1-800-Charter.com Offers bus charter reservations for the U.S. and Canada. http://www.1-800-charter.com/

85th Street Traveler Pat and Joe Wolfe lead tours to Kenya, Russia, Yellowstone, and the Rose Bowl Parade, plus arrange specialized travel for individuals and groups. http://www.85thsttraveler.com/

A La Carte Tours Receptive services for all U.S. destinations. Conventions, incentive travel, groups and individuals. http://www.alacartetours.com/

Abilene & Smoky Valley Railroad Offers public excursion train rides May through October, private charters and school tours April through December, and seasonal dinner trains. http://www.asvrr.org/

Academic Travel Services Specializes in educational and performance tour packages in the United States. http://www.academictravel.com/

Acrey's Photographic Expeditions and Workshops Southwestern tours with photographer Jack Acrey. http://www.acrey.com/

Adventure Offers whitewater rafting, sea kayaking, and wilderness trips throughout the American west including Idaho, Wyoming, California, Oregon, and the Grand Canyon. http://www.oars.com/

Adventure Alliance Specializes in corporate adventures, team building, and special events in the U.S. and Mexico. http://www.adventurealliance.com/

Adventure Club of New Jersey Discount travel packages that include skiing, biking, windsurfing, hang gliding, backpacking in the U.S., Caribbean, and French Polynesia. http://www.usac.com/

Adventure English Institute Offers English language courses combined with outdoor adventures in the Southwest. http://www.adventure-english.com/

Adventure Experiences, Inc. Specializing in ropes course construction, design, training, equipment sales. Also runs backpacking, guided fishing and hunting trips. http://www.advexp.com/

Adventures in Good Company Adventure travel for every woman to both domestic and international destinations. Hiking, biking, canoeing, backpacking, and more. http://www.goodadventure.com/

Adventuretours Online Offers personalized RV tours to Mexico and Central and South America. http://www.adventuretrek.com/

All American Adventure Travel & Tours Offering adventure travel and day tours across America departing daily from Las Vegas, New York, San Francisco, Grand Canyon, and Los Angeles. http://www.all-american-adventure-travel-tours.com/

All Out Adventures Specializes in NASCAR racing packages. Also offers hunting and fishing tours. http://www.all-out-adventures.com/

Ameribus Offers guided coach tour packages throughout the U.S. and get-on, get-off bus passes. http://www.ameribus.com/

America by Bicycle Organizes long distance tours in the U.S. including cross country coast to coast and intermediate range tours. http://www.abbike.com/

American Christian Tours Educational tour programs for Christian schools to Washington, D.C. Custom tours for church groups. http://www.acts-tours.com/

American Dream Safari Offers expeditions into Memphis and Mississippi on delta blues, rockabilly, and gospel tours in a 1955 Cadillac. http://www.americandreamsafari.com/

American International Tours Specializing in student travel to popular destinations in the Northeastern U.S. and Canada. http://www.tourquest.com/