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And even that is not a complete list. I found out when I was doing some marketing for SEI, that after the fall of the Soviet Union, there were suddenly a bunch of legitimate training agencies from behind the iron curtain that no one had heard of before in the west. Some were known to a small number of operators where tourism was possible. I always maintained that a good instructor could tell if a cert was legit by a 10-15 minute conversation and 20 minutes in the pool. That tells me all I need to know.List of diver certification organizations - Wikipedia
en.wikipedia.org
Any other info on the card, like location, date?
