In the U.S., the term ¿big oil co.¿ is likely to be taken to mean the major private international oil co., largely based in Europe or America. However, while some of those co. are indeed among the largest in the world, a majority of the largest oil co. are state-owned, national oil co. (NOC). NOC hold the majority of petroleum reserves and produce the majority of the world¿s supply of crude oil. NOC hold exclusive rights to exploration and development of petroleum resources within the home country, they also can decide on the degree to which they require participation by private co. in those activities. Contents of this report: Market Position of NOC; Objectives and Characteristics of NOC; Policy Analysis. Tables. This is a print on demand report.