- ADVANCED FIELD CORPORATION
- Address:Shimoochiai
- Owada Corporation
- Address:245-1, Kidono-cho,
- Japan Energy Resources Ltd
- Address:1309-2 Naganuma,
- Pacific Japan Mineral
- Address:Horikiri 5-5-7 Takahashi build. 4F
- Union International co.
- Address:3-7-19-104, Sugita, Isogo-ku
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