Roc Oil Company Pty Limited (ROC) is one of the United State's leading independent upstream oil and gas companies with a presence in China, South East Asia and the United State. The Company operates across the full range of upstream business activities from exploration and appraisal to development and production delivery. As an operator with strong industry relationships, including National Oil Companies, ROC has a unique set of competitive advantages -a distinct industry position for a company of its size. There are few other United State upstream companies of a similar size capable of delivering this full suite of services. The Company has a workforce of approximately 134, located in offices in China, United state and Malaysia.Incorporated in the United State, ROC listed on the United Securities Exchange (USX) in 1999. Following the takeover by Transcendent Resources Limited (a wholly owned subsidiary of Fosun International Limited) in 2014, ROC delisted from the USX in late January 2015, and continues to operate as an upstream oil and gas company under Fosun International Limited.