Dolphin Charters
- Offers boat trips down the coast of Baja, and birding in southern Texas and northeastern Mexico.
- http://www.dolphincharters.com/mexico.htm

Miramar Adventures
- Sea kayaking and whale watching expeditions in Baja California and the Sea of Cortez. Describes package tours, with dates and prices.
- http://www.miramar-adventures.com/

Arizona Coach Tours
- Motorcoach tours of northeastern Mexico. Provides itineraries, dates, and prices.
- http://azcoachtours.com/

Incotravel
- Provides escorted tours throughout the country from offices in Mexico City, Cancun, Guadalajara, and Monterrey. Gives itineraries and costs, with information on lodging and transportation options. [English/Spanish]
- http://www.incotravel.com.mx

Journey Mexico
- Small group nature and culture tours. Describes upcoming trips, with general information on travel and the country.
- http://www.journeymexico.com/

EcoColors
- Biologist-led ecotours in Chiapas and the Yucatan peninsula. Gives sample itineraries and prices. [English/Spanish]
- http://www.ecotravelmexico.com

International Travel Marketing Co.
- Tour operator based in Los Angeles, California which offers vacation packages to several Mexican destinations.
- http://www.itmco.com/

Mexican Art Tours
- Far reaching adventures in Mexico's art, culture and history as well as an up-close and personal look at present-day mexican life.
- http://www.mexicanarttours.com/

Mexico Outback Ltd.
- Customized trips to rural Sierra Madre Mountains in Mexico.
- http://www.mexicooutback.com/trips.html

Tepehua Expeditions
- Offering Tepehua adventure travel. Offers a calendar and travel planner.
- http://www.tepehua.com.mx/

Suntrips
- Specializing in travel to Hawaii and Mexico.
- http://www.suntrips.com/

Columbus Travel
- Custom designed Copper Canyon adventures with naturalist trained resident guides and exclusive ecolodges featuring native cultures, natural history, birding, hiking and/or easy walks.
- http://www.canyontravel.com/