| Don Borneke Construction, Inc. | Construction | $2,354,020 | $2,384,074 | 68 | $21.1M |  Research |
| Guardian Energy, LLC | Manufacturing | $994,800 | $1,001,487 | 50 | $49.6M | Research |
| Guardian Energy LLC | Manufacturing | $875,497 | $878,853 | 49 | $48.6M | Research |
| Janesville Nursing Home, INC | Health Care and Social Assistance | $391,700 | $394,583 | 71 | $12.1M | Research |
| Berry Pallets, Inc. | Manufacturing | $328,400 | $331,108 | 49 | $48.6M | Research |
| Borneke Construction INC | Construction | $248,276 | $251,448 | 15 | $17.1M | Research |
| Trinity Lutheran Church and School | Other Services (except Public Administration) | $183,200 | $184,259 | 25 | N/A | Research |
| Trinity Lutheran Church and School | Other Services (except Public Administration) | $183,200 | $184,615 | 25 | N/A | Research |
| Smiths Mill Implement INC | Wholesale Trade | $171,500 | $172,900 | 18 | $5.5M | Research |
| Summers Ridge Veterinary Clinic | Professional, Scientific, and Technical Services | $143,800 | $144,848 | 14 | <$5M | Research |
| Frechette Inc. | Transportation and Warehousing | $92,655 | $93,361 | 9 | <$5M | Research |
| Ground Works Backhoe Service LLC | Construction | $92,616 | $93,063 | 10 | <$5M | Research |
| Frechette INC | Transportation and Warehousing | $91,400 | $92,080 | 9 | <$5M | Research |
| Ground Works Backhoe Service, LLC | Construction | $84,747 | $85,344 | 7 | <$5M | Research |
| The Trams Farm Inc. | Agriculture, Forestry, Fishing and Hunting | $75,932 | $76,691 | 7 | <$5M | Research |
| The Trams Farm, Inc. | Agriculture, Forestry, Fishing and Hunting | $75,900 | $76,493 | 8 | <$5M | Research |
| Utility Consultants INC | Professional, Scientific, and Technical Services | $66,375 | $66,770 | 5 | <$5M | Research |
| Arnoldt Power Washing | Agriculture, Forestry, Fishing and Hunting | $58,100 | $59,092 | 7 | <$5M | Research |
| Janesville Elevator Construction, Inc. | Construction | $57,325 | $57,825 | 7 | $8.0M | Research |
| Janesville Tire Service INC | Retail Trade | $55,168 | $55,487 | 7 | <$5M | Research |
| Janesville Elevator Construction INC | Construction | $54,937 | $55,267 | 5 | $5.7M | Research |
| Mcpherson Crop Management, Inc. | Professional, Scientific, and Technical Services | $53,200 | $53,627 | 5 | <$5M | Research |
| Andy Arnoldt | Agriculture, Forestry, Fishing and Hunting | $50,974 | $51,460 | 11 | <$5M | Research |
| Boss Supply Inc. | Manufacturing | $48,472 | $48,751 | 5 | <$5M | Research |
| South Central Seed & Chemcial, LLC | Wholesale Trade | $45,895 | $46,214 | 4 | <$5M | Research |