- PT. Ekarya Ocean Engineering
- Address:Plaza Pacific B3 / 70 North Jakarta Contact: 081219457295, Pin BB: 32EE816E, Fax: 021-3521079. Jakarta Jakarta Timur 13120 Indonesia
- Denko Wahana Sakti Corporation
- Address:Embong Malang No 71 B - C Surabaya Jawa Timur 60176 Indonesia
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