South Dakota based Simmental Cattle Sites
| Ranch | City/State | Phone | ||
| R&R Cattle Company | Chamberlain, South Dakota | 6057346110 | ||
| South Dakota Simmental Association | Chamberlain, South Dakota | 605-734-6110 | ||
| Werning Cattle | Emery, South Dakota | 605-825-4219 | ||
| RJ Cattle Co | Parkston, South Dakota | 6059995576 | ||
| Christensen Simmental | Wessington Springs, South Dakota | (605)539-9522 |