| Sequoia Automatic, Inc. | Manufacturing | $885,250 | $890,217 | 64 | $15.6M | AI Deep Dive |
| Crystal Lake Chrysler Jeep Dodge Ram Inc. | Retail Trade | $874,715 | $879,963 | 63 | $15.9M | AI Deep Dive |
| Crystal Lake Chrysler Jeep Dodge Ram INC | Retail Trade | $874,700 | $881,479 | 60 | $15.1M | AI Deep Dive |
| Mad Dash INC | Construction | $850,837 | $860,716 | 72 | $23.7M | AI Deep Dive |
| The Springs at Crystal Lake, LLC | Health Care and Social Assistance | $841,476 | $854,449 | 100 | $17.0M | AI Deep Dive |
| Anderson Motor Company of Crystal Lake, Inc. | Retail Trade | $819,500 | $827,605 | 84 | $21.2M | AI Deep Dive |
| Anderson Motor Company of Crystal Lake INC | Retail Trade | $819,500 | $824,529 | 65 | $16.4M | AI Deep Dive |
| Mad Dash, Inc. | Other Services (except Public Administration) | $795,000 | $801,139 | 63 | $12.3M | AI Deep Dive |
| Mathews Company | Manufacturing | $749,600 | $753,827 | 55 | $14.4M | AI Deep Dive |
| The Springs at Crystal Lake LLC | Health Care and Social Assistance | $741,465 | $746,779 | 82 | $14.0M | AI Deep Dive |
| Nimco Corporation | Manufacturing | $708,777 | $716,692 | 42 | $11.0M | AI Deep Dive |
| Geske and Sons, Inc. | Mining, Quarrying, and Oil and Gas Extraction | $689,400 | $695,356 | 40 | <$5M | AI Deep Dive |
| Nimco Corporation | Manufacturing | $687,300 | $696,369 | 42 | $11.0M | AI Deep Dive |
| Companion Animal Specialty & Emergency Hospital | Professional, Scientific, and Technical Services | $663,400 | $668,431 | 47 | $6.6M | AI Deep Dive |
| Marquis Hotels LLC | Accommodation and Food Services | $662,694 | $669,811 | 67 | $21.0M | AI Deep Dive |
| Working World, Inc. | Administrative and Support and Waste Management | $646,700 | $650,544 | 140 | $22.0M | AI Deep Dive |
| Induction Heat Treating Corporation | Manufacturing | $643,400 | $651,282 | 56 | $13.7M | AI Deep Dive |
| Induction Heat Treating Corporation | Manufacturing | $643,400 | $648,386 | 51 | $12.5M | AI Deep Dive |
| Chicago Plastic Systems Inc. | Manufacturing | $642,542 | $646,112 | 49 | $48.6M | AI Deep Dive |
| Chicago Plastic Systems, Inc. | Manufacturing | $585,900 | $589,998 | 49 | $48.6M | AI Deep Dive |
| Lakewood Solutions LLC | Health Care and Social Assistance | $552,400 | $556,002 | 40 | $6.5M | AI Deep Dive |
| Gallant Construction Company Inc. | Construction | $548,800 | $551,559 | 30 | $34.2M | AI Deep Dive |
| Zukowski Rodgers Flood & Mcardle | Professional, Scientific, and Technical Services | $543,400 | $547,642 | 29 | $7.0M | AI Deep Dive |
| Sunset Logistics LLC | Transportation and Warehousing | $535,200 | $538,738 | 27 | $10.5M | AI Deep Dive |
| Gallant Construction Company Inc. | Construction | $534,000 | $537,516 | 35 | $39.9M | AI Deep Dive |