• PT Wintermar, subsidiary of the Company, was incorporated, obtaining one out of the nine offshore shipping licences awarded in Indonesia


  • The Company continued business in the logging industry


  • 1991: Started newbuilding program to renew and maintain young fleet
    1992: PT Wintermar obtained first oil and gas contract with international oil company client, PT Virginia Oil Company


  • 1995: The Company was originally established under the name of PT Swakarya Mulia Shipping
    PT Wintermar won first tender from Chevron
    1999: Obtained ISM (International Safety Management Code) Certified by ABS
    1999: Obtained ISM Certified by BKI


  • 2001: Obtained ISM Certified by BKI
    2003: Obtained ISO 9000-2001 Certified by ABS
    2003: Relocated shore based personnel to new and larger office premises
    2004: Obtained ISPS Certified by BKI
    2004-2006: Invested in IT to interface onshore and offshore operations


  • 2007-2009: Divested low tier/low value-added vessels. Expanded fleet of specialized offshore vessels
    2008-2009: Restructured companies in preparation for IPO
    2009: Started building office extension to accommodate growth in head office and crew training / Secured and constructed a new site for office expansion
    2009: Invested in crew mess for crew undergoing onshore training/Acquired a new site to be developed into a Crew Training Center


  • 2010: The group acquired the first 2 PSVs under the Indonesian flag
  • 2010: PT Wintermar Offshore Marine Tbk is listed on the Indonesia Stock Exchange (IDX)
  • 2010: Certified ISO 9001:2008 by LRQA
  • 2011: Certified ISO 14001:2004 & OHSAS 18001:2007, and integrated management system, certification by Lloyd’s Register Quality Assurance (incorporating occupational health, safety, quality, and environmental systems)/ Awarded Integrated Management System certification by Lloyd's Register Quality Assurance (LRQA) comprising quality, environmental standards, and occupational health & safety (ISO 9001:2008, ISO 14001:2004, OHSAS 18001:2007).
  • 2011: Signed loan agreement with DEG (Deutsche Investitions-und Entwicklungsgesselschaft mbH - Germany), with Bank Mandiri and IFC (International Finance Corporation-World Bank Group).
  • 2011: Obtained long term loans from DEG, Bank Mandiri and IFC
  • 2011: Acquired two units AHTS vessel and 11 units of other types of offshore vessels
  • 2011: Establishment of new subsidiaries: PT Win Offshore, PT Winpan Offshore, PT WM Offshore