OCEAN TANKERS PTE LTD
OCEANRING MARINE PTE LTD
OHC SHIPMANAGEMENT PTE LTD
OLDENDORFF CARRIERS (SINGAPORE) PTE LTD
OOCL (SINGAPORE) PTE LTD
OSM MARITIME SHIP MANAGEMENT PTE LTD
OSM SHIP MANAGEMENT PTE LTD
OXALIS SHIPPING CO PTE LTD