The Canadian Advanced Technology Alliance (CATAAlliance) is the biggest business development association for producers and users of advanced technology. 

The only organization representing all sectors of the economy, CATA's umbrella of special-interest, municipal, provincial and allied organizations directly reaches 20,000 technology executives and an additional 22,000 technology users

PASS (Professional Association for SQL server) is the definitive, global community for SQL Server professionals. It is the first independent, user-run, not-for-profit association committed to providing SQL Server professionals around the world with the resources and knowledge necessary to achieve unparalleled business results.