| Mason City Clinic, PC | Health Care and Social Assistance | $3,152,600 | $3,183,250 | 294 | $68.1M |  Research |
| Stoney Creek Hospitality Corp | Accommodation and Food Services | $2,377,400 | $2,405,268 | 500 | $156.3M | Research |
| Good Shepherd Geriatric Center INC | Health Care and Social Assistance | $2,345,842 | $2,371,148 | 319 | N/A | Research |
| Woodharbor Molding & Millworks, INC | Manufacturing | $2,066,600 | $2,084,912 | 217 | $56.8M | Research |
| Stoney Creek Hospitality Corp | Accommodation and Food Services | $2,000,000 | $2,011,889 | 337 | $105.4M | Research |
| Whks & Co. Inc. | Professional, Scientific, and Technical Services | $1,849,500 | $1,672,602 | 103 | $12.7M | Research |
| Henkel Construction Company | Construction | $1,560,100 | $1,578,778 | 104 | $118.5M | Research |
| Metalcraft Inc. | Manufacturing | $1,256,000 | $1,267,618 | 115 | $28.1M | Research |
| Nutriquest LLC | Wholesale Trade | $1,046,800 | $1,053,226 | 45 | $14.2M | Research |
| Heartland Asphalt INC | Construction | $1,045,000 | $1,055,189 | 88 | $30.0M | Research |
| Prairie Ridge Integrated Behavioral Healthcare | Health Care and Social Assistance | $982,100 | $989,657 | 111 | N/A | Research |
| Prairie Ridge Integrated Behavioral Healthcare | Health Care and Social Assistance | $881,685 | $887,661 | 107 | N/A | Research |
| Golden Grain Energy, LLC | Construction | $860,500 | $866,117 | 55 | $17.0M | Research |
| Golden Grain Energy LLC | Construction | $838,541 | $841,476 | 53 | $16.4M | Research |
| Iowa Odd Fellows Home | Health Care and Social Assistance | $785,800 | $791,148 | 140 | N/A | Research |
| Newman Catholic School System | Educational Services | $749,658 | $757,654 | 138 | $16.6M | Research |
| Newman Catholic School System | Educational Services | $748,700 | $755,709 | 129 | $15.5M | Research |
| Tgm Pizza, Inc. | Accommodation and Food Services | $684,700 | $692,688 | 185 | $32.8M | Research |
| North Iowa Transition and Employment Services, Inc. | Other Services (except Public Administration) | $641,700 | $647,333 | 97 | $18.5M | Research |
| Central Park Dentistry PC | Health Care and Social Assistance | $490,564 | $493,439 | 42 | $9.7M | Research |
| Central Park Dentistry, P.c. | Health Care and Social Assistance | $490,500 | $493,988 | 38 | $8.8M | Research |
| Radiologists of North Iowa PC | Health Care and Social Assistance | $485,600 | $488,918 | 25 | $5.8M | Research |
| Blazek Electric, Inc. | Construction | $452,000 | $455,440 | 30 | $9.9M | Research |
| Hosmer Cars INC | Retail Trade | $446,248 | $448,975 | 43 | $10.8M | Research |
| Hosmer Cars, INC | Retail Trade | $446,200 | $449,646 | 43 | $10.8M | Research |