Alongside the Squire Family Foundation, the following organizations are help support and participate in the PLATO Network:
- A2Ethics
- American Philosophical Association
- Association for Practical and Professional Ethics Incorporated (APPE)
- Ball State University Philosophy Outreach Project
- Bill of Rights Institute
- Center for Public Philosophy, University of California Santa Cruz
- Center for Talented Youth, Johns Hopkins University
- International Council of Philosophical Inquiry with Children (ICPIC)
- Iowa Lyceum
- Kegley Institute of Ethics, California State University Bakersfield
- Merlin CCC
- Prindle Institute for Ethics
- Rowan University Department of Philosophy and World Religions
- Society for Ethics Across the Curriculum
- Society of Philosophers in America (SOPHIA)
- Squire Family Foundation
- The Hastings Center
- The Right Question Institute
- ThinkerAnalytix
- United 4 Social Change Inc.
- United World Colleges (UWC) – USA
- University of Hawaii Uehiro Academy for Philosophy and Ethics in Education
- University of Massachusetts at Amherst Philosophy Department
- University of Washington Center for Philosophy for Children
- Utah Lyceum