- CSU Argus Center – https://vetmedbiosci.colostate.edu/argus/pet-loss-support/
- Boulder Valley Humane Society – https://boulderhumane.org/euthanasia-and-cremation-services/
- Human-Animal Bond Trust – https://www.humananimalbondtrust.org/pet-loss-support-group.html
- Association for Pet Loss & Bereavement – https://www.aplb.org/