| Company Name | Address | City | Zip | Phone# |
| South Dakota Small Business Development Center University of South Dakota | School of Business 414 East Clark Street | Vermillion | 57069 | (605)
677-5287 |
| Yankton Small Business Development Center | 321 W. Third PO Box 687 | Yankton | 57078 | (605)
665-4408 |
| Sioux Falls Region Small Business Development Center | 405 S. Third Avenue, Suite 101 | Sioux Falls | 57104 | (605)
367-5757 |
| Watertown Small Business Development Center | 124 First Ave., NW PO Box 1207 | Watertown | 57201 | (605)
882-5115 |
| Northeast Region Small Business Development Center | 2201 6th Avenue SE box 1985 | Aberdeen | 57402 | (605)
626-2565 |
| Sinte Gleska University Small Business Development Center | PO Box 8 | Mission | 57555 | (605)
856-4039 |
| Western Region Small Business Development Center | 444 North Mr. Rushmore Rd., Suite 208 | Rapid City | 57701 | (605)
394-5311 |
