Navistar International Corporation (NIC) is a holding company that operates through its principal operating subsidiaries, Navistar, Inc. and Navistar Financial Corporation (NFC). The Company is a manufacturer of commercial trucks, IC Bus, LLC (IC) brand buses, MaxxForce brand diesel engines, Workhorse Custom Chassis, LLC (WCC) brand chassis for motor homes and step vans, Navistar Defense, LLC military vehicles, and a provider of service parts for all makes of trucks and trailers. Additionally, NIC is a designer and manufacturer of diesel engines for the pickup truck, van, and sport utility vehicles (SUV) markets. The Company also provides retail, wholesale and lease financing of its trucks. The Company operates in four segments: Truck, Engine, Parts (collectively called manufacturing operations), and Financial Services, which consists of NFC and its foreign finance operations (collectively called financial services operations).