1. Tokyu Construction Co., Ltd. - 渋谷区
1 Chome-16-14 Shibuya, Shibuya City, Tokyo 150-0002, Japan
2. Takenaka Corporation Tokyo Headquarters - 江東区
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1 Chome-1-1 Shinsuna, Koto City, Tokyo 136-0075, Japan
3. Sumitomo Mitsui Construction - 佃
2 Chome-1-6 Tsukuda, Chuo City, Tokyo 104-0051, Japan
4. Shimizu Corporation HQ - 中央区
2 Chome-16-1 Kyobashi, Chuo City, Tokyo 104-0031, Japan
5. Obayashi Corporation - 品川区
2 Chome-15-2 Konan, Minato City, Tokyo 108-0075, Japan
6. Kumagai Gumi Co.,Ltd. - 新宿区
熊谷組本社ビル, 2-1 Tsukudocho, 津久戸町 Shinjuku City, Tokyo 162-0821, Japan
7. Shimizu Corporation Tokyo Mokkoujou - 江東区
2 Chome-15-3 Kiba, Koto City, Tokyo 135-0042, Japan
8. Kajima Corporation HQ - 港区
1 Chome-3-1 Motoakasaka, Minato City, Tokyo 107-8388, Japan
9. Aomi Construction - 千代田区
住友不動産 御茶ノ水ビル, 2 Chome-2-3 Sotokanda, Chiyoda City, Tokyo 101-0021, Japan
10. Gilbane - 中央区
ASKビル 10階, 3 Chome-12-2 Nihonbashikayabacho, Chuo City, Tokyo 103-0025, Japan
11. Kajima Corp., Civil/Architectural Design Dpt. - 赤坂
KIビル, 6 Chome-5-30 Akasaka, Minato City, Tokyo 107-0052, Japan
12. (株)CBK - 中央区
1 Chome-13-10 Hatchobori, Chuo City, Tokyo 104-0032, Japan
13. Fluor Daniel (Japan) Inc. - 港区
302 1丁目-7-10 7丁目-7 7 7 7 7 7, 7 Motoakasaka, Minato City, Tokyo 107-0051, Japan
14. Lendlease - 赤坂
Akasaka Enokizaka Mori Building 3F, 1-7-1 Akasaka, Minato-ku, 3, Minato City, Tokyo 107-0052, Japan
15. Taisei Corporation - 渋谷区
新宿パークタワ 19階, 3 Chome-7-1 Nishishinjuku, Shinjuku City, Tokyo 163-1090, Japan
16. Permasteelisa Japan K.K. - 千代田区
番町會館, 12-1 Gobancho, Chiyoda City, Tokyo 102-0076, Japan
17. Bechtel International Inc. - 丸の内
Nakadori Building 2-2-3, Marunouchi, 2 Chome Marunouchi, Chiyoda City, Tokyo 100-0005, Japan
18. Fukken Engineering Co., Ltd. - 中央区
1 Chome-11-12 Nihonbashihoridomecho, Chuo City, Tokyo 103-0012, Japan
19. Kobelco Construction Machinery Co., Ltd. - 品川区
5 Chome-5-15 Kitashinagawa, Shinagawa City, Tokyo 141-0001, Japan
20. Taisei Corporation - 立川市
MK立川南ビル, 2 Chome-12-24 Shibasakicho, Tachikawa, Tokyo 190-0023, Japan