| Loyola Academy | Educational Services | $4,869,270 | $4,925,943 | 297 | N/A |  Research |
| L J Thalmann Company | Retail Trade | $2,221,520 | $1,994,405 | 208 | $42.9M | Research |
| Ch Ventures LLC | Real Estate and Rental and Leasing | $1,800,100 | $1,817,701 | 201 | $30.1M | Research |
| Providence Management Company, LLC | Real Estate and Rental and Leasing | $1,792,500 | $1,406,693 | 202 | $30.3M | Research |
| Chicagoland Fitness Hr, LLC | Arts, Entertainment, and Recreation | $1,212,546 | $1,229,522 | 148 | $20.7M | Research |
| Chalet Landscape Co. | Administrative and Support and Waste Management | $1,082,000 | $1,091,167 | 139 | $30.1M | Research |
| Chicagoland Fitness Hr LLC | Arts, Entertainment, and Recreation | $970,369 | $978,347 | 148 | $20.7M | Research |
| Respitecare Care in the Home INC | Health Care and Social Assistance | $927,530 | $934,928 | 62 | $10.6M | Research |
| Metro Chicago Surgical Oncology, LLC | Health Care and Social Assistance | $883,095 | $888,958 | 79 | $24.8M | Research |
| St. Francis Xavier | Other Services (except Public Administration) | $864,665 | $871,823 | 117 | N/A | Research |
| Regina Dominican High School | Educational Services | $730,658 | $734,433 | 56 | N/A | Research |
| Baker Demonstration School | Health Care and Social Assistance | $693,275 | $698,104 | 55 | N/A | Research |
| Intelligent Healthcare.ai LLC | Professional, Scientific, and Technical Services | $645,057 | $652,493 | 16 | <$5M | Research |
| Alter Realty LLC | Real Estate and Rental and Leasing | $641,100 | $369,580 | 38 | $5.7M | Research |
| Citadel Care Center-Wilmette LLC | Health Care and Social Assistance | $640,900 | $647,924 | 83 | $14.1M | Research |
| De Giulio Kitchen Design, Inc. | Construction | $628,160 | $636,214 | 34 | $11.6M | Research |
| Baker Demonstration School | Educational Services | $625,721 | $632,066 | 55 | N/A | Research |
| F. J. Kerrigan Plumbing Co. Inc. | Construction | $590,112 | $595,521 | 35 | $11.1M | Research |
| F. J. Kerrigan Plumbing Co., Inc. | Construction | $590,000 | $595,834 | 47 | $14.9M | Research |
| Bchemerald, LLC | Real Estate and Rental and Leasing | $539,200 | $544,356 | 63 | $9.4M | Research |
| Hoffmann Water Sports LLC | Transportation and Warehousing | $532,180 | $539,143 | 40 | $10.1M | Research |
| Excel Administration Services Inc. | Professional, Scientific, and Technical Services | $491,413 | $498,212 | 51 | $5.3M | Research |
| Excel Administration Services, INC | Administrative and Support and Waste Management | $484,000 | $525,613 | 51 | $9.6M | Research |
| Lenny Hoffman Excavating, Inc. | Construction | $482,000 | $486,070 | 30 | $11.2M | Research |
| North Shore Associates in Gynecology and | Health Care and Social Assistance | $428,047 | $433,011 | 50 | $15.7M | Research |