- APSE (Assn. for Persons in Supported Employment) - 804.278.9187
- ARC of the United States
- ARC of Chester County - 610.696.8300
- Chester County MH/IDD (obtain services) - 610.344.6265
- Compeer
- Consumer Satisfaction Team (CST)
- Handicrafter's Inc. (a sheltered workshop setting) - 610.384.6990
- Home and Community Services Information System (HCSIS)
- Independent Monitoring for Quality
- Mental Health Association of Southeastern PA
- National Alliance for the Mentally Ill
- NAMI of Chester County - 610.430.0177
- National Institute on Mental Health
- Office of Vocational Rehabilitation - 717.783.8187
- Pennsylvania Developmental Disabilities Council
- Speaking for Ourselves - 610.825.4592