Navistar International Corporation (Other OTC: NAVZ) is a holding company whose wholly owned subsidiaries produce International® brand commercial and military trucks, MaxxForceâ„¢ brand diesel engines, IC brand school and commercial buses, and Workhorse brand chassis for motor homes and... more

International Truck and Engine Corporation is the operating company of Navistar International Corporation (NYSE: NAV). International Truck and Engine is a leading producer of mid-range diesel engines, medium trucks, school buses, heavy trucks, severe service vehicles, and parts and... more

Detroit Diesel Corporation is a leading manufacturer of on-highway diesel engines for the commercial truck market. Headquartered in Redford, Mich., Detroit Diesel Corporation is engaged in the design, manufacture, sale and service of these products, in addition to supporting alternative... more

International is a leading diesel-engine maker. In North America, it has nearly a 50 percent share of the diesel pickup engine market and 40 percent of the market for medium-duty commercial trucks and buses. In South America, it accounts for nearly 40 percent of all diesel engines... more

IC Corporation, headquartered in Warrenville, Ill., is an affiliate of Navistar International Corp. The nation's largest integrated manufacturer of school buses, IC Corporation is a leader in passenger protection, chassis design, engines and ergonomics. The company is also a leading... more

Hypermax Engineering is a leading manufacturer of high performance Ford diesel engine parts and accessories for Ford F-Series trucks Ford Excursions and Ford vans powered by the International Power Stroke diesel engine