You know, large companies do work around the world. That is how they became large companies. If you were going to specialize in oil field services and mine construction, it would be pretty hard to make a dollar just doing business in the USA.
My husband actually was in the running for a job at Brown and Root/Halliburton, which would have taken him to Eastern Europe. He ended up being offered a job here in the states, or we would be one of those evil globalists right now.