Navistar International Corp. (NYSE: NAV) is a holding company whose individual units provide integrated and best-in-class transportation solutions. Based in Lisle, Ill., the company produces International® brand commercial and military trucks, MaxxForce® brand diesel engines, and IC Bus™ brand school and commercial buses. An affiliate also provides truck and diesel engine service parts. Another affiliate offers financing services. The International® ProStar® with Cummins ISX15 and International® TerraStar.