St. Croix Hair Sheep Breeders of North America
- Farm-oriented, member-run organization for promoting St. Croix Hair Sheep thru education and tracking pedigree thru registration. Membership is not a requirement for registering purebred St. Croix.
- http://www.stcroixhairsheepbreeders.org

St. Croix Sheep Breeders Association
- Organization of sheep breeders who breed and promote the St. Croix or Virgin Island White breed of sheep. This is a hair sheep that has been introduced to North America in limited numbers.
- http://www.stcroixsheep.org/