- PTPN - www.ptpn.com
- Preferred Therapy Providers, Inc. - www.preferredtherapy.com
- California Physical Therapy Association - www.ccapta.org
- Private Practice Section of the American Physical Therapy Association - www.ppsapta.org
- Ola Grimsby Institute - www.olagrimsby.com
- Solo-Step Fastrac - www.solo-step.com
- The University of Vermont - www.uvm.edu
- The University of California State Long Beach - www.csulb.edu
- The University of California State Northridge - www.csun.edu
- PTA Schools (Directory of Physical Therapy Assistant Programs) - www.ptaschools.com
