Domestic Branches

Head Office & Branch Offices

Head Office ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025, Japan
TEL
+81-3-6737-2000
FAX
+81-3-6866-5104
Chubu Sakae Ono Building, 10-24 Higashisakura 1-chome, Higashi-ku, Nagoya 461-0005
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
TEL
+81-6-7635-3610
FAX
+81-6-7711-5100
Kyusyu Hakata Fukoku Seimei Building, 8-30 Tenyamachi, Fukuoka Hakata-ku, Fukuoka 812-0025
TEL
+81-92-283-1670
FAX
+81-92-283-1677

Research Centers

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

Industrial Works Locations

Tanashi Works 1-1 Yato-cho 2-chome, Nishi-Tokyo-shi, Tokyo, Japan 188-8585
TEL
+81-42-468-4104
FAX
+81-42-468-4128
Chiba Works 731-1 Naganumahara-cho, Inage-ku, Chiba-shi, Chiba Prefecture 263-0001
TEL
+81-43-420-1351
FAX
+81-43-420-1580
Yokosuka Works 19 Natsushima-cho, Yokosuka-shi, Kanagawa Prefecture, 237-8555
TEL
+81-46-869-1842
FAX
+81-46-869-1792
Nagoya Works 1 Asahi-machi 6-chome, Ohbu-shi, Aichi Prefecture 474-8501
TEL
+81-562-48-5111
FAX
+81-562-48-2033
Okayama Works 8230 Tamashima Otoshima, Kurashiki-shi, Okayama Prefecture 713-8501
TEL
+81-86-525-6101
FAX
+81-86-525-6235
Ehime Works
(Niihama Plant)
5-2 Soubiraki-cho, Niihama-shi, Ehime Prefecture 792-8588
TEL
+81-897-32-6211
FAX
+81-897-32-6519
Ehime Works
(Saijo Plant)
1501 Imazaike, Saijo-shi, Ehime Prefecture 799-1393
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
Business activities
Planning, design, repairs, modifications, inspections, maintenance, and installation of facilities and machinery; environmental conservation; facility maintenance; technical services for Beier Cyclo® variators
TEL
+81-(0)562-48-5115
FAX
+81-(0)562-46-8519
Sumiju Tomida Machinery Co., Ltd. 6-1 Asahi-cho, Obu, Aichi Prefecture 474-0024
Business activities
Manufacturing and sales of components for transmissions and reduction gears
TEL
+81-(0)562-48-4167
FAX
+81-(0)562-48-8261
Sumitomo Heavy Industries Gearmotors Co., Ltd. 6-1 Asahi-cho, Obu, Aichi Prefecture 474-00241
Business activities
Manufacturing and sales of transmissions and reduction gears, and motors
TEL
+81-(0)562-88-3040
FAX
+81-(0)562-46-8508
Sumitomo Heavy Industries PTC Sales Co., Ltd. ThinkPark Tower, 2-1-1 Osaki, Shinagawa-ku, Tokyo 141-6025
Business activities
Sales and service of transmissions and reduction gears
TEL
+81-(0)3-6737-2580
FAX
+81-(0)3-6866-5173
4-16-1 Wakihama, Kaizuka, Osaka Prefecture 597-8555
Business activities
Manufacturing and sales of large-scale gears, transmissions, and reduction gears
TEL
+81-(0)724-31-3021
FAX
+81-(0)724-31-0846

Precision Machinery

Izumi Seiki Co., Ltd. 6-6-46 Takihama, Niihama, Ehime Prefecture 792-0893
Business activities
Design, manufacturing, sales, and repair of dies
TEL
+81-(0)897-32-6232
FAX
+81-(0)897-32-6535
ThinkPark Tower, 2-1-1 Osaki, Shinagawa-ku, Tokyo 141-6025
Business activities
Development, manufacturing, sales, and service of ion implantation devices
TEL
+81-(0)3-6737-2690
FAX
+81-(0)3-6866-5103
Sumiju Business.,Ltd. 2-1-1 Yato-cho, Nishitokyo, Tokyo 188-8585
Business activities
Processing of components for defense equipment, sales of various industrial machinery and components
TEL
+81-(0)42-468-4311
FAX
+81-(0)42-468-4300
Sumiju Tokki Service Co., Ltd. 2-1-1 Yato-cho, Nishitokyo, Tokyo 188-8585
Business activities
Repair, after-sales service, manufacturing, and sales of components for defense products, cryogenic products, and dies
TEL
+81-(0)42-468-4451
FAX
+81-(0)42-468-4494
19 Natsushima-cho, Yokosuka, Kanagawa Prefecture 237-8555
Business activities
Manufacturing and sales of forging castings; processing and sales of aviation, motor, and machinery components
TEL
+81-(0)46-869-1659
FAX
+81-(0)46-869-1794
Sumiju Platec Co., Ltd. 731-1 Naganumahara-cho, Inage-ku, Chiba-shi, Chiba Prefecture 263-0001
Business activities
Design and drafting of technical drawings for plastic processing machines
TEL
+81-(0)43-420-1558
FAX
+81-(0)43-420-1587
Sumiju Logitech Co., Ltd. 731-1 Naganumahara-cho, Inage-ku, Chiba-shi, Chiba Prefecture 263-0001
Business activities
Manufacturing of plastic processing machines and related equipment, shipping operations and maintenance of facilities
TEL
+81-(0)43-420-1680
FAX
+81-(0)43-420-1676
5-2 Sobiraki-cho, Niihama, Ehime Prefecture 792-0002
Business activities
Manufacturing and sales of metal rolls
TEL
+81-(0)897-32-6485
FAX
+81-(0)897-32-6546
8230 Tamashima Otoshima, Kurashiki, Okayama Prefecture 713-8103
Business activities
Design, manufacturing, installation, sales, repair, import, and export of machine tools, coolant equipment, and precision components
TEL
+81-(0)86-525-6280
FAX
+81-(0)86-525-6255
8-32-16 Shin-yoshidahigashi, Kohoku-ku, Yokohama, Kanagawa Prefecture 223-8511
Business activities
Design, manufacturing, and sales of plastic extrusion machinery and add-on machinery
TEL
+81-(0)45-547-7711
FAX
+81-(0)45-547-7717

