- Jacob Sheep Breeders Association http://www.jsba.org/
- Perfect Spot Farm (Jacobs), NC http://www.patchworkfibers.com/perfectspotfarm.html
- Patchwork Farm (Jacobs), GA http://www.patchworkfibers.com/
- Painted Rock Farm (Jacobs), WV http://members.aol.com/paintedrockfarm/paintedrockfarm001.htm
- M & W Llamas, NC http://www.mwminillamas.com/
- Twin Lakes Llama Farm, NC http://twinlakesllamafarm.com
- Never Winter Jacobs, GA http://www.neverwinterfarm.com
- Rise 'N' Shine Farm, PA http://www.risenshinefarm.com
American Rabbits Breeders Association
American Livestock Breeds Conservancy