U.S. industry also chafes at export restrictions.

• Position: Defense

Here's something you might not have expected to find on the U.S. munitions list: toilets.

But along with missile-guidance systems, night vision goggles, torpedoes, tanks, radars and nuclear warheads, the State Department requires a special license to export toilets if they are to be installed in military aircraft.

Zodiac of North America, the company that makes inflatable boats used by U.S. Marines, SEALs and special forces, found out the hard way.

The company also makes the kind of toilets...