Ciclismo Classico Specializes in cycling and walking vacations in Italy. http://www.ciclismoclassico.com/

Cicloposse Bike Tour Co. Provides guided and self-guided bike tours, day trips, and bicycle rentals in Tuscany and Umbria. http://www.cicloposse.com/

Cinghiale Cycling Tours Offers cycling tours which include local cuisine and cultural exposure. http://www.cinghiale.com/

Classic Adventures Offering bicycling and hiking vacations throughout Europe and North America. http://www.classicadventures.com/

Click and Travel, Ltd. Offers eco-friendly cycling tours in Northern Thailand. http://www.clickandtravelonline.com/

Club Toscana Italian Active Vacations Specializes in fully-supported cycling and walking tours throughout Italy. Also provides special interest, ladies only, private, and family tours. http://www.clubtoscana.com/

Cotswold Country Cycles Offers cycling holidays and bicycle hire. http://www.cotswoldcountrycycles.com/

Country Inns Along the Trails Offers self-guided and group hiking, biking, skiing, and snowshoeing tours in Vermont, with stays at bed and breakfasts and country inns along the way. http://www.inntoinn.com/

Country Spokes Bicycle Tours Offers bicycle tours in California with gourmet dining and luxury camping. http://www.countryspokes.com/

Coyote Bicycle Tours Offers cycling adventure tours throughout the U.S., specializing in the Western region. http://www.coyoteguy.com/

CrossRoads Cycling Adventures Fully supported long distance bicycle touring. http://www.crossroadscycling.com/

Cycle America Offers national park, cross-state, coast-to-coast, and bicycle camping tours. http://www.cycleamerica.com/

Cycle Holidays Ireland Provides biking tours and cycling vacations in the West of Ireland. http://www.cycleholidaysireland.com/

Cycle Italia Offers challenging bicycle tours for serious cyclists in Italy. http://www.cycleitalia.com/

Cycletours Offers cycling tours in Holland and other countries. http://www.cycletours.com/

Cyclevents Cross state bicycle rides and international tours in North America, Europe, Asia, and the South Pacific. http://www.cyclevents.com/

CycleWest Ireland Offers guided bike tours of the west coast of Ireland. Luggage transport and van support included. http://www.cyclewest.com/

Cycling Adventures Offers planned biking trips in southwest Ireland. http://www.cycling-adventures.com/

Cycling Holidays South Africa Offers 6-day cycling vacations on hybrid bicycles in South Africa. http://www.cyclingholidaysouthafrica.com/

Cycling Made In Italy Custom-tailored itineraries in Northern Italy's Veneto for cycling enthusiasts. http://www.bikeitaly.com/