The ratings on Oshkosh Truck Corp. reflect the company's aggressive financial profile, which more than offsets its leading positions in key segments of the specialty vehicle market, as well as its satisfactory product and end-market diversity. The Oshkosh, Wis.-based company is a leading designer, manufacturer, and marketer of a broad range of specialty commercial, fire and emergency, and military vehicles. The company maintains leadership positions in heavy-duty rescue vehicles, severe-duty tactical trucks, custom and commercial pumpers, severe-duty plow and snow removal vehicles, concrete mixers, refuse truck bodies, and tow trucks. It is also the world's largest aerial work platform manufacturer. As a result of the JLG Industries Inc. acquisition in late 2006, Oshkosh has improved product, end-market, and geographic diversity,