| # | Name | Location | Assets | Members | ROA |
|---|---|---|---|---|---|
| 1 | Black Hills Federal Credit Union | Rapid City, SD | $2.38B | 109,705 | 0.47% |
| 2 | Dakotaland Federal Credit Union | Huron, SD | $751.6M | 42,571 | 1.54% |
| 3 | Levo Federal Credit Union | Sioux Falls, SD | $516.0M | 32,939 | 0.76% |
| 4 | Voyage Federal Credit Union | Sioux Falls, SD | $285.3M | 19,806 | 0.98% |
| 5 | Highmark Federal Credit Union | Rapid City, SD | $257.8M | 13,653 | 0.36% |
| 6 | Service First Federal Credit Union | Sioux Falls, SD | $209.7M | 16,365 | 0.83% |
| 7 | Bluestone Federal Credit Union | Sioux Falls, SD | $205.6M | 11,866 | 0.87% |
| 8 | Northern Hills Federal Credit Union | Sturgis, SD | $204.9M | 13,034 | 0.79% |
| 9 | Area Federal Credit Union | Aberdeen, SD | $199.9M |
| 11,828 |
| 1.37% |
| 10 | Sentinel Federal Credit Union | Box Elder, SD | $199.3M | 10,004 | 0.62% |
| 11 | Aspen Federal Credit Union | Rapid City, SD | $173.0M | 8,449 | 1.17% |
| 12 | Explorers Federal Credit Union | Yankton, SD | $111.5M | 9,074 | 0.41% |
| 13 | Dakota Plains Federal Credit Union | Lemmon, SD | $84.4M | 4,930 | 1.13% |
| 14 | Norstar Federal Credit Union | Britton, SD | $78.6M | 2,828 | 1.65% |
| 15 | Healthcare Plus Federal Credit Union | Aberdeen, SD | $70.4M | 5,037 | 0.29% |
| 16 | Oahe Federal Credit Union | Pierre, SD | $45.1M | 3,492 | 1.54% |
| 17 | Dakota Star Federal Credit Union | Rapid City, SD | $44.9M | 3,023 | 1.17% |
| 18 | Ft Randall Federal Credit Union | Wagner, SD | $44.2M | 3,462 | 1.04% |
| 19 | East River Federal Credit Union | Madison, SD | $41.9M | 3,184 | 1.16% |
| 20 | M O Federal Credit Union | Huron, SD | $40.9M | 1,746 | 1.17% |
| 21 | Sioux Valley Coop Federal Credit Union | Watertown, SD | $40.7M | 3,410 | 1.63% |
| 22 | Avanti Federal Credit Union | Watertown, SD | $31.8M | 2,967 | 0.94% |
| 23 | Rushmore Electric Federal Credit Union | Rapid City, SD | $29.3M | 1,430 | 0.90% |
| 24 | Consumer's Federal Credit Union | Gregory, SD | $21.4M | 1,627 | 0.84% |
| 25 | Lakota Federal Credit Union | Kyle, SD | $19.7M | 4,128 | 8.80% |
| 26 | Coteau Valley Federal Credit Union | Sisseton, SD | $18.8M | 2,232 | 0.67% |
| 27 | Huron Area Education Federal Credit Union | Huron, SD | $18.8M | 864 | 1.30% |
| 28 | Palace City Federal Credit Union | Mitchell, SD | $16.5M | 1,556 | 0.43% |
| 29 | Minuteman Federal Credit Union | Rapid City, SD | $15.2M | 1,155 | 0.85% |
| 30 | Dacotah Federal Credit Union | Rapid City, SD | $11.1M | 827 | 0.15% |
| 31 | Dakota Rail Line Federal Credit Union | Huron, SD | $5.1M | 495 | 1.78% |
| 32 | Hb Telco Federal Credit Union | Huron, SD | $4.9M | 791 | -0.81% |
| 33 | Sisseton-Wahpeton Federal Credit Union | Agency Village, SD | $4.9M | 1,191 | -0.37% |