| Jenniges Masonry Construction | Construction | $34,133 | $34,353 | 4 | <$5M |  AI Deep Dive |
| Hespen Excavating INC | Construction | $33,927 | $34,112 | 2 | <$5M | AI Deep Dive |
| Hartman Construction INC | Construction | $33,550 | $33,765 | 3 | <$5M | AI Deep Dive |
| Custer Beacon, LLC | Accommodation and Food Services | $31,900 | $32,179 | 5 | <$5M | AI Deep Dive |
| Dakota Greens - Custer Greenhouses & Nursery Inc. | Agriculture, Forestry, Fishing and Hunting | $31,900 | $32,082 | 10 | <$5M | AI Deep Dive |
| A Walk in the Woods LLC | Retail Trade | $31,600 | $31,780 | 15 | <$5M | AI Deep Dive |
| A & N Custom T's | Manufacturing | $31,200 | $31,427 | 15 | $14.9M | AI Deep Dive |
| Mcdonald Chiropractic PC | Health Care and Social Assistance | $29,450 | $29,702 | 3 | <$5M | AI Deep Dive |
| Tallgrass Landscape Architecture LLC | Professional, Scientific, and Technical Services | $29,348 | $29,561 | 3 | <$5M | AI Deep Dive |
| Black Hills Retreats LLC | Accommodation and Food Services | $29,225 | $17,564 | 2 | <$5M | AI Deep Dive |
| Premier Family Eye Care, P.c. | Health Care and Social Assistance | $29,200 | $29,410 | 3 | <$5M | AI Deep Dive |
| Lebar LLC | Health Care and Social Assistance | $28,840 | $28,939 | 6 | <$5M | AI Deep Dive |
| Lt Campgrounds LLC | Accommodation and Food Services | $28,588 | $28,795 | 8 | <$5M | AI Deep Dive |
| Bradstreet Enterprises, INC | Accommodation and Food Services | $28,000 | $28,256 | 5 | <$5M | AI Deep Dive |
| Garland Goff | Professional, Scientific, and Technical Services | $27,800 | $27,864 | 3 | <$5M | AI Deep Dive |
| Garland Lee Goff Attorney at Law LLC | Professional, Scientific, and Technical Services | $27,800 | $28,103 | 2 | <$5M | AI Deep Dive |
| Garland Lee Goff Attorney at Law | Professional, Scientific, and Technical Services | $27,800 | $0 | 2 | <$5M | AI Deep Dive |
| Sunmeadows Mighty Dorsets | Agriculture, Forestry, Fishing and Hunting | $27,500 | $0 | 1 | <$5M | AI Deep Dive |
| Wesdak Welding and Diesel LLC | Other Services (except Public Administration) | $27,357 | $27,584 | 3 | <$5M | AI Deep Dive |
| The Custer Lutheran Fellowship INC | Other Services (except Public Administration) | $26,667 | $26,858 | 4 | N/A | AI Deep Dive |
| Pizza Mill LLC | Accommodation and Food Services | $26,400 | $26,587 | 10 | <$5M | AI Deep Dive |
| Bobkat's Old Fashion Ice Cream Pie Shop & Restaurant, Inc. | Accommodation and Food Services | $25,900 | $26,086 | 4 | <$5M | AI Deep Dive |
| Faith Lewis Real Estate LLC | Real Estate and Rental and Leasing | $25,418 | $25,559 | 3 | <$5M | AI Deep Dive |
| Anh Enterprises, INC | Arts, Entertainment, and Recreation | $24,500 | $24,668 | 4 | <$5M | AI Deep Dive |
| Michael Holland | Construction | $24,445 | $24,587 | 2 | <$5M | AI Deep Dive |