A diminished greenback could signify diminished confidence in the U.S. as foreign investors grow more wary over the country's fiscal and economic outlook.

CNBC Pro screened data from FactSet to find the S&P 500 companies that generate the highest percentage of total sales outside of the U.S.

A diminished greenback could signify diminished confidence in the U.S. as foreign investors grow more wary over the country's fiscal and economic outlook.