| Metaltek International, INC | Manufacturing | $10,000,000 | $10,115,967 | 500 | $130.9M |  Research |
| The Boelter Companies, Inc. | Wholesale Trade | $6,761,505 | $6,850,408 | 467 | $143.1M | Research |
| The Spancrete Group, Inc. | Manufacturing | $5,750,000 | $5,815,534 | 364 | $361.0M | Research |
| Ownersedge Inc. | Wholesale Trade | $4,483,700 | $4,535,170 | 303 | $92.8M | Research |
| Open Sky Education INC | Educational Services | $3,983,600 | $4,035,387 | 432 | N/A | Research |
| Nissen & Associates Staffing Continuum, LLC | Administrative and Support and Waste Management | $3,800,000 | $3,822,279 | 451 | $71.0M | Research |
| Weldall Mfg., Inc. | Manufacturing | $3,766,800 | $3,809,318 | 245 | $59.9M | Research |
| Wisconsin Evangelical Lutheran Synod | Other Services (except Public Administration) | $3,170,000 | $2,664,472 | 205 | N/A | Research |
| A.l. Schutzman Company, Inc. | Manufacturing | $2,877,000 | $2,919,036 | 150 | $52.9M | Research |
| R & R Insurance Services, Inc. | Finance and Insurance | $2,840,900 | $2,874,281 | 177 | $90.9M | Research |
| Dedicated Computing LLC | Manufacturing | $2,679,600 | $2,710,490 | 194 | $50.8M | Research |
| Laureate Housing LLC | Health Care and Social Assistance | $2,560,200 | $2,589,099 | 445 | $75.7M | Research |
| Building Service, Inc. | Professional, Scientific, and Technical Services | $2,462,400 | $2,481,964 | 144 | $33.4M | Research |
| Almon, Inc. | Information | $2,449,705 | $2,478,217 | 202 | $33.9M | Research |
| Suburban Intermediate Holdco, Inc. | Construction | $2,412,100 | $2,459,219 | 216 | $54.6M | Research |
| Boucher Chevrolet, Inc. | Retail Trade | $2,278,517 | $2,311,019 | 211 | $53.2M | Research |
| Zignego Company, Inc. | Construction | $2,260,388 | $2,286,508 | 140 | $43.4M | Research |
| Intelliprise LLC | Professional, Scientific, and Technical Services | $2,126,239 | $2,154,841 | 102 | $21.1M | Research |
| The Marek Group, Inc. | Manufacturing | $2,067,025 | $1,934,824 | 118 | $117.0M | Research |
| Boeing Drive Engineered Systems, Inc. | Professional, Scientific, and Technical Services | $2,022,200 | $2,045,961 | 111 | $13.7M | Research |
| Wilde Autos, INC | Retail Trade | $2,020,782 | $1,439,321 | 200 | $50.4M | Research |
| Midwest Engineered Systems Inc. | Professional, Scientific, and Technical Services | $2,000,000 | $2,014,722 | 101 | $12.5M | Research |
| Building Service Inc. | Construction | $2,000,000 | $2,020,822 | 144 | $24.7M | Research |
| Dedicated Computing LLC | Manufacturing | $2,000,000 | $2,015,833 | 188 | $49.2M | Research |
| Almon Inc. | Arts, Entertainment, and Recreation | $2,000,000 | $2,022,500 | 202 | $33.1M | Research |