[Alberta's Child]

I think Unocal was originally incorporated in the U.S. (Unocal stands for Union Oil of California, I believe).

But that has nothing to do with where its assets are located. The U.S. government has no legitimate role in overseeing the ownership of a company's assets overseas.

[Eric in the Ozarks]

Unocal long ago ditched its refineries, gas stations and even the "76" logo to other owners. Most of their management people are based out of Houston and their crude gathering activities are in Indonesia, Thailand, Burma, etc.