No they won't, for companies that are located in other countries to compete they would've to rebuild their entire infrastructure in the U.S which would potentially bankrupt them. Sure the U.S has the largest economy in the world, but the rest of the world put together is still larger. If you force them like this, they may just do the same thing to American, and then we're all screwed.
Your scare tactics only work against the ignorant. Those who can think back a few years can instantly see past your smoke and mirrors. Incidently, are you a corporate official, or are you a lobbyist for a foreign nation?