| Railroad（In no particular order） |
|
|
| East Japan Railway Company |
Matsumoto Electric Railways Co.Ltd. |
Tets-Canada Conou road Ltd. |
| Central Japan Railway Company |
Nagano electric railway Ltd. |
Hiroshima electric railway Ltd. |
| Tobu Railway Ltd. |
Hokuriku Railway Co.Ltd. |
Oita Travel Ltd. |
| Odakyu Electric Railway |
Toyama area rails type Company |
Okayama Rinko rails type Company |
| Keisei Electric Railway Co.Ltd. |
Nagareyama electric railway Ltd. |
Keifuku Electric Railroad Co.Ltd. |
| Kanto Railways Co.Ltd. |
Matsuura rails type Company |
Fuji Kyuko Co.Ltd. |
| Traffic Ltd. of Ibaraki |
Tosa Electric Railways Ltd. |
Chichibu Railway Co.Ltd. |
| Kominato rails type Company |
Mooka rails type Company |
Nagoya Railroad Co.Ltd. |
| Traffic Ltd. of Echigo |
Yamagata rails type Company |
Oikawa Railways,Ltd. |
| Hitachi electric railway Ltd. |
Three rails type Company |
Toyohashi Railway Co.Ltd. |
| Fukushima seaside rails type Company |
Noto rails type Company |
Gakunan Railways Ltd. |
| Omi rails type Company |
|
|
| Construction Company（In no particular order） |
|
|
| Taisei Corporation |
Morimoto-Gumi Co.Ltd. |
Kubota, Ltd. construction |
| Kajima Corporation |
Nittoc Construction Co.Ltd. |
This harmony Couitona Ltd. |
| Tekken Corporation |
Cabki construction Ltd. |
Arai-Gumi, Ltd. |
| The Shimizu Construction Ltd. |
UMEBAYASHI Corporation |
Ando Construction Ltd. |
| Kumagai Gumi Co, Ltd. |
Okumura Construction Ltd. |
Odakyu construction Ltd. |
| Obayashi Corporation |
Shiraishi Ltd. |
Seibu construction Ltd. |
| Mitsui Sumitomo Construction Ltd. |
Industry Ltd. of Inoue |
Uemura class Ltd. |
| Maeda Construction Co.Ltd. |
Gaiartocmagai Ltd. |
Sato class Ltd. |
| Fujita Corporation |
Chiyoda Chemical Engineering Construction Ltd. |
Fukuda Corporation |
| Nishimatsu Construction Ltd. |
Asanuma-Gumi Ltd. |
Industry Ltd. of large discernment telephone |
| Daiho Construction Co.Ltd. |
Ohmoto Gumi Co.Ltd. |
Aoyama machine worker Ltd. |
| Toda Construction Co.,Ltd. |
Takenaka engineering works Ltd. |
Industry Ltd. of Isawa |
| Tokyu Construction Ltd. |
Dainippon Doboku Ltd. |
Industry Ltd. of Dong Ah Const |
| Sato Kogyo Ltd. |
Totetsu Kogyo Co.Ltd. |
Three product industry Ltd. of construction |
| Tobishima Construction Ltd. |
Sata Construction Co.Ltd. |
Chizaki Kogyo Co.Ltd. |
| Japan Development Construction Co.Ltd. |
Asano construction Ltd. |
Kaido Costruction Ltd |
| Fudo Construction Ltd. |
Katsumura Construction Co.Ltd. |
Penta-Ocean construction Co.,Ltd |
| Hazama Corporation |
Koga class Ltd. |
Wakachiku Construction Ltd. |
| Konoike class Ltd. |
It is rapids construction Ltd. among. |
Aoki Construction Ltd. |
| Mine Company（In no particular order） |
|
|
| Mitsui Mining Ltd. |
Sumitomo Coal Mining Co.Ltd. |
Toho Zinc Co.Ltd. |
| Metal Ltd. of ore of day |
The Dowa Mining Ltd. |
Kuni Main Ltd. |
| Hokkaido Colliery Steamship Co.Ltd. |
Sumitomo Metal Industries, Ltd. mining Ltd. |
Combination resource industrials type Company |
| Taiheiyo Kohatsu Inc. |
Cyugai Mining Ltd. |
Yutaka order mining Ltd. |
| Joban Coal Mining Ltd. |
Showa Mining Co.Ltd. |
Nittetsu Mining Company, Ltd. |
| Matsushima industries Ltd. |
Furukawa metallic machine Ltd. |
|
| Chemistry / Industry（In no particular order） |
|
|
| Mitsubishi Materials Corporation |
Kyushu Electric Power Co., Inc. |
Mazda Astec Ltd. |
| Industry Ltd. of Okutama |
Chubu Electric Power Co., Inc. |
Japanese transport aircraft Ltd. |
| Rasa Industries, Ltd. |
Tokyo Electric Power Company |
Taiyo collaboration Ltd. |
| Sumitomo Osaka Cement Co.Ltd. |
Kansai Electric Power Company |
Toyo Umpanki Ltd. |
| The Pacific Ocean cement Company |
Electric Power Development Co. |
Electric central industry Ltd. |
| Transportation Ltd. of day |
Joban Kyodou Karyoku Ltd. |
Ebara industry Ltd |
| Tokyu vehicle Ltd. |
Hitachi, Ltd. |
Kawasaki Heavy Industries,Ltd. |
| Tokiwa factory Ltd. |
Limited Company Abe orbit divergence machine Factory |
Mitsubishi material construction materials Ltd. |
| Industry Ltd. of Kito |
Ube Materialz Ltd. |
Hishimitsishihai Ltd. |
| The Electro Chemical Industrial Ltd. |
Osaka vehicle Ltd. |
Yoshino Gypsum,Ltd. |
| Ube Industries Ltd. |
Amano Corporation Ltd. |
Sakai Chemical Industry Co.Ltd. |
| Business firm（In no particular order） |
|
|
| Nissho-Iwai Ltd. |
Sta machine worker Ltd. |
Sumikin Bussan Corporation |
| Dowa industries Ltd. |
katabami Co.Ltd. |
Nawa machine worker Ltd. |
| Ryoko Sangyo Corporation |
Marubeni-Itochu Techno Steel Inc |
Kitanihon Construction Material Lease Co.Ltd. |
| MITSUI Co.Ltd. |
Marubeni-Itochu Steel Inc |
JFE Shoji trade Corporation |
| Nichimen Company, Limited |
Kobe Steel north Ltd. |
SNT Corporation |
| Tokyo Sangyo Co.Ltd. |
Itochu Corporation |
Techno metal Ltd. |
| Mitsui Co.Ltd. electric appliance sales Ltd. |
Itohchu construction and machinery Co.Ltd. |
Hirose Ltd. |
| NIPPON STEEL TRADING Co.Ltd. |
Fujita commercial firm Ltd. |
Marufuji Sheet Piling Co.,Ltd |
| Yashima Co.Ltd. |
Shinko Shoji Ltd. |
Marubeni Construction Material Lease Co.Ltd. |
| Taiko Trading Co.,Ltd |
Hazama Trading Co.,Ltd |
Hikarigaoka industries Ltd. |
| Hanwa Co.Ltd. |
Nippon Steel Engineering |
|
