Complex sentence: It manufactures the vast majority of its shoes in the United States and several pairs in Italy, and is thus one of three American shoe companies, the others being Alden and Johnston & Murphy, that still make men's dress shoes domestically.
Split into simpler sentences: It manufactures the vast majority of its shoes in the United States and several pairs in Italy. It is one of three American shoe companies, the others being Alden and Johnston & Murphy, that still make men's dress shoes domestically.