- Imperial Oil (Toronto)
- Shell Oil (Toronto
- IBM (New York and Toronto)
- London Psychotherapy Centre (England)
- Workshop Institute for Living-Learning (New York; Atlanta; Detroit; Toronto; London, England; Essen, Germany; Zurich, Switzerland)
- National Training Laboratories (Bethel, Maine)
- University of Leiden (Netherlands)
- Oberlin College (Ohio)
- Duquesne University (Ohio)
- University of Connecticut
- University of Toronto
- Atkinson College (Toronto)
- Centre for Continuing Education (Toronto)
- Ontario Institute for Studies in Education
- Seneca College (Toronto)
- Antioch University (Los Angeles)
- Pepperdine University (Los Angeles)
- Chapman University (Orange County)
- Bank Street College (New York)
- Fordham University (New York)
- Hunter College (New York)
- Lehman College (New York)
- City University of New York
- Northwest Regional Educational Laboratories (Portland, Oregon)
- New York City Board of Education
- Louisville Board of Education
- Volusia Board of Education (Florida)
- Peel Board of Education (Ontario)
- Toronto Board of Education
- Federation of Women Teachers (Ontario)
- West Virginia Office of Equal Opportunity
- Ministry of Community & Social Services (Ontario)
- Canadian Urban Training
- Canadian Mental Health Association
- Canada Employment & Immigration Centre
- Canada Post
- Y.M.C.A. (New York and Toronto)
- Toronto Institute for Human Relations
- Markham Family Life Centre (Ontario)
- Headstart Foundation (Los Angeles)
