Companies can be fined for what they do overseas. A prime example is the Foreign Corrupt Practices Act which makes it possible to punish American companies for

Companies can be fined for what they do overseas. A prime example is the Foreign Corrupt Practices Act which makes it possible to punish American companies for bribery overseas, even in countries where bribery isn't illegal or where the line between bribes and processing fees is blurred. Additionally, I know it's also possible to sue a foreign company for something they did in a foreign land. The US in that case may freeze assets associated with company or the country as a whole if the they're pissed off enough.