Peterbilt - manufacturers of premium quality trucks Mack Trucks - provides heavy-duty trucks, parts, service and accessories to the trucking industry Kenworth - manufacturer of heavy and medium duty trucks Freightliner - high quality truck manufacturer Road King Magazine - contains award-winning editorial and design that entertains drivers with news and features on trucking and lifestyle topics. The Internet Truckstop - The first and largest freight matching service on the Internet Fleetowner Magazine - written for executives and managers of commercial-trucking fleets