|
American Road & Transportation Builders
Association
<http://www.artba.org>
American Traffic Safety Services Association
<http://www.atssa.com>
Association of Diesel Specialists
<http://www.diesel.org>
Engine Manufacturers Association
<http://www.enginemanufacturers.org>
International Taxicab, Limousine &
Paratransit Association
<http://www.tlpa.org>
National School Transportation Association
<http://www.schooltrans.com>
United States Council for Automotive
Research
<http://www.uscar.com> | 
