< PrevNext > 26. BCG Boston Share 2016 U.S.-Booked Air Volume: $135 millionConsolidated U.S. TMC: Amex GBTManagement consulting firm BCG upped travel spending in 2016 as revenue and headcount increased. That includes a $22 million increase in U.S.-booked air volume to a BTN-estimated $135 million. The firm reported global sales of $5.6 billion in 2016, up from $5 billion the prior year. BCG reported more than 14,000 employees in 2016, an increase of 2,000. The firm has 85 offices in 48 countries.