Taken from Occidental's 2012 annual video
Sterling Resources Ltd. is a Canada based energy company actively engaged in the exploration, development and production of crude oil...
SOCO International Plc explores and produces oil and gas. The company has interests in Vietnam, Thailand, the Republic of Congo...
Occidental Petroleum Corp.
10889 Wilshire Boulevard
Los Angeles , CA 90024-4201
SIC Code: 1311