| Dunnet Bay Construction Company | Construction | $4,355,000 | $4,420,862 | 77 | $23.9M |  Research |
| Painters Usa, Inc. | Construction | $2,446,100 | $2,473,711 | 200 | $50.5M | Research |
| Universal Beauty Products INC | Manufacturing | $2,358,447 | $2,464,961 | 194 | $192.4M | Research |
| Chicago Blower Corporation | Manufacturing | $1,894,100 | $1,906,990 | 112 | $29.3M | Research |
| Becker Logistics LLC | Professional, Scientific, and Technical Services | $1,854,552 | $1,871,037 | 86 | $8.9M | Research |
| Medefil INC | Manufacturing | $1,351,288 | $1,364,763 | 87 | $86.3M | Research |
| Medefil INC | Manufacturing | $1,315,675 | $1,327,151 | 98 | $97.2M | Research |
| Becker Logistics LLC | Professional, Scientific, and Technical Services | $1,301,754 | $1,308,335 | 87 | $9.0M | Research |
| Northstar Industries, Inc. | Manufacturing | $1,284,942 | $1,298,549 | 107 | $26.2M | Research |
| Northstar Industries INC | Manufacturing | $1,276,520 | $1,286,493 | 85 | $20.8M | Research |
| Mechanical Servants, LLC | Wholesale Trade | $1,245,595 | $1,257,334 | 98 | $25.2M | Research |
| Sunrise Chevrolet INC | Retail Trade | $1,206,530 | $1,220,380 | 98 | $24.7M | Research |
| Screws Industries Inc. | Manufacturing | $1,079,000 | $1,086,703 | 90 | $22.0M | Research |
| Spellmatt Motors INC | Retail Trade | $1,058,000 | $1,066,261 | 105 | $26.5M | Research |
| Paul Reilly Company Illinois, Inc. | Manufacturing | $1,033,773 | $1,040,923 | 59 | $15.4M | Research |
| Concord Marketing Solutions, Inc. | Professional, Scientific, and Technical Services | $1,022,645 | $1,033,363 | 75 | $17.4M | Research |
| Jnr Customatic Screw, Inc. | Professional, Scientific, and Technical Services | $1,004,751 | $1,013,626 | 89 | $11.0M | Research |
| Concord Marketing Solutions Inc. | Professional, Scientific, and Technical Services | $989,625 | $997,195 | 75 | $17.4M | Research |
| Simmons Knife & Saw, LLC DBA Simmons Kn Ife & Saw, LLC | Manufacturing | $968,937 | $974,476 | 78 | $19.1M | Research |
| Jnr Custo-Matic Screw Inc. | Professional, Scientific, and Technical Services | $961,477 | $972,801 | 79 | $9.7M | Research |
| Glendale Nissan, Inc. | Retail Trade | $919,067 | $929,560 | 57 | $14.4M | Research |
| Glendale Nissan Inc. | Retail Trade | $919,067 | $925,373 | 57 | $14.4M | Research |
| Robert C. Weisheit Co., Inc. | Manufacturing | $889,700 | $894,692 | 57 | $13.9M | Research |
| Ajr International, Inc. | Unknown | $842,997 | $850,203 | 91 | N/A | Research |
| Rankin Inc. | Construction | $792,630 | $798,068 | 46 | $15.7M | Research |