Enneagram Institute founded by Don Riso and Russ Hudson. The website offers tons of useful information on Enneagram, their training programs, workshops and products.
Enneagram Studies in the Narrative Tradition is a non-profit organization dedicated to transforming lives and creating a more compassionate world.
Helen Palmer’s site offers her programs and information about her distance learning program for mental health professionals.
Dr David Daniels’s site offers a lot of information on Enneagram and Growth Practice for each type, and articles written by him.
Ginger Lapid-Bogda is a world-class Enneagram leader in business. The website offers information about applications in workplace, teaching tools and products, and a learning portal.
International Enneagram Association is a worldwide association with Enneagram students and teachers from many schools and programs, and sponsoring annual conference in the US.