American Angus Association
American Brahman Breeders Association
American Chianina Association
American Gelbvieh Association
American Hereford Association
American-International Charolais Association
American Maine Anjou Association
American Murray Grey Association
American Salers Association
American Shorthorn Association
American Simmental Association
Belted Galloway Society of the United States of America
Int'l Brangus Breeders Association
North American Limousin Foundation
North American South Devon Association
Piedmontese Association of the United States
Red Angus Association of America
Santa Gertrudis Breeders
Senepol Cattle Breeders
United Braford Breeders

National Cattlemen's Beef Association
National Association of Animal Breeders

BCIA - Alabama
BCIA - California
BCIA- Virginia
BCIA - Wisconsin
Georgia Cattlemen's Association
Indiana Beef Evaluation Program
Kansas Livestock Association
Oklahoma Beef, Inc.

Beef Cattle Evaluation Consortium (NBCEC)
BeefTalk information sheets
Beef Genetics: Molecular to Management ---- Brown Bag Seminar Visuals