UTC's operating units include businesses with operations throughout the world. Otis, Carrier and Chubb serve customers in the commercial and residential property industries worldwide. Carrier also serves commercial, industrial, transport refrigeration and food service equipment customers. Pratt & Whitney, Hamilton Sundstrand and Sikorsky Aircraft primarily serve commercial and government customers in the aerospace industry and also serve customers in industrial markets. For 2004, commercial and industrial revenues generated by UTC (principally Otis, Carrier and Chubb operations) were 64 percent of UTC's consolidated revenues, and military aerospace and commercial aerospace revenues were each approximately 18 percent of UTC's total revenues. Revenues for 2004 from outside the United States, including U.S. export sales, were 59 percent of UTC's total segment revenues.

http://www.sec.gov/Archives/edgar/data/101829/000119312505025271/d10k.htm#tx58532_1