KodiakCare - saves the lives of dogs by providing funding for critical veterinary care to families who lack financial means.

Care Credit - a credit card for pet owners to pay vet bills

Brown Dog Foundation - for pet owners whose pet has a treatable life-threatening condition

Grey Muzzle Organization - for shelters and rescues, to help senior dogs

Best Friends Animal Society's Resources - for pet owners and rescues

The Pet Fund - for pet owners who can't afford vet care

Veterinary Care Partnership Program - for IIADP assist

Rose's Fund - financially assist pet owners and Good Samaritans who have an animal with a good prognosis for a healthy life, but are at a financial loss

Handicapped Pets.com - assistance for caretakers of disabled pets, including a list of other financial resources

The Mosby Foundation - various programs

Alley Cat Allies - leading cat advocacy organization; various programs

My Pet Child  has additional resources

Red Rover Resources  for low-income individuals and survivors of domestic violence