| Auffenberg Ford North, Inc. | Retail Trade | $1,468,357 | $1,485,985 | 154 | $38.8M | AI Deep Dive |
| St. Clair Nissan, Inc. | Retail Trade | $1,282,457 | $1,297,294 | 79 | $19.9M | AI Deep Dive |
| St. Clair Volkswagen, INC | Retail Trade | $612,150 | $619,549 | 34 | $8.6M | AI Deep Dive |
| Auffenberg Hyundai, Inc. | Retail Trade | $588,355 | $595,418 | 54 | $13.6M | AI Deep Dive |
| St. Clair Imports, Inc. | Retail Trade | $281,280 | $284,657 | 20 | $5.0M | AI Deep Dive |
| Auffenberg Motors of Illinois, Inc. | Retail Trade | $264,635 | $267,862 | 17 | <$5M | AI Deep Dive |
| Cost Financial Group, Inc. | Finance and Insurance | $125,222 | $125,894 | 8 | <$5M | AI Deep Dive |
| O'fallon Hardware, LLC | Retail Trade | $81,700 | $82,327 | 18 | <$5M | AI Deep Dive |
| Ferrell Chiropractic, LLC | Health Care and Social Assistance | $70,000 | $70,464 | 8 | <$5M | AI Deep Dive |
| Glen E Dempcy | Real Estate and Rental and Leasing | $62,689 | $63,224 | 5 | <$5M | AI Deep Dive |
| Magnum Rotating and Pumps Inc. | Other Services (except Public Administration) | $55,635 | $56,229 | 4 | <$5M | AI Deep Dive |
| F_m Exteriors | Administrative and Support and Waste Management | $51,080 | $51,417 | 6 | <$5M | AI Deep Dive |
| Boatman Homes, Inc. | Retail Trade | $48,100 | $48,648 | 5 | <$5M | AI Deep Dive |
| Jill Pietrusinski | Finance and Insurance | $45,260 | $45,694 | 4 | <$5M | AI Deep Dive |
| Wicinski & Evans Lawn Care LLC | Administrative and Support and Waste Management | $32,775 | $32,964 | 4 | <$5M | AI Deep Dive |
| Elafros, Cpa, LLC | Professional, Scientific, and Technical Services | $32,228 | $32,508 | 7 | <$5M | AI Deep Dive |
| Flament LLC | Accommodation and Food Services | $30,474 | $30,752 | 6 | <$5M | AI Deep Dive |
| T. W. Liquors, Inc. | Retail Trade | $25,300 | $25,435 | 8 | <$5M | AI Deep Dive |
| Rlse LLC | Transportation and Warehousing | $20,833 | $20,987 | 3 | <$5M | AI Deep Dive |
| Rlh Transportation, LLC | Transportation and Warehousing | $20,833 | $20,986 | 2 | <$5M | AI Deep Dive |
| John Kafer | Finance and Insurance | $20,833 | $21,033 | 1 | <$5M | AI Deep Dive |
| Ryan Goldman | Professional, Scientific, and Technical Services | $20,833 | $21,013 | 1 | <$5M | AI Deep Dive |
| Enhanced Metrics, LLC | Professional, Scientific, and Technical Services | $20,833 | $21,027 | 1 | <$5M | AI Deep Dive |
| K & N Partners, Inc. | Accommodation and Food Services | $20,723 | $20,876 | 5 | <$5M | AI Deep Dive |
| Akila Hudson | Other Services (except Public Administration) | $20,525 | $0 | 1 | <$5M | AI Deep Dive |