| Sun Prairie Athletic Club INC | Arts, Entertainment, and Recreation | $805,200 | $810,948 | 162 | $22.7M |  Research |
| Sun Prairie Athletic Club, Inc. | Arts, Entertainment, and Recreation | $805,000 | $811,015 | 38 | $5.3M | Research |
| Weyauwega Cheese, LLC | Manufacturing | $775,250 | $781,941 | 96 | $33.9M | Research |
| Home Again Assisted Living INC | Health Care and Social Assistance | $706,600 | $710,596 | 124 | $21.1M | Research |
| Associated Training Services Corp | Educational Services | $674,900 | $681,907 | 38 | $8.0M | Research |
| Associated Training Services Corp. | Educational Services | $673,052 | $675,595 | 28 | $5.9M | Research |
| Pro-Active Engineering, Inc. | Professional, Scientific, and Technical Services | $598,500 | $605,928 | 40 | <$5M | Research |
| Pro-Active Engineering Inc. | Professional, Scientific, and Technical Services | $598,500 | $605,715 | 67 | $8.3M | Research |
| Chase Lumber & Fuel Company, Inc. | Retail Trade | $539,500 | $544,086 | 44 | $9.1M | Research |
| Sacred Hearts of Jesus and Mary | Other Services (except Public Administration) | $538,400 | $541,390 | 71 | N/A | Research |
| Wisconsin Conference Board of Trustees of the United Methodi | Other Services (except Public Administration) | $521,866 | $526,641 | 28 | N/A | Research |
| Menzel Enterprises, Inc. | Transportation and Warehousing | $517,000 | $521,009 | 70 | <$5M | Research |
| Menzel Enterprises Inc. | Other Services (except Public Administration) | $505,335 | $511,967 | 46 | $8.8M | Research |
| Scal Hobart, LLC | Health Care and Social Assistance | $479,400 | $482,569 | 90 | $15.3M | Research |
| Charles E Miller Jr | Accommodation and Food Services | $458,588 | $464,003 | 7 | <$5M | Research |
| Action Plumbing, Heating, Air Conditioning and Electric, INC | Construction | $432,140 | $434,461 | 33 | $10.4M | Research |
| Gnf Management LLC | Accommodation and Food Services | $422,586 | $424,994 | 80 | $14.2M | Research |
| Landfill Drilling and Piping Specialists, LLC | Construction | $403,900 | $406,133 | 23 | $7.1M | Research |
| Sun Prairie Healthcare Operations LLC | Real Estate and Rental and Leasing | $401,500 | $406,109 | 63 | $9.4M | Research |
| Market Street Diner LLC | Accommodation and Food Services | $397,166 | $401,442 | 33 | $5.9M | Research |
| See, INC | Professional, Scientific, and Technical Services | $375,000 | $377,289 | 18 | <$5M | Research |
| Blackhawk Tower Communications Inc. | Construction | $353,695 | $355,139 | 23 | $7.1M | Research |
| Salvatore's Tomato Pies, LLC | Accommodation and Food Services | $350,416 | $354,845 | 38 | $6.7M | Research |
| Two Rods & a Reel LLC | Accommodation and Food Services | $341,363 | $345,150 | 57 | $10.1M | Research |
| Parkview Dental Associates Sc | Health Care and Social Assistance | $335,100 | $337,567 | 24 | $5.6M | Research |