
Companies involved in the production and refining of oil and gas, the provision of oilfield services and equipment, and the operation of pipelines. The sector also includes businesses engaged in the mining of thermal coal and uranium. UK‑listed companies in this sector include BP plc, Royal Dutch Shell plc, Tullow Oil plc, Harbour Energy plc, Petrofac Ltd and National Grid plc.
Clarkson PLC (LON:CKN), the world’s leading provider of integrated shipping services, has announced that CFO & COO, Jeff Woyda, has informed the Board of his intention to retire, having served..


































