Founded in 1997, Ray of Sunshine Senior Care is proud to be the oldest licensed personal assistance services agency in Denton County. Caregivers Provide Senior Home Care Services in Denton, Lewisville, Gainesville, Keller, Grapevine, Coppell, Carrollton, Southlake, Valley View, Aubrey, Frisco, Corinth, Argyle, Roanoke, Counties: Denton County, Tarrant County, Collin County, and surrounding areas.