Abercrombie & Kent
&BEYOND
Audley Travel
Biosphere Expeditions
Cheesemans' Ecological Safaris
Cosmopolitan Adventure Tours
discovery intiatives
Earthwatch Institute
ecoAfrica Travel
Exodus Travel
Explore!
field guides
Footloose Adventure Travel
G.A.P Adventures
Gecko's Adventures
Geographic Expeditions
JOURNEYS International
kumuka
Mabaruli African Safaris
Micato Safaris
Natural Habitat Adventures
Naturetrek
Peregrine Adventures Pty Ltd
Tribes Travel
Vintage Africa LTD
Wild Earth Travel
Wilderness Journeys
Wilderness Safaris
Wilderness Travel
Wildland Adventures
Wildlife Worldwide
Worldwide Ecolodges
Uncharted Outposts
Zegrahm Expeditions
lodging
Damaraland Camp

ALSO: ADVENTURE and VOLUNTEER TOURISM GUIDES