California Association of Texas Longhorn Breeders - Members, newsletter, events, and history of the breed in California. Longhorn Roundup - Marketing Texas Longhorn cattle through private treaty and consignment sales. Oklahoma Texas Longhorn Cattle Association - Texas Longhorn cattle breeders within the state of Oklahoma. International Texas Longhorn Association - Organization dedicated to the development, registration, and promotion of the Texas Longhorn breed of cattle. Information on breed standards, branding tips and membership. Longhorn Salepen - A pay to list directory of cattle for sale. Includes photos and ranch tours. LonghornMax - Software designed specifically for the Texas Longhorn cattle. Manages information including health, pedigree, marketing, and horn measurements. Texas Longhorn Breeders Gulf Coast Association (TLBGCA) - Texas Longhorn breeders association in the Gulf Coast. Includes calendar, scholarships, membership, shows, and sales information. Butler Texas Longhorn Breeders - Dedicated to promoting the Butler bloodlines. Includes information center and herd book for pedigree research. Texas Longhorn Ancestors - Hundreds of pictures and pedigrees of famous Texas Longhorn bulls and cows Longhorn Source, The - Classified listing service for Texas Longhorn breeders to buy and sell longhorn cattle, semen, embryos, and products. Also a calendar of events. Cattlemen's Texas Longhorn Conservancy - Organization focusing on scientific and historical research, education and other charitable purposes associated with conservation of Texas Longhorn cattle. Gallery of Horns - Lists of the longest horned Texas Longhorn bulls and cows in the breed. Includes photos, pedigrees, and horn measurements. Texas Longhorn Breeders Association of America - TLBAA is the oldest and largest Texas Longhorn breed association and registry. The Association's primary goal is to promote and preserve the breed. Midwestern Longhorn Association - Dedicated to the promotion and preservation of the Texas Longhorn and to education on the positive attributes of the breed. Includes events and membership information. Martee's Cattle Investments - Brokerage service for registered Texas Longhorn cattle nationwide.