Abercrombie & Kent
&BEYOND
Active Tanzania
Adventure Alternative
African Latitude
Aim 4 Africa Ltd
Aqua-Firma
Audley Travel
BAOBAB Travel
BikeHike Adventures
Cheesemans' Ecological Safaris
Cosmopolitan Adventure Tours
Cross Cultural Solutions
CultureLink Safaris
Deeper Africa
discovery intiatives
Earthwatch Institute
ecoAfrica Travel
EcoQuest Travel, Inc.
Escape Adventures Bicycle Tours
Exodus Travel
Explore!
Footloose Adventure Travel
Gametrackers
Gamewatchers Safaris
G.A.P Adventures
Gecko's Adventures
Geographic Expeditions
High & Wild
Holbrook Travel
IntoAfrica
JOURNEYS International
kumuka
Livingstone Tanzania Trust
Mark Thornton Safaris
Micato Safaris
Mkuru Camel Safari
Mountain Explorers
Mountain Kingdoms
Mountain Travel Sobek
Natural Habitat Adventures
Naturetrek
Peregrine Adventures Pty Ltd
Promo Safaris
Rungwe Tea & Tours
Terra Incognita ECOTOURS, Inc.
Tribes Travel
Uncharted Outposts
Vintage Africa LTD
Volcanoes Safaris
Wilderness Journeys
Wilderness Travel
Wildland Adventures
Wildlife Worldwide
Winston Safaris
World Expeditions
World Primate Safaris
Worldwide Ecolodges
attractions
Chumbre Island Coral Park
lodging
Camps International
Chumbe Island Coral Park
Gibb's Farm
Kahawa Shamba
Kigongoni Lodge
Kisampa Camp
Mnemba Island Lodge
Saadani Safari Lodge

ALSO: ADVENTURE, VOLUNTEER and MEDICAL TOURISM GUIDES