| Coca-Cola Bottling Company High Country | Manufacturing | $9,116,300 | $9,218,352 | 500 | $176.5M |  Research |
| Pete Lien & Sons, INC | Manufacturing | $6,120,400 | $6,191,635 | 376 | $372.9M | Research |
| Rapid Fire Protection Intermediate | Construction | $4,792,825 | $4,846,925 | 305 | $103.9M | Research |
| Rapid City Medical Center LLP | Health Care and Social Assistance | $4,269,297 | $5,038,256 | 388 | $77.0M | Research |
| Black Hills Workshop & Trainin | Other Services (except Public Administration) | $4,002,800 | $4,049,189 | 440 | $84.0M | Research |
| Respec Company LLC | Professional, Scientific, and Technical Services | $3,855,700 | $3,898,862 | 300 | $37.0M | Research |
| Moyle Petroleum Company | Retail Trade | $3,089,110 | $3,125,079 | 431 | $144.2M | Research |
| Dlorah, INC | Educational Services | $3,000,000 | $3,041,671 | 462 | $55.4M | Research |
| Black Hills Orthopedic & Spine Center PC | Health Care and Social Assistance | $2,305,262 | $2,332,041 | 137 | $43.0M | Research |
| Big D Oil Company | Retail Trade | $2,119,800 | $1,983,608 | 342 | $114.4M | Research |
| Ketel Thorstenson, LLP | Professional, Scientific, and Technical Services | $1,980,362 | $1,999,175 | 174 | $55.4M | Research |
| Scull Construction Service, Inc. | Construction | $1,940,400 | $1,960,495 | 168 | $191.4M | Research |
| Presbyterian Retirement Village of Rapid City INC | Health Care and Social Assistance | $1,912,000 | $1,930,334 | 181 | N/A | Research |
| Fat Boys Inc. | Accommodation and Food Services | $1,863,186 | $1,879,674 | 212 | $37.6M | Research |
| Youth & Family Services, Inc. | Health Care and Social Assistance | $1,799,182 | $1,228,491 | 204 | N/A | Research |
| Liberty Motors INC | Retail Trade | $1,789,600 | $1,802,077 | 147 | $37.0M | Research |
| Mckie Ford Lincoln | Retail Trade | $1,752,750 | $1,765,427 | 145 | $36.5M | Research |
| Great Plains Tribal Chairman's Health Board | Health Care and Social Assistance | $1,675,600 | $1,693,641 | 159 | N/A | Research |
| Dlorah INC | Educational Services | $1,647,115 | $1,674,958 | 130 | $15.6M | Research |
| Dale Aviation INC | Transportation and Warehousing | $1,599,200 | $1,610,811 | 115 | $29.2M | Research |
| Behavior Management Systems INC | Health Care and Social Assistance | $1,524,700 | $1,538,109 | 173 | $40.5M | Research |
| Heavy Constructors, Inc. | Construction | $1,412,100 | $1,425,907 | 124 | $38.4M | Research |
| Dakota Auto Investments II LLC | Retail Trade | $1,323,900 | $1,335,035 | 108 | $27.2M | Research |
| The Young Men's Christian Association of Rapid City Sd | Other Services (except Public Administration) | $1,247,177 | $1,251,927 | 288 | N/A | Research |
| Sturgis Motorcycles, Inc. | Retail Trade | $1,197,730 | $1,205,966 | 118 | $30.8M | Research |