- Abilities Network
- Alliance
- Appalachian Parents Association
- Arc of the Central Chesapeake Region
- The Arc of Baltimore
- Arc of Carroll County
- Arc of Frederick County
- Arc of Howard County
- Arc of Montgomery County
- Arc of Northern Chesapeake Region
- Arc Of Prince George's County
- Arc of Southern Maryland
- Arc of Washington County
- Ardmore Enterprises
- Artemis Mission, Inc.
- Athelas Institute
- Bayside Community Network, Inc.
- Be Our Guest
- Bee Homes, Inc.
- Calmra
- Caroline Center
- Caroline County Developmental Disabilities
- Carroll County Bureau of Aging - Senior Inclusion Program
- Cecil County Health Department
- Center For Community Integration
- Center for Social Change
- Change
- Changing People's Lives
- Charles County HARC
- Charles County Department of Health
- Chesapeake Care Resources
- Chesapeake Center
- Chesapeake Developmental Unit
- Chesapeake Group Homes
- Chesterwye Center
- CHI Centers, Inc.
- CIS&H
- Comfort Homes
- Community Living, Inc.
- Community Support Services
- Comprehensive Residential Systems
- Creative Options
- Crossroads Community
- Deaf Independent Living Association, Inc.
- Delmarva Community Services
- Dominion Resource Center
- Dorchester County Department of Health
- EBED Community Improvement
- Emerge
- Epilepsy Association of the Eastern Shore
- Erosun
- Family Service Foundation, Inc.
- Fidelity Resources
- First Metropolitan Facilities, Inc.
- Flying Colors Of Success, Inc.
- Forward Visions
- Friends Aware, Inc.
- Full Citizenship Of Maryland
- Gateway Residential Programs, Inc
- Goodwill Industries of the Chesapeake, Inc.
- Goodwill Industries of Monocacy Valley
- Guest House Community Services, Inc.
- Hebron Association for Community Services
- Helena's House, Inc.
- Home-Sweet-Home, Inc.
- Howard County Department of Recreation and Parks
- Humanim, Inc.
- Jeanne Bussard Center
- Jewish Family Services
- Jewish Foundation For Group Homes
- Jewish Social Service Agency
- Jubilee Association
- Langton Green
- Life
- Lower Shore Enterprises
- Maryland Community Connection
- Maryland Neighborly Networks
- Maxim Health Services
- MedSource Community Services, Inc.
- Melwood Horticultural Training Center
- My Own Place, Inc.
- National Children's Center, Inc.
- New Hope
- Opportunity Builders
- Penn-Mar Organization
- Providence Center
- Q-Care, Inc.
- Quantum Leap, Inc.
- Rehabilitation Opportunities
- REM Maryland
- Resource Coordination Of Prince George's County
- Richcroft
- Scott Key Center
- SecureCare Services
- SEEC
- Service Coordination
- Shared Support Maryland, Inc.
- Shura Incorporated
- SMVI
- Social Health Service Group
- Somerset Community Services
- Son-Grace, Inc
- Spectrum Support
- Spring Dell Center
- St. Mary's County Resource Coordination
- St. Patrick's Homes, Inc.
- St. Peter's Adult Learning Center
- Star Community
- Starflight Enterprises
- The Center for Life Enrichment
- The Chimes / Intervals MD
- The Harford Center, Inc
- The League for People With Disabilities
- The Rock Creek Foundation
- The Treatment and Learning Centers/The Outcomes Service
- United Cerebral Palsy of Central Maryland
- United Cerebral Palsy of Prince George's and Montgomery Counties
- United Cerebral Palsy of Southern Maryland
- Washington County Human Development Council
- Wicomico County Department of Recreation, Parks and Tourism
- Worcester County Developmental Center
- Work Opportunities Unlimited
Mental Retardation And Mental Illness Services Providers
are in PDF. (The freely available