The Arc of the United States is the largest national community-based organization advocating for and serving people with intellectual and developmental disabilities (IDD) and their families. With over 140,000 members and almost 700 state and local chapters nationwide, they are at the forefront of providing support for individuals with IDD to be active members of the community. The Arc offers a wide range of programs and services to address the diverse needs of people with IDD and their families, including sibling support, self-advocacy, parent-to-parent support, independent living, special education resources, and more.

Their core values include putting people first, promoting equity, encouraging community inclusion, supporting self-determination, and embracing diversity. The Arc is guided by principles of participatory democracy, visionary leadership, serving the public interest, and fostering collaboration. With a deep-rooted history dating back more than 60 years, The Arc has been a driving force in advocating for the rights and well-being of individuals with disabilities and their families.

They continue to evolve and adapt to changing needs, working towards their vision of ensuring that every individual and family living with IDD has access to the necessary information, advocacy, and skills to become active citizens in their community