PT AFRY INDONESIA (PT POYRY INDONESIA)

DEWAN PENGURUS NASIONAL

BOTEK BOSPHORUS TECHNICAL CONSULTING CORP.

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PACIFIC CONSULTANTS CO., LTD.

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NIHON SUIDO CONSULTANTS CO. LTD.

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SMS GROUP GMBH

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IDES INC.

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WOLFERSTAN TROWER INDONESIA

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PT KPMG SIDDHARTA ADVISORY

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PT SINOTECH ENGINEERING INDONESIA

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PT.DACREA DESIGN AND ENGINEERING CONSULTANTS

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PT. WORLEY SEA INDONESIA

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NTT FACILITIES INC

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PT HASKONING INDONESIA

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HANMIGLOBAL CO., LTD

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PT. RINA INDONESIA

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