Viva! USA
- Vegan organization presents information about and a campaign against livestock farming. Includes email list and acivist opportunities.
- http://www.vivausa.org

Animal Agriculture Alliance
- Industry organisation for animal agriculture. Frequently asked questions, press releases, and information on upcoming conferences and events. Members only areas for information on animal rights organisations.
- http://www.animalagalliance.org/

Compassion Over Killing
- Working to end animal abuse by focusing on cruelty to animals in agriculture and promoting vegetarian eating. Washington, D.C.
- http://www.cok.net/

Humane Farming Association
- Details on their campaigns, farm animal refuge, educational programs and photo gallery. California.
- http://www.hfa.org/

Defending Farm Animals, Inc.
- Promotes the humane treatment of farm animals through investigation, expose, and education. Minnesota, US.
- http://www.defendingfarmanimals.org

GRACE Factory Farm Project
- Information, ideas, and strategies for activists. Topics cover the environmental, health, economic, social and animal welfare costs of large-scale animal production, as well as trends toward sustainable alternatives.
- http://www.factoryfarm.org/

United States Animal Health Association
- For livestock health. Officers, committees, reports, proceedings, resolutions, meetings, history, allied groups, species information and bulletin board. Virginia, US.
- http://www.usaha.org/

Farm Sanctuary
- Operates farm animal shelters in upstate New York and northern California, and wages campaigns to stop factory farming and animal abuse. Visitor and education programs, and promotes vegan lifestyles. Includes links to its other websites: NoDowners.org, Fa
- http://www.farmsanctuary.org/

Farm Animal Reform Movement (FARM)
- Promoting planetary survival through plant-based eating. Programs include the Great American Meatout and World Farm Animals Day.
- http://www.farmusa.org