AM General
JLG Industries
Pierce Manufacturing
Caterpillar Inc.
Navistar
Kenworth
Sterling Trucks
Peterbilt
Western Star Trucks
Mack Trucks
Autocar Company
Hummer
Detroit Diesel
American industrial company
oshkoshcorp.com
Oshkosh Corporation, formerly Oshkosh Truck, is an American industrial company that designs and builds specialty trucks, military vehicles, truck bodies, airport fire apparatus, and access equipment. Wikipedia
More on Yahoo Finance