Animal Cancer Trust http://www.animalcancertrust.org.uk/trustaims.htm
Promotes ethical research into cancer of companion animals by the funding of research programmes and by the provision of research facilities. Funds specialist facilities for the diagnosis and treatment of cancer in animals.
The Perseus Foundation http://www.perseusfoundation.org/
A not-for profit foundation supporting research and public education about cancer in companion animals, especially that research that might also be helpful in finding new treatments for cancer in children.