| Pipe Strong Holdings, LLC | Schaumburg | $1,813,800 | $1,833,280 | 73 | $23.1M |  AI Deep Dive |
| J & E Duff, Inc. | West Chicago | $1,809,752 | $1,829,860 | 66 | $15.3M | AI Deep Dive |
| Sharlen Electric Co. | Chicago | $1,806,957 | $1,821,262 | 94 | $30.9M | AI Deep Dive |
| Sharlen Electric Co. | Chicago | $1,806,957 | $1,820,108 | 82 | $27.0M | AI Deep Dive |
| Ls Contracting Group Inc. | Chicago | $1,803,117 | $1,825,856 | 67 | $76.3M | AI Deep Dive |
| Cecchin Plumbing & Heating, INC | Bloomingdale | $1,802,100 | $1,821,849 | 34 | $10.5M | AI Deep Dive |
| The Bartech Group of Illinois, Inc. | South Holland | $1,801,685 | $0 | 145 | $47.7M | AI Deep Dive |
| J.c. Restoration, Inc. | Rolling Meadows | $1,801,530 | $1,817,844 | 143 | $43.4M | AI Deep Dive |
| Corsetti Structural Steel | Joliet | $1,794,323 | $1,590,180 | 47 | $10.9M | AI Deep Dive |
| South West Industries Inc. | Broadview | $1,792,300 | $1,808,431 | 93 | $29.7M | AI Deep Dive |
| Hard Rock Concrete Cutters, Inc. | Wheeling | $1,791,698 | $1,812,153 | 77 | $26.2M | AI Deep Dive |
| Halverson Construction Co. INC | Springfield | $1,790,800 | $1,810,250 | 51 | $15.8M | AI Deep Dive |
| Hard Rock Concrete Cutters Inc. | Wheeling | $1,789,227 | $1,802,895 | 77 | $26.2M | AI Deep Dive |
| King-Lar Company | Decatur | $1,787,800 | $1,809,058 | 76 | $24.0M | AI Deep Dive |
| Premier Mechanical Inc. | Addison | $1,785,793 | $1,798,690 | 72 | $22.8M | AI Deep Dive |
| Boller Construction Co. Inc. | Waukegan | $1,784,200 | $1,803,508 | 39 | $44.4M | AI Deep Dive |
| Feldco Factory Direct, LLC | Des Plaines | $1,778,859 | $1,799,439 | 127 | $38.6M | AI Deep Dive |
| Laser Electric Inc. | Peoria | $1,773,600 | $1,793,037 | 55 | $18.1M | AI Deep Dive |
| Ck II Contracting, Inc. | Downers Grove | $1,768,700 | $1,780,246 | 95 | $31.3M | AI Deep Dive |
| Mvp Plumbing Corp | Montgomery | $1,768,398 | $1,779,156 | 137 | $43.3M | AI Deep Dive |
| The Linn Contracting Companies, Inc. | Chicago | $1,768,000 | $1,788,828 | 53 | $16.1M | AI Deep Dive |
| Air Rite Heating & Cooling, Inc. | Naperville | $1,765,178 | $1,778,809 | 60 | $19.0M | AI Deep Dive |
| Rossi Contractors INC | Northlake | $1,762,483 | $1,774,330 | 102 | $31.6M | AI Deep Dive |
| Falls Mechanical Insulation INC | Hickory Hills | $1,758,985 | $1,778,041 | 43 | N/A | AI Deep Dive |
| Sanchez Group, INC | Markham | $1,751,300 | $2,514,603 | 121 | $37.5M | AI Deep Dive |