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The Arc of Tri-Cities is people - people with Intellectual and developmental disabilities including Down Syndrome, cerebral palsy, autism and mental
retardation, their families and the professionals and community that supports them.
The Arc of Tri-Cities is a non-profit human service organization founded by parents in 1950, to promote services and support for their family
members with developmental disabilities.
Phone number 509-783-1131 x 109

Who is Arc of Tri-Cities