| Total Administrative Services Corporation | Finance and Insurance | $10,000,000 | $10,110,137 | 500 | $220.0M |  Research |
| Wisconsin Kenworth, LLC | Other Services (except Public Administration) | $10,000,000 | $10,119,778 | 500 | $98.0M | Research |
| A Life Style Service, Inc. | Administrative and Support and Waste Management | $9,346,000 | $9,448,678 | 500 | $78.7M | Research |
| Westphal & Company, Inc. | Construction | $7,167,272 | $7,248,959 | 500 | $164.5M | Research |
| Flad & Associates, INC | Professional, Scientific, and Technical Services | $6,915,000 | $6,998,548 | 339 | $105.1M | Research |
| Bell Laboratories, Inc. | Manufacturing | $5,770,465 | $5,846,983 | 449 | $445.3M | Research |
| State Collection Service Inc. | Administrative and Support and Waste Management | $5,669,200 | $5,729,829 | 500 | $94.6M | Research |
| Neugen LLC | Administrative and Support and Waste Management | $4,800,000 | $4,863,635 | 273 | $51.6M | Research |
| Corner Bar Partners One LLC | Retail Trade | $4,607,475 | $4,709,991 | 500 | $55.5M | Research |
| Dewitt LLP | Professional, Scientific, and Technical Services | $4,601,300 | $4,654,499 | 219 | $53.2M | Research |
| Stevens Construction Corp | Construction | $3,927,500 | $3,964,515 | 273 | $311.0M | Research |
| Journey Mental Health Center, Inc. | Health Care and Social Assistance | $3,742,100 | $3,540,273 | 326 | N/A | Research |
| Hartung Brothers, Inc. | Wholesale Trade | $3,715,700 | $3,758,761 | 238 | $61.3M | Research |
| Access Community Health Centers, Inc. | Health Care and Social Assistance | $3,614,600 | $3,654,212 | 270 | N/A | Research |
| Eatstreet, Inc. | Information | $3,611,529 | $3,654,274 | 500 | $84.0M | Research |
| 1901 INC | Construction | $3,602,000 | $3,644,223 | 173 | $54.7M | Research |
| Monona Plumbing and Fire Protection, Inc. | Construction | $3,408,802 | $3,448,307 | 146 | $46.2M | Research |
| Smart Motors, Inc. | Retail Trade | $3,334,600 | $3,372,788 | 264 | $66.5M | Research |
| Sva Certified Public Accountants, S.c. | Professional, Scientific, and Technical Services | $3,281,800 | $3,319,833 | 173 | $55.1M | Research |
| American Business Resource Corporation | Administrative and Support and Waste Management | $3,165,600 | $1,769,130 | 405 | $63.7M | Research |
| Bou Matic LLC | Manufacturing | $2,965,564 | $3,000,409 | 207 | $54.2M | Research |
| Vogel Bros. Building Co. | Construction | $2,892,127 | $2,924,297 | 165 | $188.0M | Research |
| Full Compass Systems Ltd | Retail Trade | $2,865,827 | $2,899,139 | 173 | $53.0M | Research |
| Madison Emergency Physicians, S.c. | Health Care and Social Assistance | $2,843,782 | $2,876,427 | 141 | $44.3M | Research |
| Habush Habush & Rottier S.c. | Professional, Scientific, and Technical Services | $2,658,700 | $2,689,002 | 134 | $32.6M | Research |