- World Wildlife Fund (WWF): The WWF is a leading international conservation organization that works to protect the diversity and abundance of life on Earth.
- The Nature Conservancy: The Nature Conservancy is a global environmental organization that protects nature for people and nature.
- Sierra Club: The Sierra Club is a grassroots environmental organization that works to protect wildlife and habitats.
- The Humane Society of the United States (HSUS): The HSUS is an animal protection organization that works to protect animals from cruelty, exploitation, and neglect.
- The American Society for the Prevention of Cruelty to Animals (ASPCA): The ASPCA is an animal welfare organization that works to prevent animal cruelty and promote animal welfare.
- Peta: PETA works to promote animal rights, prevent cruelty to animals, and advance the well-being of all animals.
- The International Fund for Animal Welfare (IFAW): The IFAW is a global animal welfare organization that works to protect animals from cruelty and suffering.
- WildAid: WildAid is a conservation organization that works to protect endangered wildlife species by reducing demand for illegal wildlife products.
- Sea Shepherd Conservation Society: Sea Shepherd Conservation Society is a non-profit marine conservation organization that engages in direct action to protect marine wildlife.
- National Audubon Society: National Audubon Society is a non-profit organization dedicated to conserving and restoring natural ecosystems, focusing on birds and their habitats.