Construction Machinery

ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025
Business activities
Manufacturing and sales of hydraulic excavators and road construction machinery
TEL
+81-(0)3-6737-2600
FAX
+81-(0)3-6866-5112
6F Sumitomo Fudosan Ueno Bldg, 9-3, Higashi Ueno 6-chome, Taito-ku, Tokyo 110-0015
Business activities
Manufacture, repair and sales of construction equipment such as crawler cranes, and other auxiliary equipment
TEL
+81-(0)3-3845-1387
FAX
+81-(0)3-3845-1394

Industrial Machinery

ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025
Business activities
Manufacturing and sales of turbines, pumps, and other industrial machinery
TEL
+81-(0)3-6737-2630
FAX
+81-(0)3-6866-5120
5th Floor Sumitomo Fudosan Hibiya Building, 8-6 Nishishimbashi 2-Chome, Minato-Ku, Tokyo 105-0003
Business activities
Design, manufacture and sales, as well as modifications, repairs, inspections and maintenance of material handling systems and general industrial machinery.
TEL
+81-(0)3-6891-2160
FAX
+81-(0)3-6891-2194
2-75 Daito-cho, Obu, Aichi Prefecture 474-8555
Business activities
Manufacturing and sales of forklifts and logistic equipment
TEL
+81-(0)562-48-5251
FAX
+81-(0)562-48-5396
1501 Imazaike, Saijo, Ehime Prefecture 799-1393
Business activities
Nondestructive inspections and technical service for using accelerators (Cyclotrons); sterilization and modification services for medical devices and various containers using electron beam irradiation
TEL
+81-(0)898-65-4868
FAX
+81-(0)898-65-4547
SHI Accelerator Service, Ltd. Nissho Building, 1-17-6 Osaki, Shinagawa-ku, Tokyo 141-0032
Business activities
Operation and maintenance of accelerators
TEL
+81-(0)3-5434-8468
FAX
+81-(0)3-5434-2346

Ships

Sumiju Yokosuka Kogyo Co., Ltd. 19 Natsushima-cho, Yokosuka-shi, Kanagawa Prefecture, 237-8555
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
TEL
+81-(0)468-69-1707,1682
FAX
+81-(0)468-69-1648
Sumitomo Heavy Industries Marine & Engineering Co., Ltd. ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025
Business activities
Sales, design, manufacturing, modification, scrapping, and repair of ships (excluding naval vessels); other vessel and marine engineering services
TEL
+81-(0)3-6737-2620
FAX
+81-(0)3-6866-5169

Environmental Facilities & Plants

4-2-30 Shioe, Amagasaki, Hyogo Prefecture 661-8510
Business activities
Manufacturing and sales of food machinery
TEL
+81-(0)6-6718-6150
FAX
+81-(0)6-6718-6151
Sumiju Environmental Technologies, Ltd. Nishigotanda ES Building, 7-25-9 Nishigotanda, Shinagawa-ku, Tokyo 141-0031
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
TEL
+81-(0)3-6737-2820
FAX
+81-(0)3-6866-5201
SHI AIRPORT SYSTEM CO,LTD. Kansai International Airport Purification Center, 1 Senshu-Kukominami, Sennan, Osaka Prefecture 549-0021
Business activities
Maintenance, operation, and management of water utility facilities, environmental hygiene facilities, and pollution prevention facilities
TEL
+81-(0)724-56-6255
FAX
+81-(0)724-56-6257
Nishigotanda ES Building, 7-25-9 Nishigotanda, Shinagawa-ku, Tokyo 141-0031
Business activities
Engineering, design, manufacturing, construction, and after-sales service for facilities related to dust collectors, evaporators, crystallization equipment, magnetic separators, and paper pulp
TEL
+81-(0)3-6737-2890
FAX
+81-(0)3-6866-5212
Lucid Square GOTANDA, 7-10-4 Nishigotanda, Shinagawa-ku, Tokyo 141-0031
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; 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
TEL
+81-(0)3-6737-2700
FAX
+81-(0)3-6635-5708
1501 Imazaike, Saijo, Ehime Prefecture 799-1393
Business activities
Design, Manufacture, Sales, Installation, Modification, Repair, Maintenance and Engineering of chemical machines, coke oven machines and compnents, and steel structures
TEL
+81-(0)898-64-6936
FAX
+81-(0)898-64-6977
4-2-30 Shioe, Amagasaki, Hyogo Prefecture 661-8510
Business activities
Manufacturing and sales of industrial machinery, environmental equipment, air conditioning equipment, and construction materials
TEL
+81-(0)6-6499-5551
FAX
+81-(0)6-6499-7627

Others

Izumi Support Corporation ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025
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
TEL
+81-(0)3-6737-2666
FAX
+81-(0)3-6866-5166
Sumitomo Heavy Industries Business Associates, Ltd. ThinkPark Tower, 1-1 Osaki 2-chome, Shinagawa-ku, Tokyo 141-6025
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
TEL
+81-(0)3-6737-2445
FAX
+81-(0)3-6866-5102
Ueno NS Building, 3-18-10 Motoasakusa, Taito-ku, Tokyo 111-0041
Business activities
Consignment of various software; sales of secondary system equipment
TEL
+81-(0)3-5828-9230
FAX
+81-(0)3-5828-9229