Mack Trucks, Inc. Official site from the AB Volvo Group.

Freightliner LLC - Manufacturer of medium, heavy-duty diesel, low-emission, and other specialized chassis trucks, buses, and vans. Includes the Unimog, Sprinter, Sterling, Thomas Built, and Western Star lines.

Kenworth - Manufacturer of heavy and medium duty trucks.

Peterbilt - Manufactures Class 6-8 trucks and offers a range of services for the over-the-road, construction, municipal, and medium-duty markets.

Volvo Trucks - Producer of trucks, buses, construction equipment, marine and industrial power systems, and aircraft engine components.