Moon Ray Tours
- Offers bus charters and package and custom tours. [English/Spanish]
- http://www.moonraytours.com

Vivian Harvey
- Organizes educational travel seminars to Guatemala and Mexico.
- http://www.vivianharvey.com

Mesoamerican Ecotourism Alliance
- A group of local sustainable tourism organizations offer nature and cultural tours throughout Central America and southern Mexico. They give a schedule of trips, sample itineraries, and a list of partners.
- http://www.travelwithmea.com

Tropical Discovery Services
- Offices in Guatemala and Belize. Provides sample itineraries and information on company and staff.
- http://www.tropicaldiscovery.com

Maya Temple Tours
- Based in San Pedro Sula, Honduras. Offers tours of Mayan religious sites in Central America and Mexico. Describes staff and destinations.
- http://www.mayatempletours.com

Quetzaltrekkers
- Nonprofit raising funds by offering hiking and camping trips in Guatemala and Nicaragua. Describes typical itineraries and education projects in Quetzaltenango.
- http://www.quetzaltrekkers.com

Mayatour
- Offers tours with expert archaeological guides, professional drivers and comfortable vehicles. Provides photos, day-by-day descriptions, and prices for tours.
- http://www.mayatour.com

Ecotourisn and Adventure Specialists
- Offers ecotours, including extreme activities and hands-on projects. Describes typical programs, staff credentials, lodging and transportation.
- http://www.ecotourism-adventure.com

Nature Tours
- Trip itineraries and information on holiday travel throughout Central America.
- http://www.naturetoursinc.com

Journey Latin America
- Based in London. Specialist in tours to South and Central America, including custom itineraries and escorted trips. Gives background information for each country.
- http://www.journeylatinamerica.co.uk