| Shine Bros. Corp. | Wholesale Trade | $2,037,200 | $2,061,137 | 116 | $35.5M |  Research |
| Shine Bros Corp | Wholesale Trade | $1,999,900 | $2,011,788 | 107 | $32.8M | Research |
| Vander Haag's INC | Wholesale Trade | $1,960,100 | $1,976,598 | 250 | $76.6M | Research |
| Graham Tire Company of Spencer, Inc. | Retail Trade | $1,910,200 | $1,929,196 | 154 | $41.6M | Research |
| Northwest Iowa Mental Health Center | Health Care and Social Assistance | $1,364,800 | $1,378,107 | 122 | N/A | Research |
| Northwest Iowa Mental Health Center | Health Care and Social Assistance | $1,364,800 | $1,375,529 | 122 | N/A | Research |
| Tjn Enterprises, Inc. | Wholesale Trade | $1,280,500 | $1,293,732 | 89 | $27.3M | Research |
| St Luke Home & Services, INC | Health Care and Social Assistance | $1,125,000 | $1,135,281 | 160 | N/A | Research |
| NW Ia Bone, Joint & Sports Surgeons, PC | Health Care and Social Assistance | $842,000 | $846,631 | 66 | $20.7M | Research |
| Midwestern Mechanical of Iowa INC | Construction | $736,655 | $743,224 | 70 | $22.1M | Research |
| Longhouse-Northshire, Ltd | Health Care and Social Assistance | $716,392 | $720,491 | 75 | $12.8M | Research |
| Veridian Limited | Manufacturing | $716,200 | $720,199 | 113 | $39.9M | Research |
| Johnston Auto and Ind Or Spencer Ia, Inc. | Retail Trade | $664,900 | $668,575 | 140 | $37.9M | Research |
| Great Lakes Concrete, Inc. | Construction | $624,600 | $628,139 | 69 | $21.4M | Research |
| Metal Works, Inc. | Manufacturing | $620,000 | $626,579 | 59 | $14.4M | Research |
| Tecton Industries, Inc. | Manufacturing | $522,500 | $525,795 | 40 | $9.8M | Research |
| Tecton Industries, Inc. | Manufacturing | $522,500 | $525,650 | 39 | $9.5M | Research |
| Eci Jobs Inc. | Administrative and Support and Waste Management | $513,275 | $515,114 | 86 | $13.5M | Research |
| Eci Jobs, Inc. | Administrative and Support and Waste Management | $513,200 | $516,008 | 86 | $13.5M | Research |
| Winther, Stave & Co LLP | Professional, Scientific, and Technical Services | $463,400 | $469,514 | 25 | $8.0M | Research |
| Community Housing Initiatives, Inc. | Real Estate and Rental and Leasing | $451,500 | $0 | 33 | <$5M | Research |
| Dyno Oil Co INC | Retail Trade | $444,200 | $446,890 | 88 | $29.4M | Research |
| Graves Construction Co., Inc. | Construction | $438,565 | $441,720 | 31 | $35.3M | Research |
| Spencer Ag Center LLC | Professional, Scientific, and Technical Services | $437,600 | $440,068 | 25 | <$5M | Research |
| Graves Construction Co. Inc. | Construction | $408,750 | $411,191 | 28 | $8.7M | Research |