To be fair, the huge values of the oil companies are largely the result of tremendous state-owned assets that were "privatized" through backroom deals. Every up

To be fair, the huge values of the oil companies are largely the result of tremendous state-owned assets that were "privatized" through backroom deals. Every upstream oil company is effectively a set of operations and a dubiously acquired asset trove joined in one entity. If you strip out assets and talk about what the most valuable "company operation" is it's certainly Apple by a long margin.