| L.f. George, Inc. | Wholesale Trade | $1,135,000 | $1,148,242 | 45 | $13.8M |  Research |
| Mra Service Corporation | Other Services (except Public Administration) | $1,120,500 | $1,134,499 | 81 | $15.5M | Research |
| Next Level Staffing, Ltd. | Administrative and Support and Waste Management | $1,109,000 | $1,118,858 | 220 | $34.6M | Research |
| Embedtek, LLC | Wholesale Trade | $1,103,500 | $1,110,581 | 85 | $26.0M | Research |
| Embedtek LLC | Manufacturing | $1,103,467 | $1,107,666 | 84 | $22.0M | Research |
| Griffin Sales, Inc. | Retail Trade | $1,100,600 | $1,107,746 | 94 | $23.7M | Research |
| Superior Crane Corp | Manufacturing | $1,100,000 | $1,112,936 | 78 | $20.4M | Research |
| Catholic Memorial High School of Waukesha, Inc. | Educational Services | $1,093,600 | $1,063,226 | 82 | N/A | Research |
| Coello and Associates, Inc. | Construction | $1,065,745 | $1,071,643 | 58 | $13.4M | Research |
| Pic Wire & Cable Inc. | Wholesale Trade | $1,064,000 | $1,071,025 | 46 | $14.1M | Research |
| Marriott Construction Inc. | Construction | $1,047,300 | $1,057,424 | 62 | $70.6M | Research |
| Grandview Management Inc. | Accommodation and Food Services | $1,030,100 | $1,039,921 | 136 | $25.4M | Research |
| Mars It Corp | Professional, Scientific, and Technical Services | $1,013,200 | $1,020,362 | 92 | $19.0M | Research |
| Neurotech LLC | Health Care and Social Assistance | $992,900 | $709,147 | 35 | $8.1M | Research |
| Mccoy Leavitt Laskey, LLC | Professional, Scientific, and Technical Services | $974,025 | $983,071 | 45 | $10.9M | Research |
| Arrow-Crete Construction LLC | Construction | $972,255 | $989,999 | 36 | $13.5M | Research |
| Giles Engineering Associates, Inc. | Professional, Scientific, and Technical Services | $932,397 | $938,539 | 60 | $7.4M | Research |
| Telkonet, INC | Manufacturing | $913,063 | $920,493 | 39 | $10.2M | Research |
| Telkonet INC | Manufacturing | $913,063 | $916,565 | 36 | $9.4M | Research |
| Emergency Medical Associates LLP | Health Care and Social Assistance | $910,700 | $920,730 | 31 | $5.5M | Research |
| Arrow-Crete Construction, LLC | Construction | $887,300 | $899,205 | 20 | $6.8M | Research |
| Boucher Nissan of Waukesha, Inc. | Retail Trade | $887,035 | $898,843 | 76 | $19.2M | Research |
| The Remond Company | Construction | $885,370 | $893,787 | 40 | $45.6M | Research |
| Boucher Ventures, Inc. | Retail Trade | $877,110 | $888,714 | 76 | $19.2M | Research |
| Lalonde Contractors, Inc. | Construction | $875,988 | $885,550 | 36 | $11.2M | Research |