National Organizations: 

ADA Legacy Project
American Association of People with Disabilities (AAPD)
American Council for the Blind
American Network of Community Options & Resources (ANCOR)
American Physical Therapy Association
Association of Programs for Rural Independent Living (APRIL)
Association of University Centers on Disabilities (AUCD)
Autism Society of America
Autistic Self Advocacy Network (ASAN)
Bazelon Center for Mental Health Law
Blooms Connect
Catholic Health Association
CommunicationFIRST
Disaster Accountability Project
Epilepsy Foundation
Justice in Aging
Little Lobbyists
National ADAPT
National Association of Councils on Developmental Disabilities
National Council on Independent Living
National Down Syndrome Congress
National Multiple Sclerosis Society
Network of OT Practitioners with Disabilities & Supporters
Not Dead Yet
Paralyzed Veterans of America
Partnership for Inclusive Disaster Strategies
Spina Bifida Association
The Arc of the United States
Touch the Future Inc
United Cerebral Palsy
United States International Council on Disabilities
World Institute on Disability (WID)

State Organizations

Alabama:
Disability Rights and Resources

California:
ALCO VOAD (Alameda County Voluntary Organizations Active in Disasters)
California Disaster Strategies Coalition
Community Access Center
Disability Policy Consultant

Colorado:
Atlantis Community, Inc.
Colorado Cross-Disability Coalition

Connecticut:
Connecticut Legal Rights Project
CT Cross Disability Lifespan Alliance
CT State Independent Living Council
Independence Northwest

Florida:
Disability Rights Florida

Georgia:
DQIA: Disabled Queers In ACTION!
Georgia ADAPT (GA ADAPT)

Hawaii:
Department of Health - Hawaii State Council on Developmental Disabilities, Oahu

Idaho:
Living Independence Network Corporation

Illinois:
Cure SMA
Illinois-Iowa Center for Independent Living
Illinois Valley Center for Independent Living
Spoonie Media
The Statewide Independent Living Council of Illinois
Progress Center

Indiana:
Daly Law LLC
Indiana Statewide Independent Living Council (INSILC)

Iowa:
The Disability Caucus of the Iowa Democratic Party
#UpgradeMedicaid, with Iowa Disability League

Kansas:
Kansas ADAPT

Massachusetts:
MassADAPT

Maryland:
Accessible Resources for Independence Incorporated

Michigan:
Michigan Disability Rights Coalition

Mississippi:
Mississippi Coalition for Citizens with Disabilities

Missouri:
Gateway Chapter Paralyzed Veterans of America

Montana:
ADAPT Montana
Summit Independent Living

North Carolina: 
Disability Rights North Carolina
El Centro Para Todos

New Jersey:
Alliance Center for Independence
Art House Productions
Center for Independent Living of South Jersey (REAADI only)
DIAL - Center for Independent Living
New Jersey Disability Collective
NJ Statewide Independent Living Council
Project Freedom Inc
SPAN Parent Advocacy Network
Spina Bifida Resource Center

New York:
Downstate New York ADAPT
Niagara University Disability Awareness Training

Oregon:
MindFreedom International

Pennsylvania:
Disability Pride PA
Disabled in Action of Pennsylvania
Liberty Resources, Inc (CIL - Philly, PA)
North Central PA ADAPT
OT Leaders and Legacies Society
PA ADAPT
PA Council on Independent Living
Pennsylvania Statewide Independent Living Council
Philly ADAPT
Roads to Freedom Center for Independent Living (RTFCIL) of North Central PA

Puerto Rico:
Movimiento para el Alcance de Vida Independiente

Texas:
ADAPT of Texas
All Wheels Up
Gulf Coast ADAPT
Personal Attendant Coalition of Texas
Texas Democrats with Disabilities Caucus

Virginia:
Blue Ridge Independent Living Center
ENDependence Center of Northern Virginia (ECNV)
ForwardWorks Consulting

Washington:
Center for Independence (CFI)
PAVE
Washington ADAPT

Wisconsin:
Independence First