| Meiborg Companies, Inc. | Transportation and Warehousing | $1,984,059 | $2,002,323 | 165 | $24.9M |  AI Deep Dive |
| Goodwill Industries of Northern Illinois and Wisconsin State | Other Services (except Public Administration) | $1,977,620 | $1,992,466 | 500 | $95.5M | AI Deep Dive |
| Spider Company, Inc. | Manufacturing | $1,792,000 | $1,813,553 | 210 | $55.0M | AI Deep Dive |
| Furst Services Company | Administrative and Support and Waste Management | $1,744,300 | $1,755,339 | 399 | $62.8M | AI Deep Dive |
| Corporate Employment Services, Inc. | Administrative and Support and Waste Management | $1,718,095 | $1,729,507 | 360 | $56.7M | AI Deep Dive |
| The Caldwell Group, Inc. | Manufacturing | $1,687,000 | $1,703,448 | 122 | $31.9M | AI Deep Dive |
| Nelson Fire Protection Co. | Construction | $1,643,100 | $1,660,881 | 58 | $18.3M | AI Deep Dive |
| J&m Plating, Inc. | Manufacturing | $1,633,400 | $1,653,717 | 133 | $32.5M | AI Deep Dive |
| Anderson Dealerships, Inc. | Retail Trade | $1,613,500 | $1,626,496 | 159 | $40.1M | AI Deep Dive |
| Fairhaven Christian Retirement Center | Health Care and Social Assistance | $1,612,407 | $1,621,198 | 270 | N/A | AI Deep Dive |
| Sems and Specials INC | Manufacturing | $1,566,600 | $1,497,964 | 92 | $22.5M | AI Deep Dive |
| Cincinnati Tool Steel Co. | Wholesale Trade | $1,563,000 | $1,578,887 | 159 | $48.7M | AI Deep Dive |
| Specialty Screw Corporation | Manufacturing | $1,559,300 | $1,578,610 | 105 | $25.7M | AI Deep Dive |
| Kaney Aerospace Inc. | Professional, Scientific, and Technical Services | $1,557,110 | $1,573,676 | 96 | $11.8M | AI Deep Dive |
| Cincinnati Tool Steel Co. | Wholesale Trade | $1,554,769 | $1,564,566 | 155 | $47.5M | AI Deep Dive |
| Advance Machine & Engineering | Manufacturing | $1,535,300 | $1,549,770 | 130 | $34.0M | AI Deep Dive |
| Lou Bachrodt Chvrolet Co | Retail Trade | $1,521,000 | $1,533,084 | 144 | $36.3M | AI Deep Dive |
| Austriaco Dental Associates, LLC | Health Care and Social Assistance | $1,469,488 | $871,941 | 86 | $19.9M | AI Deep Dive |
| Furst Staffing Services INC | Administrative and Support and Waste Management | $1,452,229 | $1,236,027 | 253 | $39.8M | AI Deep Dive |
| In Home Medical Group, LLC | Health Care and Social Assistance | $1,434,800 | $1,452,489 | 139 | $23.8M | AI Deep Dive |
| Ymca of Rock River Valley | Other Services (except Public Administration) | $1,415,200 | $1,431,329 | 498 | N/A | AI Deep Dive |
| Alpha Controls & Services, L.l.c. | Construction | $1,371,100 | $1,385,337 | 71 | $22.5M | AI Deep Dive |
| Sems and Specials INC | Manufacturing | $1,370,002 | $1,378,147 | 87 | $21.3M | AI Deep Dive |
| J&m Plating Inc. | Manufacturing | $1,334,355 | $1,558,335 | 122 | $29.8M | AI Deep Dive |
| Stenstrom Excavation & Blacktop, Inc. | Construction | $1,317,800 | $1,325,165 | 70 | $23.9M | AI Deep Dive |