Aichi Steel Works, Ltd.
2-6 -2
Chiyoda-ku, Tokyo
- Otemachi
03-3270-0851
Hitachi Metals, Ltd.
2-1 -2
Chiyoda-ku, Tokyo
- Marunouchi
03-3284-4511
Japan Steel Works, Ltd., The
1-1 -2
Chiyoda-ku, Tokyo
- Yuraku-cho
03-3501-6111
MN Kenzai Co., Ltd.
1573 -7
Togane City, Chiba
- Konumata
0475-52-6075
Mitsui Bussan Raw Materials DevelopmentCorp.
2-6 -3
Chiyoda-ku, Tokyo
- Hitotsubashi
03-3288-2880
NKK Corp.
1-1 -2
Chiyoda-ku, Tokyo
- Marunouchi
03-3212-7111
Nichia Steel Works, Ltd.
1-8 -2
Chiyoda-ku, Tokyo
- Marunouchi
03-3213-9521
Nippon Steel Corp.
2-6 -3
Chiyoda-ku, Tokyo
- Otemachi
03-3242-4111
Nisshin Steel Co., Ltd.
3-4 -1
Chiyoda-ku, Tokyo
- Marunouchi
03-3216-5511
Pacific Metals Co., Ltd.
1-6 -1
Chiyoda-ku, Tokyo
- Otemachi
03-3201-6661
Sagawa Safe Co., Ltd.
1
Chiyoda-ku, Tokyo
- Kanda-iwamoto-cho
03-3253-4651
Sumitomo Pipe & Tube Co., Ltd.
3-23 -1
Ichikawa City, Chiba
- Sugano
047-322-3322
Steel
Ichikawa City, Chiba
Takara Kosan Ltd.
1467
Ichikawa City, Chiba
- Koya
047-327-9581
Steel
Ichikawa City, Chiba
Tokyo Steel Mfg. Co., Ltd.
2-2 -2
Chiyoda-ku, Tokyo
- Uchi-saiwai-cho
03-3501-7721
Toyo Kohan Co., Ltd.
2 -12
Chiyoda-ku, Tokyo
- Yomban-cho
03-5211-6211