http://www.shorthorn.com.au/ - Shorthorn Society of Australia

http://www.beefshorthornusa.com/ - American Shorthorn Association

http://www.shorthorn.org/ - American Shorthorn Association

http://www.cmss.on.ca/ - Canadian Milking Shorthorn Society

http://www.shorthorn.co.nz/ - New Zealand Beef Shorthorn Association

http://www.shorthorn.co.uk/ - Shorthorn Society of UK and Ireland

http://milkingshorthorn.com/ - American Milking Shorthorn Society

http://www.beefshorthorn.org.au/ - The Beef Shorthorn Society of Australia

http://www.canadianshorthorn.com/ - Canadian Shorthorn Association

http://selectsires.com/ - Select Sires Inc.

http://www.icbf.com/ - Irish Cattle Breeding Federation

http://www.npa.ie/ - National Ploughing Association of Ireland Ltd.

http://www.gouldinggenetics.com/ - Goulding Genetics

http://www.moydrumcastle.ie/ - Moydrum Castle Pedigree Shorthorns