3-25-9 Hatchobori, Chuo-ku, Tokyo 104-0032 JAPAN Tel: +81-3-3553-3949 Fax: +81-3-3553-3979

■Keiyo Base (Chiba Branch) 222-17 Shinminato, Mihama-ku,Chiba-shi, Chiba 261-0002 Japan Tel: +81-43-247-1221 Fax: +81-43-247-1295 Diving Center  (Facilities) ・Diving system Simulator ・Testing Pool (5m)

■Oita Base (Oita Branch) 4954-20 Minamihata, Yamaga-machi, Kitsuki-shi, Oita 879-1314 Japan Tel: +81-977-73-2280 Fax: +81-977-73-2290
Technical Development Center (Facilities and Equipments) ・Testing Pool (5m) ・ROV ・Dredging Machine ・Trencher System

■Okinawa Branch 3-1-6 Tomari, Naha-shi, Okinawa 900-0012 JAPAN Tel: +81-98-868-8130 Fax: +81-98-861-6189

■Tohoku Office 2-29 Aza-Mimigahoi, Ooaza-Doubutsu, hashikami-cho, Sannohe-gun, Aomori 039-1201 JAPAN Tel: +81-178-80-1751 Fax: +81-178-80-1752

■Mutsu-Ogawara Base 133-66 Hachazawa, Takahoko, Rokkasho, Aomori 039-3213 JAPAN Tel: +81-175-72-3639 Fax: +81-175-72-3629

■Fukui Base 22-50-16 Kurome, Mikunicho, Sakai-shi, Fukui 913-0037 JAPAN Tel: +81-776-89-1312 Fax: +81-776-89-1318

■Kushikino Office 195-2 Higashienden-cho, Ichikikushikino-shi, Kagoshima 896-0006 JAPAN Tel: +81-996-32-6161 Fax: +81-996-32-6184

■Singapore Office / OCEAN WORKS ASIA PTE LTD.(SINGAPORE)        23 Jurong Port Road, Eng Lee Logistics, Singapore 619096 TEL. +65-6570-5088 FAX. +65-6570-5091    Map

■Bangkok Office        54 B.B. Building, 9th Floor, Room 3909, Sukhumvit 21 (Asoke) Klongtoey Nua, Wattana, Bangkok 10110 Thailand TEL. +66-2-258-2865/2866/2867 FAX. +66-2-258- 2868    Map

■Songkhla Office 28 Sadao Road, Tambon Boryang, Amphur Muang, Songkhla 90000 Thailand TEL. +66-74 323531/323715

■Jakarta Office OWA Indonesia (PT. TRIJAYA TIRTA MUSTIKA) The Garden Centre Building 5-10, 5th Floor, Jl. Cilandak KKO, Cilandak, Jakarta Selatan 12560, Indonesia TEL. +62-21-7884-1129 FAX. +62-21-7884-1128