Navistar International Corporation (formerly International Harvester Company) is an American holding company, that owns the manufacturer of International brand commercial trucks, IC Bus school and commercial buses, Workhorse brand chassis for motor homes and step vans, and is a private label designer and manufacturer of diesel engines for the pickup truck, van, and SUV markets. The company is also a provider of truck and diesel engine parts and service. Headquartered in Lisle, Illinois, Navistar has 16,500 employees and a 2013 annual revenue of $10.775 billion. The company’s products, parts, and services are sold through a network of nearly 1,000 dealer outlets in the United States, Canada, Brazil, and Mexico and more than 60 dealers in 90 countries throughout the world. The company also provides financing for its customers and distributors principally through its wholly owned subsidiary, Navistar Financial Corporation.

PACCAR Inc is an American Fortune 500 company[5] and counts among the largest manufacturers of medium- and heavy-duty commercial vehicles in the world.[6][7] PACCAR is engaged in the design, manufacture and customer support of light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt, Leyland Trucks and DAF nameplates. PACCAR also designs and manufactures diesel engines, provides financial services and information technology, and distributes truck parts related to its principal business.

Textron Inc. is an American industrial conglomerate based in Providence, Rhode Island. Textron’s subsidiaries include Arctic Cat, Bell Helicopter, Textron Aviation (which itself includes the Beechcraft, Hawker and Cessna brands), and Lycoming Engines. It was founded by Royal Little in 1923 as the Special Yarns Company. In 2018, Textron employed over 37,000 people worldwide.[2] The company ranked 208th on the 2018 Fortune 500 of the largest United States corporations by revenue.