Life House Hostel
- Located in city of Mendoza. Includes information on rooms, rates, services, and adventure travel.
- http://www.lifehouse.com.ar/

Amazing Mendoza Tours
- Offers tours throughout the Mendoza wine country. Includes local information and services.
- http://www.amazingmendoza.com

Aconcagua Expeditions.com
- Offers mount Aconcagua information (maps, routes, camps, weather), climbing and trekking expeditions and logistical support.
- http://www.aconcaguaexpeditions.com

Mendoza Travel
- Offers comprehensive information on the province including accommodations, attractions, and services.
- http://www.mendozatravel.com

La Rosa de los Vientos
- Offers trekking and adventure services. Flash player is required.
- http://www.larosadelosvientos.com.ar/

Aconcagua Adventures
- Aconcagua mountain climbing and logistical support for groups attempting to summit or trekking to its base camps. Schedules and tips.
- http://www.aconcaguaadventures.com/index.html

Trekking travel
- Offers horse back riding, trekking and Aconcagua expeditions. Contains descriptions of the activities and pictures.
- http://www.trekking-travel.com.ar