About 10 min. walk from JR Ryogoku station
About 5 min. walk from Oedo Subway Ryogoku Station A-5

BR Ryogoku-2 Build. 1-21-10 Midori Sumida-ku Tokyo 130-0021 3F-8F [Google]

TEL:

+81-3-3634-5307 (Administration Dept. / Corporate Planning Div.)

+81-3-3634-3525 (Acoustic Design & Construction Div.)

+81-3-3634-5300 (Acoustic Solution Div.)

+81-3-3634-5309 (Data Science Div.)

+81-3-3634-3526 (Noise Improvement＆Construction Div.)

FAX:

+81-3-3634-5327 (Administration Dept. / Corporate Planning Div.)

+81-3-3634-5735 (Acoustic Design & Construction Div.)

+81-3-3634-5350 (Acoustic Solution Div.)

+81-3-3634-3201 (Data Science Div.)

3-42-1 Kitahanada-cho Kita-ku, Osaka 591-8002, Japan [Google]

TEL:

+81-72-230-4161 (Acoustic Design & Construction Div.)

+81-72-256-6811 (Data Science Div.)

FAX:

+81-72-256-6812 (Common)

2-9-14 Nishiki Naka-ku,Nagoya-shi,Aichi 460-0003,Japan [Google]

TEL:

+81-52-602-4682

FAX:

+81-52-602-4683

3-10-11 Tenjin Chuo-ku, Fukuokashi-shi, Fukuoka 810-0001, Japan [Google]

TEL:

+81-92-791-9651

FAX:

+81-92-791-9652

349-10 Sanno-cho Inage-ku Chiba-shi, Chiba 263-0002, Japan [Google]

TEL & FAX:

+81-43-424-1810

42-1 Roppo-cho Inage-ku Chiba-shi, Chiba 263-0004, Japan [Google]

TEL & FAX:

+81-43-306-9490