< PrevNext > 68. Walmart Bentonville, Ark. Share 2015 U.S.-Booked Air Volume: $66 millionPrimary U.S. TMC: Carlson Wagonlit TravelBTN estimates that retail giant Walmart’s 2015 U.S.-booked air volume roughly held steady year over year. That stabilization comes after a few years of increases. Walmart indicated that in 2014, it generated 70,290 metric tons of carbon dioxide-equivalent emissions via its business travel in the United States and South Africa, as well as car rentals in Africa. That figure had increased by about 50 percent since 2011, likely due to more air travel and to better data collection. Total revenue for the 12 months ending Jan. 31, 2016, was $482.1 billion, down less than one percentage point from the prior 12 months. Net income from continuing operations dipped about 9 percent to $14.7 billion. Walmart had about 2.3 million associates as of Jan. 31, up from about 2.2 million the year before.