Enneagram Institute Network
Develops and disseminates the Riso-Hudson Insight Approach regionally and internationally, and facilitates communication and cooperation among Riso-Hudson students.

Enneagram WebRing

The International Enneagram Association
A not-for-profit organization promoting the highest human values through the insights of the Enneagram.

Enneagram Consortium
A consortium of Enneagram authors and trainers who Provide training and products for individuals and oraganizations interested in applications of the Enneagram.