Riverhead Social Service and Welfare Organizations 107 Roanoke Ave Nonprofit organization that provides supports and services for people with developmental disabilities. Riverhead NY Social Service and Welfare Organizations East End Disabilities Assoc www.eed-a.org 501 nonprofit developmental disabilities agency parents advocate children education medical habilitation recreational services east end disability associates eeda eed-a 501 nonprofit developmental disabilities agency parents advocate children education medical habilitation recreational services east end disability associates eeda eed-a Business Reviews East End Disabilities Assoc Testimonials