List of Business Points
Head Office
| Head Office | Sumitomo Fudosan Osaki Twin Bldg. East, 5-1-18, Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan 81-3-3443-7111   |
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| Shizuoka Plant | 500, Kitawaki, Shimizu-ku, Shizuoka City 424-8764, Japan 81-54-345-2251 Aircraft Equipment Division 81-54-345-9725 |
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| Haibara Plant | 3407, Sakabe, Makinohara City 421-0412, Japan 81-548-29-0711 |
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| Sagara Plant | 933-1, Sugegaya, Makinohara City 421-0514, Japan 81-548-52-5000 |
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| Fujikawa Tooling Plant | 2340, Nakanogo, Fuji City 421-3306, Japan 81-545-81-4300 |
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| Sapporo Branch | 5-1-28, Kita-33-jyo, Higashi-ku, Sapporo City 065-0033, Japan 81-11-753-2611 |
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| Kitakanto Branch | 3-1-12, Higashishukugo, Utsunomiya City 321-0953, Japan 81-28-636-4066 |
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| Tokyo Branch | Sumitomo Fudosan Osaki Twin Bldg. East, 5-1-18, Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan 81-3-3447-5161 |
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| Toyota Branch | 2-12-3, Kounosu-cho, Toyota City 471-0836, Japan 81-565-28-1129 |
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| Osaka Branch | 1-5-45, Nishinomiyahara, Yodogawa-ku, Osaka City 532-0004, Japan 81-6-6391-6731 |
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| Hiroshima Branch | 25-6, Aosakinaka, Fuchu-cho, Aki-gun 735-0016, Japan 81-82-282-1281 |
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| Sapporo Sales Office | 5-1-28, Kita-33-jyo, Higashi-ku, Sapporo City 065-0033, Japan 81-11-753-2611 |
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| Sendai Sales Office | 4-12-12, Tsutsujigaoka, Miyagino-ku, Sendai City 983-0852, Japan 81-22-256-3165 |
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| Kitakanto Sales Office | 3-1-12, Higashishukugo, Utsunomiya City 321-0953, Japan 81-28-610-5150 |
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| Ota Sales Office | 370-11, Shimohamada-cho, Ota City 373-0821, Japan 81-276-46-5113 |
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| Tokyo Sales Office | Sumitomo Fudosan Osaki Twin Bldg. East, 5-1-18, Kitashinagawa, Shinagawa-ku, Tokyo 141-0001, Japan 81-3-3447-5198 |
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| Atsugi Sales Office | 11-15, Izumi-cho, Atsugi City 243-0013, Japan 81-46-227-4911 |
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| Shizuoka Sales Office | 500, Kitawaki, Shimizu-ku, Shizuoka City 424-8764, Japan 81-54-345-8825 |
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| Nagoya Sales Office | 2-12-3, Kounosu-cho, Toyota City 471-0836, Japan 81-565-28-1714 |
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| Osaka Sales Office | 1-5-45, Nishinomiyahara, Yodogawa-ku, Osaka City 532-0004, Japan 81-6-6391-6731 |
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| Fukuoka Sales Office | 4-2-10, Hakataekiminami, Hakata-ku, Fukuoka City 812-0016, Japan 81-92-431-1066 |
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| Niigata Branch Office | 7-1555, Nishiboridori, Chuo-ku, Niigata City 951-8061, Japan 81-25-224-1271 |
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| Asaka Branch Office | 1-3-18, Hamasaki, Asaka City 351-0033, Japan 81-48-485-2300 |
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| Shizuoka Branch Office | 500, Kitawaki, Shimizu-ku, Shizuoka City 424-8764, Japan 81-54-345-2572 |
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| Okayama Branch Office | 840, Yao, Hayashima-cho, Tsukubo-gun 701-0301, Japan 81-86-292-5255 |
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| Kyushu Branch Office | 2220-1, Oaza-yobaru, Kandamachi, Miyako-gun 800-0323, Japan 81-93-383-8563 |
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| Detroit Office | c/o North American Lighting, Inc. 36600 Corporate Drive Farmington Hills, Michigan 48331, U.S.A. 1-248-553-6408 |
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| Seattle Office | c/o Sojitz Corporation of America Columbia Center, Suite 1160, 701 5th Avenue, Seattle, Washington 98104, U.S.A. 1-206-386-5624 |
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| R&D Lab in Silicon Valley |
c/o 530 Lakeside Drive, Suite 280, Sunnyvale, California 94085, U.S.A. 1-408-819-5014 |
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