• Austral Asia Lines BV.
• BBC Chartering & Logistic GmbH & Co. KG
• Briese Schiffahrts GmbH & Co. KG
• Columbia Shipmanagement Ltd.
• Donnelly Tanker Management Ltd.
• Feederlines B.V.
• German Tanker Shipping GmbH & Co.
• Hartmann Logistik GmbH
• Hartmann Schiffahrts GmbH & Co. KG
• Intership Navigation Co. Ltd
• Maritime Transport + Logistik GmbH & Co. KG
• Peak Shipping AS
• Seychelles Petroleum Co.Ltd.
• UBC - United Bulk Carriers Ltd.
• UCT - United Chemical Transport GmbH
• UPT - United Product Tankers GmbH & Co. KG