Honourable Company of Master Mariners
Company of Master Mariners of Australia
Company of Master Mariners of Canada
Company of Master Mariners of India
Company of Master Mariners of Sri Lanka
Society of Master Mariners of South Africa
Irish Institute of Master Mariners
International Federation of Ship Masters Association
Southampton Master Mariners Club
Council of American Master Mariners
Boat Books (A specialist Nautical Book and Service Provider, Auckland)