The American Association of People with Disabilities is the largest nonprofit, nonpartisan, cross-disability organization in the United States.

ACB is a national organization advocating on behalf of persons who are blind or have low vision. ACB also publishes "A Guide to Making Documents Accessible to People Who Are Blind or Visually Impaired."

The mission of the American Foundation for the Blind is to enable people who are blind or visually impaired to achieve equality of access and opportunity that will ensure freedom of choice in their lives.

The Arc (formerly Association for Retarded Citizens of the United States) is the country's largest voluntary organization committed to the welfare of all children and adults with mental retardation and their families.

This is a nonprofit organization providing information and education about accessibility to people with disabilities and to professionals in the fields, of design, construction, code development and enforcement.

Disability Resources, Inc. is a national nonprofit organization that provides information about resources for independent living.

Disability Rights Education and Defense Fund, Inc. (DREDF) is a national law and policy center dedicated to protecting and advancing the civil rights of people with disabilities through legislation, litigation, advocacy, technical assistance, and education and training of attorneys, advocates, persons with disabilities, and parents of children with disabilities.

DAV is a national organization advocating on behalf of veterans with disabilities.

Easter Seals creates serves children and adults with disabilities, their families and communities through early intervention and child development services, vocational training and employment services, and physical medicine and rehabilitation.

The Hearing Loss Association of America is a national consumer organization representing people who are hard of hearing and provides technical assistance for selecting Assistive Listening systems.

The Institute for Human Centered Design (formerly Adaptive Environments) promotes accessibility as well as universal design through education programs, technical assistance, training, consulting, publications and design advocacy.

The Institute serves self-help organizations of disabled people who work for self-determination and equal opportunities; provides information, training materials and technical assistance on accessibility, personal assistance, advocacy, legislation and peer support; publishes articles, reports, manuals or comments and other materials related to Independent Living.

ICTA initiates, facilitates and provides information regarding technology and accessibility through the World Wide Web. This information is available to people with disabilities, advocates and professionals in the field of disability, researchers, legislative bodies, and the general community.

NAD is a national consumer organization representing people who are deaf and hard of hearing.

The National Disability Rights Network (NDRN) is a voluntary national membership association of protection and advocacy systems and client assistance programs. It assumes leadership in promoting and strengthening the role and performance of its members in providing quality legally based advocacy services.

NFB is a national organization advocating on behalf of persons who are blind or have low vision.

The Center is a clearinghouse for information on disabilities and disability-related issues concerning children and youth (birth to age 22).

The National Organization on Disability promotes the full and equal participation and contribution of America's 54 million men, women and children with disabilities in all aspects of life.

PVA is a national advocacy organization representing veterans.

TDI's (formerly known as Telecommunications for the Deaf, Inc.) mission is to promote equal access in telecommunications and media for people who are deaf, hard of hearing, late deafened, or deaf blind.

Through the Looking Glass (TLG) is a nationally recognized non-profit agency that provides direct services, training, materials and research concerning families in which a child, parent or grandparent has a disability or medical issue.

UCP's mission is to advance the independence, productivity and full citizenship of people with cerebral palsy and other disabilities, through our commitment to the principles of independence, inclusion and self-determination.

United Spinal Association is a membership organization serving individuals with spinal cord injuries or disease. 

WID is an international public policy center dedicated to carrying out research on disability issues and overcoming obstacles to independent living.