< PrevNext > 94. Emerson Ferguson, Mo. Share 2015 U.S.-Booked Air Volume: $49 millionBTN estimates U.S.-booked air volume in 2015 dipped slightly year over year at manufacturing conglomerate Emerson. For the 12 months ending Sept. 30, 2015, the company gained $22.3 billion in revenue, down about 9 percent from 2014. Net earnings increased 26 percent to $2.7 billion. Emerson averaged 110,800 employees during its 2015 fiscal year, down from 115,100 the previous 12 months. The company uses Carlson Wagonlit Travel and American Express Global Business Travel for travel services throughout the world.