Members of the Provincial Network on Developmental Services include:
- Ontario Agencies supporting Individuals with Special Needs (OASIS) - 139 agencies
- Community Living Ontario - 116 agencies
- Great Lakes Society - 15 agencies
- Metro Agencies Representatives Council (MARC) - 19 agencies
- Bob Rumball Associations for the Deaf
- Christian Horizons
- Community Living Toronto
- Family Service Association of Toronto
- The Geneva Centre for Autism
- J.D. Griffin Centre
- Kerry's Place
- Mary Centre
- Meta Centre
- Montage Support
- New Leaf
- Participation House Toronto
- New Visions Toronto
- Reena
- Safe Haven
- Salvation Army
- Operation Springboard
- Surex
- Surrey Place Centre
- Faith and Culture Communities - 15 agencies