So far, U.S. sanctions designed to punish Vladimir Putin for his aggression in the Ukraine have targeted Russian individuals and companies.
The Obama White House might well look closer to home for ways to hurt the Russian economy.
The interactive Muckety map above shows some of the major companies with Russian operations or subsidiaries.
Each, according to queries of USASpending.gov data, has done more than $1 billion in business with the U.S. federal government since 2009.
General Motors, one of the companies on our list, also received a $49.5 billion bailout from the U.S. government after the 2008 financial meltdown. GM announced last month that it was reassessing whether to go ahead with a planned expansion of its plant near St. Petersburg. The company blamed a slump in the Russian auto market.
Tyson Foods, also on the list, saw a dip in its stock price last month after Russia banned imports of U.S. food. The ban was in response to U.S. sanctions.