SOS International, which skyrocketed in size following the Sept. 11, 2001 terrorist attacks, is seeking to continue to grow, this time through a mix of organic growth and new acquisitions. The company has come to increased prominence in recent months because of its work supporting the U.S. military in Iraq as it fights the Islamic State of Iraq and the Levant, but its roots date back to 1989. The company got its start providing linguists for federal law enforcement agencies...