BNAPS - British North American Philatelic Society
NSDA - National Stamp Dealer Association
IFSDA-Internation Federation of Stamp Dealer Associations
APS - American Philatelic Society
RPSC - Royal Philatelic Society Canada
CSDA-Canadian Stamp Dealers Association
GRVPA - Grand River Valley Philatelic Association
Middlesex Stamp Club - London, Ontario
MEPSI- Mexico Elmhurst Philatelic Society International
British Caribbean Philatelic Study Group