| Marquardt Memorial Manor, Inc. | Health Care and Social Assistance | $3,063,465 | $3,099,120 | 227 | N/A |  Research |
| Creative Community Living Services, Incorporated | Health Care and Social Assistance | $2,685,000 | $2,716,325 | 250 | N/A | Research |
| Fisher Barton Specialty Products, INC | Manufacturing | $2,528,600 | $2,557,627 | 180 | $44.0M | Research |
| Fisher Barton Blades, Inc. | Manufacturing | $2,230,870 | $2,256,418 | 143 | $37.4M | Research |
| Maranatha Baptist University, Inc. | Educational Services | $2,001,700 | $2,025,053 | 204 | N/A | Research |
| Esop | Manufacturing | $1,609,815 | $1,616,034 | 102 | $24.9M | Research |
| Spuncast INC | Manufacturing | $1,543,700 | $1,559,518 | 120 | $29.3M | Research |
| Ad-Tech Industries, Inc. | Manufacturing | $1,193,200 | $1,205,622 | 120 | $29.3M | Research |
| Ad-Tech Industries Inc. | Manufacturing | $1,110,800 | $1,119,108 | 120 | $29.3M | Research |
| Baso Gas Products LLC | Manufacturing | $898,300 | $905,265 | 61 | $14.9M | Research |
| Luther Preparatory School, Inc. | Educational Services | $835,400 | $840,041 | 64 | N/A | Research |
| Innerpak of Wisconsin, Inc. | Manufacturing | $647,000 | $654,232 | 73 | $72.4M | Research |
| Maas Bros. Construction Co Inc. | Construction | $591,200 | $595,411 | 31 | $35.3M | Research |
| Maas Bros. Construction Co., Inc. | Construction | $588,700 | $592,974 | 31 | $35.3M | Research |
| Rock River Laboratory, Inc. | Agriculture, Forestry, Fishing and Hunting | $530,000 | $537,739 | 55 | <$5M | Research |
| Seven-Up Bottling Company of Watertown | Manufacturing | $520,700 | $524,409 | 83 | $29.3M | Research |
| Holz Motors, Inc. - Watertown | Retail Trade | $479,200 | $454,184 | 44 | $11.1M | Research |
| Watertown Family Practice S.c. | Health Care and Social Assistance | $448,567 | $449,863 | 32 | $10.0M | Research |
| Watertown Family Practice Associates, S.c. | Health Care and Social Assistance | $448,500 | $451,029 | 31 | $9.7M | Research |
| Thermo-Tech Mechanical Insulation, Inc. | Construction | $431,532 | $433,517 | 32 | $8.1M | Research |
| J&c Tater Enterprises, LLC | Retail Trade | $429,225 | $433,362 | 100 | $15.6M | Research |
| Thermo-Tech Mechanical Insulation | Construction | $422,468 | $423,993 | 33 | $11.2M | Research |
| Kusel Equipment Co | Manufacturing | $417,000 | $419,548 | 22 | $5.8M | Research |
| Kusel Equipment Co | Manufacturing | $417,000 | $420,210 | 26 | $6.8M | Research |
| Grinwald Ford, Inc. | Retail Trade | $397,200 | $401,455 | 32 | $8.1M | Research |