As of April 1, 2020
Group Companies（Domestic）
| Company's Name | Address | TEL |
|---|---|---|
| Hokkaido Hitachi Systems, Ltd. | 3-11 Odori-nishi, Chuo-ku, Sapporo-shi, Hokkaido 060-0042 |
+81 11 281 7311 |
| Shikoku Hitachi Systems, Ltd. | 5-31 Chuo-cho, Takamatsu-shi, Kagawa 760-0007 |
+81 87 862 2929 |
| Kyushu Hitachi Systems, Ltd. | 2-12-22 Hakataeki-minami, Hakata-ku, Fukuoka-shi, Fukuoka 812-0016 |
+81 92 434 9291 |
| Hitachi Systems Engineering Services, Ltd. | 2-2-1 Minatomirai, Nishi-ku, Yokohama-shi, Kanagawa 220-8132 |
+81 45 228 4141 |
| Hitachi Systems Field Services, Ltd. | 3-5-25 Etchujima, Koto-ku, Tokyo 135-0044 |
+81 3 5621 2920 |
| Hitachi Systems Power Services, Ltd. | 1-2-3 Shibaura, Minato-ku, Tokyo 105-0023 |
+81 3 6757 1111 |
| Hitachi Systems Networks, Ltd. | 1-2-2 Osaki, Shinagawa-ku, Tokyo 141-0032 |
+81 3 5740 2311 |
| SecureBrain Corporation | 3-12 Kioi-cho, Chiyoda-ku, Tokyo 102-0094 |
+81 3 3234 3001 |
Group Companies（Overseas）
| Company's Name | Address | TEL |
|---|---|---|
| Cumulus Systems Inc. | 1901 S Bascom Avenue, Suite 1350 Campbell, CA 95008 |
+1 650 934 1108 |
| Cumulus Systems Private Ltd. | 502, S. R. IRIZ Baner-Pashan Link Road, Pashan Pune 411021 |
+91 20 46770619 |
| Hitachi Sunway Information Systems Sdn. Bhd. | Level 11, The Pinnacle Persiaran Lagoon, Bandar Sunway 47500 Petaling Jaya Selangor Darul Ehsan Malaysia |
+603 5639 9911 |
| Hitachi Sunway Information Systems (Singapore), Pte. Ltd. | 140 Paya Lebar Road #06-01/02 AZ @ Paya Lebar Singapore 409015 |
+65 6718 2300 |
| Hitachi Sunway Information Systems (Thailand), Ltd. | 252/21 Unit E, 17th Floor, Muang Thai-Phatra Office Tower I, Rachadaphisek Road, Huaykwang Subdistrict, Bangkok 10310 Thailand |
+66 2 693 2090 |
| PT. Hitachi Sunway Information Systems Indonesia | Wisma Korindo, 4th Floor, Unit #401 Jl. MT. Haryono Kav. 62, Pancoran, Jakarta Selatan 12780, Indonesia |
+6221 7918 6020 |
| Hitachi Systems Vietnam Company Ltd. | 4F, Detech Tower, 8C Ton That Thuyet, My Dinh II, Nam Tu Liem District, Hanoi, Vietnam |
+84 24 3971 4009 |
| Hitachi Sunway Data Centre Services Sdn. Bhd. | Level 11, The Pinnacle Persiaran Lagoon, Bandar Sunway 47500 Petaling Jaya Selangor Darul Ehsan Malaysia |
+603 5639 9911 |
| Hitachi Systems Micro Clinic Pvt. Ltd. | E-44/2, Okhla Industrial Area, Phase ‒ II, New Delhi -110 020, India |
+91 11 4925 0700 |
| Hitachi Systems Network Technologies, Pte. Ltd. | 150 Kampong Ampat KA Centre, #05-02 Singapore 368324 |
+65 6844 1678 |
| Hitachi Systems Security Inc. | 955 Michèle-Bohec Blvd., Suite 244, Blainville (Québec) J7C 5J6, Canada | +1 450 430 8166 |
| Hitachi Systems Security USA, Inc. | 6431 Longhorn Dr. Irving, Texas 75063, United States of America | +1 450 430 8166 |
| Hitachi Systems Security Europe SA | Technopôle 5, 3960 Sierre, Switzerland | +41 27 455 00 22 |
| Hitachi Systems Security Mexico S.A.P.I.DE C.V. | Av. Parque Chapultepec No. 56 Piso 3, Col. El Parque, Naucalpan, Edo. de Mex C.P. 53398, Mexico | +52 55 2794 0629 |
Hitachi Systems provides true one-stop services covering all areas of the IT life cycle: from system consulting, to building, installation, operation, and maintenance.
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