Asian Trekking
- A variety of trekking options including Heli skiing in different locations of the Himalayas.
- http://www.astrek.com/

Access-Himalaya
- Provides tours, treks and rafting in the country. Contains a profile, tariffs, news, an overview of services, and information on Nepal.
- http://www.access-himalaya.com/

Adventure Monalisa Treks & Expeditions
- Adventure and leisure holiday options in the Himalayas with information on service provider.
- http://www.excursionnepal.com/

Alpine Exodus Pvt. Ltd.
- Trekking and expetions information in the Himalayan region.
- http://www.alpineexodus.com/

Asian Heritage Treks and Expedition
- Information on trekking, mountaineering and touring heritage sites in South Asia.
- http://www.asian-heritage.biz/

Aita Singh Lama
- A private guide's information and details on adventure options in the Himalayas based on his experience on treks and trails that he has traversed.
- http://www.nepaltrekkingguide.com/

Adventure Glory Pvt. Ltd.
- Adventure tour and treks information in the Himalayan region.
- http://www.glorynepal.com/

Alpine Asian Adventure Treks and Expeditions
- Adventure tours and trekking options in the Himalayan belt region.
- http://www.alpinehimalaya.com/

Adventure Garden Nepal Pvt. Ltd.
- Trekking information including equipment lists required for a trek, trekking agencies, and links to trek operators.
- http://www.agnepal.com/

Adventure Glacier Treks and Expedition
- Adventure activities in the Himalayas with focus on trekking, expeditions and holiday options.
- http://www.treks2nepal.com/

Adventure Mountain Club
- Tours and trekking options in the Himalayas with hotel and flight reservation, introduction and FAQ.
- http://www.adventuremountainclub.com/

Adventure Plus Nepal Pvt. Ltd.
- Operates small-group lodge treks, camping trek, climbs and overland journeys in the Himalayas.
- http://www.adventureplusnepal.com.np/

Ang Rita Trek and Expediiton ( P ) Ltd.
- Adventure sports and activities with a focus on peak climbing in the Himalayas.
- http://www.angritaexpedition.com/

A-Apex Trekking and Tours Pvt. Ltd.
- Adventure tours operations and offerings in the Himalayan region.
- http://www.toursnepal.com/

Amit Treks
- Outdoor programs for groups or individuals, with extensions to Bhutan and Tibet.
- http://www.catmando.com/amittreks/index.htm

Adventure Shangrila
- Includes information on volunteer programs, trekking, rafting, Sightseeing and adventure tours
- http://www.adventureshangrila.com/

Adventure Nepal Treks Pvt. Ltd.
- Adventure and trekking tours in the Himalayas and to Bhutan and Tibet.
- http://www.adventurenepaltreks.com/

Adventure Specialist Pvt. Ltd.
- Adventure activities and trekking itineraries with a company profile of service provider.
- http://www.astnepal.com/

Annapurna Treks and Expeditions
- Useful information on tourism conditions with emphasis on trekking programs.
- http://www.annapurnatreks.com

All Nepal Trekking
- Climbing and hiking expeditions in the region. Speciality in writers and researchers assistance.
- http://www.allnepal-trekking.com/

Adventure Pilgrims Trekking
- A choice of activities including trekking and rafting. Extension tour itineraries to Tibet.
- http://www.trekinepal.com/

Adventure Karnali Pvt. Ltd.
- Trekking and adventure tour details with a newsletter for updates.
- http://www.trekkinginhimalaya.com/

Adventure Himatrek Pvt. Ltd
- Activities in the Himalayan region with support being given to the Hillside Development Forum, a non-profit NGO.
- http://www.himatrek.com/

Adventure Panorama Trek Pvt. Ltd.
- Trekking options in-country and Bhutan, Sikkim and Tibet. A company profile, information on trekking, expeditions and tours.
- http://www.himalayanview.com/

Adventure Gorkha Treks and Expeditions
- Offers tours, treks and contains a profile and an overview of services.
- http://www.adventuretrekking.com/