-6737-2690 FAX:+81-(0)3-6866-5103[Business activities]Development, manufacturing, sales, and service of ion implantation devices
Sumiju Business .,Ltd. 2-1-1 Yato-cho, Nishitokyo, Tokyo 188-8585
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TEL:+81-(0)42-468-4311 FAX:+81-(0)42-468-4300[Business activities]Processing of components for defense equipment, sales of various industrial machinery and components
SHI Accelerator Service, Ltd. Hissho Building, 1-17-6 Osaki, Shinagawa-ku, Tokyo 141-0032
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TEL:+81-(0)3-5434-8468 FAX:+81-(0)3-5434-2346[Business activities]Operation and maintenance of accelerators
S.H.I.Examination & Inspection,Ltd. 1501 Imazaike, Saijo, Ehime Prefecture 799-1393
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TEL:+81-(0)898-65-4868 FAX:+81-(0)898-65-4547[Business activities]Nondestructive inspections and technical service for using accelerators (Cyclotrons)
Sumiju Tokki Service Co., Ltd. 2-1-1 Yato-cho, Nishitokyo, Tokyo 188-8585
Map: Google Map
TEL:+81-(0)42-468-4451 FAX:+81-(0)42-468-4494[Business activities]Repair, after-sales service, manufacturing, and sales of components for defense products, cryogenic products, and dies
Sumiju Precision Forging Co., Ltd. 19 Natsushima-cho, Yokosuka, Kanagawa Prefecture 237-8555
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TEL:+81-(0)46-869-1659 FAX:+81-(0)46-869-1794[Business activities]Manufacturing and sales of forging castings; processing and sales of aviation, motor, and machinery components
Sumiju Platec Co., Ltd. 731-1 Naganumahara-cho, Inage-ku, Chiba-shi, Chiba Prefecture 263-0001
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TEL:+81-(0)43-420-1558 FAX:+81-(0)43-420-1587[Business activities]Design and drafting of technical drawings for plastic processing machines
Sumiju Logitech Co., Ltd. 731-1 Naganumahara-cho, Inage-ku, Chiba-shi, Chiba Prefecture 263-0001
Map: Google Map
TEL:+81-(0)43-420-1680 FAX: +81-(0)43-420-1676[Business activities]Manufacturing of plastic processing machines and related equipment, shipping operations and maintenance of facilities
Sumitomo Heavy Industries Himatex Co., Ltd. 5-2 Sobiraki-cho, Niihama, Ehime Prefecture 792-0002
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TEL:+81-(0)897-32-6485 FAX:+81-(0)897-32-6546[Business activities]Manufacturing and sales of metal rolls
Sumitomo Heavy Industries Finetech, Ltd. 8230 Tamashima Otoshima, Kurashiki, Okayama Prefecture 713-8103
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TEL:+81-(0)86-525-6280 FAX:+81-(0)86-525-6255[Business activities]Design, manufacturing, installation, sales, repair, import, and export of machine tools, coolant equipment, and precision components
Sumitomo Heavy Industries Mechatronics, Ltd. ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025
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TEL:+81-(0)3-6737-2530 FAX:+81-(0)3-6866-5115[Business activities]Sales of electricity control systems and components, sales of machine control systems and components, manufacturing and sales of laser processing equipment
Sumitomo Heavy Industries Modern, Ltd. 8-32-16 Shin-yoshidahigashi, Kohoku-ku, Yokohama, Kanagawa Prefecture 223-8511
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TEL:+81-(0)45-547-7711 FAX:+81-(0)45-547-7717[Business activities]Design, manufacturing, and sales of plastic extrusion machinery and add-on machinery
Sumitomo NACCO Materials Handling Co., Ltd. 2-75 Daito-cho, Obu, Aichi Prefecture 474-8555
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TEL:+81-(0)562-48-5251 FAX:+81-(0)562-48-5396[Business activities]Manufacturing and sales of forklifts and logistic equipment
Japan Electron Beam Irradiation Service Co., Ltd. Hissho Building, 1-17-6 Osaki, Shinagawa-ku, Tokyo 141-0032
Map: Google Map
TEL:+81-(0)3-5434-8467 FAX:+81-(0)3-5434-2046[Business activities]Sterilization and modification services for medical devices and various containers using electron beam irradiation

Construction Machinery

Sumitomo (S.H.I.) Construction Machinery Co., Ltd. ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025
Map: Google Map
TEL:+81-(0)3-6737-2600 FAX:+81-(0)3-6866-5112[Business activities]Manufacturing and sales of hydraulic excavators and road construction machinery

Industrial Machinery

Shin Nippon Machinery Co., Ltd. ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025
Map: Google Map
TEL:+81-(0)3-6737-2630 FAX:+81-(0)3-6866-5120[Business activities]Manufacturing and sales of turbines, pumps, and other industrial machinery
Sumitomo Heavy Industries Material Handling Systems Co., Ltd. 5th Floor Sumitomo Fudosan Hibiya Building, 8-6 Nishishimbashi 2-Chome, Minato-Ku, Tokyo 105-0003
Map: Google Map
TEL:+81-(0)3-6891-2160 FAX:+81-(0)3-6891-2194[Business activities]Design, manufacture and sales, as well as modifications, repairs, inspections and maintenance of material handling systems and general industrial machinery.

