Organization World Conservation Union

US National Research Council Committee on Marine Protected Areas

The Marine Reserves Working Group

BLOOM Association

British Army

Boy Scouts of America

California State Parks Commission

Boone and Crockett Club

Southwest Museum

Rocky Mountain Club

British South Africa Company

Wa Syndicate

Burnham Exploration Company

Lovat Scouts

Northern Territories (BSA) Exploration Company

Western Union Telegraph Company

Royal Geographical Society

International Crane Foundation

Russian Ornithological Society (honorary member)

Chinese Ornithological Society (honorary member)

International Union for the Conservation of Nature's Species Survival Commission