- Cofan - The Cofan indian community offering ecotours, nature and birdwatching expeditions to help them conserve their land in the Ecuador rainforest.
- Ecotour Expeditions, Inc. - Ecotour organizes ecological and natural history tours to the Amazon rainforest and other natural wonders of Central and South America. They are based in Cambridge Massachusetts, USA.
- Greenstop - A directory with a classification system to check on the environmental awareness of hotels and travel companies.
- Manu Expeditions - Peruvian rainforest and horse-supported treks in search of birds, plants, and Inca ruins.
