People for the Ethical Treatment of Animals (PETA) is the largest animal rights organization in the world and focuses its attention on the four areas in which the largest numbers of animals suffer the most intensely for the longest periods of time: on factory farms, in laboratories, in the clothing trade, and in the entertainment industry.

The Brooke is the UK's leading overseas equine welfare charity and our aim is to improve the lives of horses, donkeys and mules working in the poorest parts of the world. These animals form the backbone of the economy in many developing countries, supporting countless poor communities where many people earn less than a dollar a day.

International Fund for Animal Welfare
From the outset, the founders of the International Fund for Animal Welfare, or IFAW, rejected the notion that the interests of humans and animals were separate. Instead they embraced the understanding that the fate and future of harp seals - and all other animals on Earth - are inextricably linked to our own.

World Society for the Protection of Animal's (WSPA) vision is of a world where animal welfare matters, and animal cruelty ends. WSPA has been promoting animal welfare for more than 25 years. Our work is concentrated in regions of the world where few, if any, measures exist to protect animals.

Dogs Trust is the UK’s largest dog welfare charity and last year they cared for over 16,000 stray and abandoned dogs through their nationwide network of 17 Rehoming Centres. Dogs Trust is working towards the day when all dogs can enjoy a happy life free from the threat of unnecessary destruction. They believe no healthy dog should ever be destroyed and that every dog should have a chance to lead a happy and healthy life in a loving home.