Dedication and Everlasting Love to Animals Rescue (D.E.L.T.A. Rescue) is an animal welfare organization based in Acton, California, USA. With two hospitals and 150 acres (0.61 km2) of sanctuaries, it is the largest no-kill, care-for-life sanctuary in the United States. With more than 1,500 animals on the property, it is the largest animal rescue of its type in the world. Actor/producer/animal welfare activist Leo Grillo is its national president and founder. As of 2007, the organization is funded solely on private donations of more than $5.5 million per year.