Iowa 80 Truckstop
http://www.iowa80truckstop.com

Loves Travel Stops & Country Stores
http://www.loves.com/Default.aspx?tabid=55

North American Truck Stop Network
http://www.natsn.com/tsdirectory.htm

Petro Stopping Centers
http://www.petrotruckstops.com

Pilot Travel Centers
http://www.pilotcorp.com

Rip Griffin Travel Centers
http://www.ripgriffin.com/locations.htm

Sapp Bros Travel Centers
http://www.sappbrostruckstops.com/

TA Travel Center
http://www.tatravelcenters.com

Truck Stop Info Plus
http://www.truckstopinfoplus.com/