Feral Cat Rescue
St. Mary’s County, Maryland: FCR promotes Trap/Neuter/Return/Maintain for feral cats and adoption of domestic cats
Maryland
AmsterDog Rescue
Greater NYC Metro Area: All dogs, especially pit bulls; cats and other small animals on occasion
Chesapeake Feline Association
Baltimore, Maryland and surrounding areas: Cats, Spay & Neuter
Atlantic Region Central Border Collie Rescue (ARCBCR)
Richmond, VA: Border Collies, Border Collie mixes, and other herding type breeds