Total Truck Parts
Total Truck Parts, Inc. is a heavy duty truck parts broker and distributor located in Louisville Kentucky. Total Truck Parts, Inc. is a parts broker, and sells truck parts, differentials, transmissions, air valves, air dryers, brake drums, spring brakes, universal joints, seals, slack adjusters king pins, drive lines, clutches, bearings, air compressors,  as well as various other truck and transportation parts.
http://www.totaltruckparts.com/

Oak Ridge National Laboratory: Center for Transportation Analysis
Research and development on transportation energy and environmental issues, national transportation planning and policy, and transportation systems engineering.
http://www-cta.ornl.gov/cta/

Center for Transportation Analysis, Oak Ridge National Laboratory
Research and development on transportation energy and environmental issues, national transportation planning and policy, and transportation systems engineering.
http://www-cta.ornl.gov/cta/

Pennsylvania Transportation Institute
The Pennsylvania Transportation Institute is an interdisciplinary research unit at Penn State with focus on pavements, materials and construction; transportation operations; transportation structures; and vehicle systems and safety.
http://www.pti.psu.edu/

AA&D Transportation
Specializes in transportation for the disabled in the state of North Carolina. Also offers luxury transportation, charters, and trucking and hauling.
http://www.geocities.com/aadtrans/aadpage.htm

Bureau of Transportation Statistics
The Bureau of Transportation Statistics (BTS) is dedicated solely to the advancement of the U.S. Department of Transportation (USDOT, US DOT or DOT) priorities for transportation data and statistics. BTS is responsible for transportation data collection, coordination and comparability and statistical analysis.
http://www.bts.gov

International Transportation Management Association
A non-profit organization focusing on issues relating to the transportation industry, addressing several aspects of transportation.
http://itma-houston.org/

Canadian Transportation Agency (CTA)
Mission is to administer transportation legislation and government policies to help achieve an efficient and accessible transportation systems by education, consultation and essential regulation.
http://www.cta-otc.gc.ca/

Legacy Transportation Services
Legacy Transportation Services is the market leader in specialized transportation worldwide.
http://www.legacytsi.com

Transportation Equipment Sales Corporation
We specialize in new & used shuttle, child care, church, school, hotel, mini and transit buses for sale. Your bus or bus part can be delivered anywhere in the U.S. when you shop with TESCO Bus Sales.
http://www.tescobus.com/