IIUG is a global organization dedicated to enabling the transfer of information between the community of Informix customers and Informix Software.

WAIUG is an organization for users of Informix database software and tools. The group primarily serves the Washington DC, Virginia, and Maryland areas but also has members from all over the USA.

SEIUG is an Atlanta, Georgia, based Informix users group for the Southeast US.

Meets quarterly in the Denver area for training members in the use of Informix products and related technologies as well as keeping members current on the newest technologies.

Gives end users of Informix database server and application tools an opportunity to exchange ideas, techniques and information on how to better use existing Informix products and plan for future product releases.

Chicago-based Informix user group.

AZIUG is a Phoenix-based Informix user's group.

INOUG provides a forum for users and developers of Informix based products to exchange ideas, techniques and information on how to better utilize existing products and plan for future product installations.

SFIUG is a group of people in Ft. Lauderdale and the surrounding area who meet with the common interest in Informix Software products and services.

Austin based Informix user group.