Aspire http://www.aspire.org/
Non-denominational, not-for-profit organization devoted to helping individuals move along the path to spiritual awakening. Workshops, meditations in California with Gregory Penn. Audio files from radio show.
Dedicated Life Institute http://www.dli.org/
Supports spiritual exploration and growth and is dedicated to making the principles and practices of Buddhism and the essence teachings of many traditions accessible. (Newton, MA)