National Organizations with Assistance Programs: Condition Specific

Animal Cancer Therapy Subsidization Society (Alberta, Canada only)
Dog’sLife - specific to North and Central Texas
FETCH a Cure: Companions in Crisis (VA) and The Felicia Fund (D.C.)
Land of PureGold Foundation: Working Dog Cancer Treatment Grant - applicants MUST have been active, full-time working dogs at the time of cancer diagnosis.
Magic Bullet Fund
Paws 4 A Cure
The Riedel and Cody Fund
Santa Fe Community Foundation: Athena Fund - specific to New Mexico
The Joshua Louis Animal Foundation
The Pie Fund
The Pet Fund - Provides assistance for non-basic, non-urgent care (such as cancer treatment, heart disease, chronic conditions etc.)

Diabetic Cats in Need - Assists with information and resources for diabetic cats.
Lantus Land Emergency Fund - Runs fundraisers on an as-needed basis to assist cat caregivers who are regular posters in the Lantus Tight Regulation Insulin Support Group on the Feline Diabetes Message Board when emergency veterinary care is needed for their diabetic cats.

Handicapped Pets Foundation - Donates mobility equipment.
The Pet Fund - Provides financial assistance for non-emergency veterinary care, up to $500 per applicant, for non-routine, necessary treatments.
Deaf Dog Education Action Fund: Emergency Medical Support Fund