The Singapore Cat Club
- Promotes the welfare of all cats by encouraging responsible cat ownership and providing references and advice on cat care. Upcoming events, a breeder's list, and contact details are available.
- http://www.singaporecatclub.com/

Animal Concerns Research and Education Society
- A charity which works to foster respect and compassion for all animals, to improve the living conditions and welfare of captive animals, and to educate people on the issues involved in animal captivity.
- http://www.acres.org.sg/

Cat Welfare Society
- A non-profit organisation set up in 1999 to improve the well-being of stray/feral cats in Singapore.
- http://www.catwelfare.org/

House Rabbit Society of Singapore
- The House Rabbit Society of Singapore is an all-volunteer, non-profit organisation dedicated to rabbit welfare and awareness. HRSS seeks to reduce the number of unwanted rabbits in Singapore and improve rabbits' lives through education.
- http://www.hrss.net/

Metta Cattery
- Haven for cats run by Siew Ying and volunteers. See case studies of how they help feline friends and how you can contribute.
- http://www.mettacats.org/

SPCA
- The Society for the Prevention of Cruelty to Animals' official website. Pet adoptions, tips on pet care, joining the SPCA, and volunteering opportunities.
- http://www.spca.org.sg/