Main companies that hail from the US are Amazon, Walmart, Microsoft, Pepsi co, Apple, Ford Motors, General Motors, JP Morgan Chase, Citi Grp, AT&T, Pfizer, P&G, Boeing, IBM, Tesla, and many more. The top exports of the United States are Petroleum Products , Cars and vehicle parts , Integrated Circuits, Food and beverages, Machinery including computers , Electrical machinery, and equipment . The top imports of the United States are Computers, telecommunications equipment and semiconductors. Crude oil, finished metal , chemicals and plastics. U.S. Customs and Border Protection (CBP) is charged with regulating and facilitating international trade, collecting import duties, and enforcing U.S. regulations, including trade, customs, and immigration. 12