Ships

Sumiju Yokosuka Kogyo Co., Ltd. 19 Natsushima-cho, Yokosuka-shi, Kanagawa Prefecture, 237-8555
Map: Google Map
TEL:+81-(0)468-69-1707,1682 FAX:+81-(0)468-69-1648[Business activities]Shipbuilding and ship repair; production, installation, repair, and sea and land transportation of steel structures and a variety of machinery; collection and treatment of scrap steel and industrial waste
Sumitomo Heavy Industries Marine & Engineering Co., Ltd. ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025
Map: Google Map
TEL:+81-(0)3-6737-2620 FAX:+81-(0)3-6866-5169[Business activities]Sales, design, manufacturing, modification, scrapping, and repair of ships (excluding naval vessels); other vessel and marine engineering services

Environmental Facilities & Plants

Izumi Food Machinery Co., Ltd. 4-2-30 Shioe, Amagasaki, Hyogo Prefecture 661-8510
Map: Google Map
TEL:+81-(0)6-6718-6150 FAX:+81-(0)6-6718-6151[Business activities]Manufacturing and sales of food machinery
Sumiju Environmental Engineering Co., Ltd. Sumitomo Gotanda Building, 7-1-1 Nishigotanda, Shinagawa-ku, Tokyo 141-0031
Map: Google Map
TEL:+81-(0)3-5719-5020 FAX:+81-(0)3-5719-5070[Business activities]Maintenance, operation, management, repair, and modification construction of environmental hygiene facilities, air pollution prevention facilities, and related equipment and facilities; sales and delivery of chemical products
Sumiju Environmental Technologies, Ltd. Nishigotanda ES Building, 7-25-9 Nishigotanda, Shinagawa-ku, Tokyo 141-0031
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TEL:+81-(0)3-6737-2820 FAX:+81-(0)3-6866-5201[Business activities]Maintenance, operation, repair, and improvement construction of environmental and air pollution prevention facilities; design, construction, and monitoring of public works projects; consultation services; design, manufacturing, installation, sales, and repair of steel frames, structures, bridges, flood gates, and various other steel structures
SHI AIRPORT SYSTEM CO,LTD. Kansai International Airport Purification Center, 1 Senshu-Kukominami, Sennan, Osaka Prefecture 549-0021
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TEL:+81-(0)724-56-6255 FAX:+81-(0)724-56-6257[Business activities]Maintenance, operation, and management of water utility facilities, environmental hygiene facilities, and pollution prevention facilities
Sumiju Plant Engineering Co., Ltd. Nishigotanda ES Building, 7-25-9 Nishigotanda, Shinagawa-ku, Tokyo 141-0031
Map: Google Map
TEL:+81-(0)3-6737-2890 FAX:+81-(0)3-6866-5212[Business activities]Engineering, design, manufacturing, construction, and after-sales service for facilities related to dust collectors, evaporators, crystallization equipment, magnetic separators, and paper pulp
Sumitomo Heavy Industries Environment Co., Ltd. Nishigotanda ES Building, 7-25-9 Nishigotanda, Shinagawa-ku, Tokyo 141-0031
Map: Google Map
TEL:+81-(0)3-6737-2700 FAX:+81-(0)3-6866-5230[Business activities]Business operations relating to water treatment facilities, waste material treatment facilities, air pollution prevention facilities, and other pollution prevention and environmental management facilities; business operations relating to service water manufacturing facilities, pure water manufacturing facilities, functional water manufacturing facilities, and other water manufacturing facilities
Sumitomo Heavy Industries Process Equipment Co., Ltd. 1501 Imazaike, Saijo, Ehime Prefecture 799-1393
Map: Google Map
TEL:+81-(0)898-64-6936 FAX:+81-(0)898-64-6977[Business activities]Design, manufacturing, installation, modification, construction, and repair of the following machinery and equipment, as well as related facilities: (1) heat exchangers; (2) towers, tanks, and pressure vessels; (3) mixing tanks, evaporators, distillers, and other chemical machines; (4) transport machinery components; (5) vehicle and transport equipment; (6) machines and facilities for industrial and general machinery; and (7) construction of steel structures
Nihon Spindle Mfg Co., Ltd. 4-2-30 Shioe, Amagasaki, Hyogo Prefecture 661-8510
Map: Google Map
TEL:+81-(0)6-6499-5551 FAX:+81-(0)6-6499-7627[Business activities]Manufacturing and sales of industrial machinery, environmental equipment, air conditioning equipment, and construction materials

Other

Izumi Support Corporation ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025
Map: Google Map
TEL:+81-(0)3-6737-2666 FAX:+81-(0)3-6866-5166[Business activities]Provision of various services, including real estate leasing, maintenance, insurance brokerage, and travel agencies; consignment of security operations; sales of facilities, equipment, and management systems for crime prevention, disaster prevention, emergencies, and safety
Sumitomo Heavy Industries Business Associates, Ltd. ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025
Map: Google Map
TEL:+81-(0)3-6737-2445 FAX:+81-(0)3-6866-5102[Business activities]Accounting operations; general affairs operations (public relations, environmental management, facility management, etc.); personnel operations (organization, recruiting, training, payroll, welfare and benefits, etc.); development, operation, and maintenance of computer systems, information processing equipment, and networks
Lightwell Co., Ltd. Ueno NS Building, 3-18-10 Motoasakusa, Taito-ku, Tokyo 111-0041
Map: Google Map
TEL:+81-(0)3-5828-9230 FAX:+81-(0)3-5828-9229[Business activities]Consignment of various software; sales of secondary system equipment

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