The Boeing Company is a global aerospace and defense corporation that designs, manufactures, and services commercial airplanes, military aircraft, satellites, and space systems. Operating worldwide, the company serves commercial airlines and government customers in over 150 countries. Boeing is distinctive for being one of the two dominant manufacturers in the global large commercial aircraft market and a major defense contractor for the United States government.
Boeing's customer base is concentrated among the U.S. government and commercial airlines and lessors. In 2025, approximately 35% of Boeing's revenues were earned pursuant to U.S. government contracts (including Foreign Military Sales), primarily defense-related programs with the U.S. Department of War (formerly the Department of Defense) and agencies such as NASA. Non-U.S. customers, including Foreign Military Sales through the U.S. government, accounted for 46% of total revenues and 60% of Commercial Airplanes revenue from customer contracts. Commercial airplane sales are concentrated among a limited number of major airline customers and aircraft leasing companies worldwide.