TrekNepalInc.com
- Adventure tour options in various locations in the Himalayas.
- http://www.treknepalinc.com/

The Trekkers Society (P) Ltd
- Information and tour itineraries with focus on adventure tourism.
- http://www.destinationnepal.com/

Thamserku Trekking
- Offers adventure holidays, treks, and river trips in Nepal.
- http://www.thamserkutrekking.com/

Top Adventure Trek and Expedition (P) Ltd.
- Trekking, tours, expedition and adventure itineraries with information on the Himalayan regions.
- http://www.sherpa-guide.com/

Tamang Expeditions
- Trekking and adventure holiday options in the Himalayas.
- http://www.tamangexpeditions.com/

Tenzing the Guide
- Information on trekking programs run by a Government-certified guide in the Eastern Himalayan region.
- http://www.tenzingtheguide.com/

Trekking Team
- Offers rafting, tours and treks. Features a company profile, an overview of services offered, and information on rafting destinations in Nepal.
- http://www.trekkingteam.com/

Three Sisters Adventure Trekking Ltd.
- Nepali trek guides providing information on teahouse, organized camping, and rural treks.
- http://www.3sistersadventure.com/

Three Amigos Treks
- Company offers trekking, jungle safari, rafting, and sightseeing tours.
- http://www.visitnepal.com/3amigos/