VEN has compiled a list of industry organizations and resources for your reference:

American Veterinary Medical Association:  www.avma.org

American Animal Hospital Association  https://www.aahanet.org/

American Association of Feline Practitioners: http://www.catvets.com/

American Association of Swine Practioners:  http://www.aasp.org/

American College of Veterinary Ophthalmologists:  http://www.acvo.org/

American College of Veterinary Pharmacists:  https://www.vetmeds.org

American College of Veterinary Surgeons:  https://www.acvs.org/

American Heartworm Society: http://www.heartwormsociety.org/

Association of Avian Veterinarians:   http://www.aav.org/

CATalyst Council: http://catalystcouncil.org/  

Equine Business Management Strategies: http://www.equinebusinessmanagement.com

National Commission of Veterinary Economic Issues:  http://www.ncvei.org/

Partners for Healthy Pets:  http://www.partnersforhealthypets.org   

Veterinary Business Management Association: http://www.vbma.biz/

Veterinary Cancer Society: http://www.vetcancersociety.org/

Veterinary Hospital Managers Association:  http://www.vhma.org/