| Schwartzkopf Printing, Inc. | Manufacturing | $222,694 | $225,119 | 22 | $21.8M | AI Deep Dive |
| Van Lenhardt Inc. | Accommodation and Food Services | $215,565 | $218,367 | 47 | $5.8M | AI Deep Dive |
| C.j. Schlosser & Company, LLC | Professional, Scientific, and Technical Services | $210,383 | $211,949 | 15 | <$5M | AI Deep Dive |
| Prairie State Salvage and Recycling, Inc. | Wholesale Trade | $205,800 | $206,956 | 20 | $6.1M | AI Deep Dive |
| Shiv Sil Hotel LLC | Accommodation and Food Services | $202,931 | $204,427 | 31 | $9.7M | AI Deep Dive |
| 2103 Restaurant Group LLC | Accommodation and Food Services | $200,046 | $201,841 | 25 | <$5M | AI Deep Dive |
| Loy Miller Talley, PC | Professional, Scientific, and Technical Services | $200,033 | $202,296 | 17 | $5.4M | AI Deep Dive |
| Industrial Motor Repair, LLC | Other Services (except Public Administration) | $195,600 | $197,866 | 17 | <$5M | AI Deep Dive |
| Andy's Auto Body of Alton, Incorporated | Other Services (except Public Administration) | $193,000 | $132,426 | 20 | <$5M | AI Deep Dive |
| Moody Hanahan Dentistry, LLC | Health Care and Social Assistance | $187,700 | $190,098 | 12 | <$5M | AI Deep Dive |
| Bluff City Grill LLC | Accommodation and Food Services | $180,000 | $181,370 | 37 | $6.6M | AI Deep Dive |
| Orthopedic & Sports Medicine PC | Health Care and Social Assistance | $165,382 | $166,342 | 17 | $5.3M | AI Deep Dive |
| Gentelins On Broadway | Accommodation and Food Services | $162,610 | $163,527 | 23 | <$5M | AI Deep Dive |
| Today's Advantage, LLC | Information | $160,412 | $136,861 | 15 | <$5M | AI Deep Dive |
| Chapel and Keller Dentistry Partnership | Health Care and Social Assistance | $157,545 | $159,545 | 16 | <$5M | AI Deep Dive |
| Alton Refrigeration Co. | Retail Trade | $156,200 | $157,527 | 16 | <$5M | AI Deep Dive |
| One Transportation LLC | Transportation and Warehousing | $156,200 | $157,296 | 22 | $6.8M | AI Deep Dive |
| Inspector Plumber 1, Inc. | Construction | $154,792 | $155,652 | 9 | <$5M | AI Deep Dive |
| Dr. Kimberly D. Haug P.c. | Health Care and Social Assistance | $154,365 | $155,621 | 7 | <$5M | AI Deep Dive |
| Van Lenhardt INC | Accommodation and Food Services | $153,975 | $155,006 | 47 | $5.8M | AI Deep Dive |
| Orthopedic & Sports Medicine Clinic | Health Care and Social Assistance | $153,889 | $154,855 | 19 | $6.0M | AI Deep Dive |
| St Peters Hardware & Rental INC | Retail Trade | $151,475 | $152,830 | 25 | $5.2M | AI Deep Dive |
| Alton Sheet Metal Corporation | Construction | $150,347 | $151,212 | 11 | <$5M | AI Deep Dive |
| Roberts Motors Inc. | Retail Trade | $150,000 | $150,854 | 53 | $13.4M | AI Deep Dive |
| Brunaugh Construction & Design | Construction | $149,875 | $150,499 | 25 | $7.6M | AI Deep Dive |