| Accurate Personnel LLC | Administrative and Support and Waste Management | $10,000,000 | $10,116,389 | 500 | $78.7M |  Research |
| Links Technology Solutions, Inc. | Professional, Scientific, and Technical Services | $10,000,000 | $1,103,628 | 62 | $6.4M | Research |
| 3d Exhibits Inc. | Administrative and Support and Waste Management | $6,492,700 | $5,807,443 | 187 | $35.4M | Research |
| Sunstar Americas INC | Manufacturing | $6,230,492 | $6,302,185 | 435 | $121.5M | Research |
| Sasser Family Holdings INC | Real Estate and Rental and Leasing | $6,032,662 | $6,373,114 | 336 | $151.8M | Research |
| Patrick Schaumburg Automobiles, Inc. | Retail Trade | $5,815,132 | $5,884,626 | 437 | $110.1M | Research |
| Friendship Senior Options, Nfp | Health Care and Social Assistance | $5,742,000 | $5,806,757 | 500 | N/A | Research |
| Novaspect, Inc. | Professional, Scientific, and Technical Services | $5,725,900 | $5,789,203 | 260 | $32.1M | Research |
| Northwest Pallet Services, LLC | Manufacturing | $5,386,500 | $5,448,039 | 500 | $495.9M | Research |
| Ala Carte Entertainment, Inc. | Accommodation and Food Services | $5,266,617 | $5,328,061 | 403 | $71.6M | Research |
| Courier One Express INC | Transportation and Warehousing | $5,071,100 | $5,123,220 | 500 | $116.5M | Research |
| Schaumburg Toyota, Inc. | Retail Trade | $4,993,200 | $5,052,286 | 411 | $103.6M | Research |
| A Lamp Concrete Contractors, Inc. | Construction | $4,982,912 | $5,043,814 | 231 | $71.6M | Research |
| Kuriyama of America. Inc. | Wholesale Trade | $4,602,205 | $4,662,801 | 322 | $98.6M | Research |
| American Insurance Acquisition Inc. | Finance and Insurance | $4,600,500 | $4,651,617 | 210 | $107.9M | Research |
| Wozniak Industries, Inc. | Manufacturing | $3,500,000 | $3,541,904 | 198 | $48.4M | Research |
| Network Services Company | Wholesale Trade | $3,447,367 | $3,486,500 | 191 | $49.2M | Research |
| Rtm Engineering Consultants, LLC | Professional, Scientific, and Technical Services | $2,991,121 | $3,025,768 | 170 | $21.0M | Research |
| Thermos LLC | Manufacturing | $2,797,900 | $2,476,419 | 123 | $30.1M | Research |
| Barrington Orthopedic Specialists, Ltd | Health Care and Social Assistance | $2,576,712 | $2,603,483 | 212 | $66.5M | Research |
| Cyberbridge International Inc, DBA Creospan ,inc. | Professional, Scientific, and Technical Services | $2,393,030 | $2,420,550 | 128 | $26.5M | Research |
| Fullerton Engineering Consltnt | Information | $2,254,000 | $2,281,111 | 111 | $18.6M | Research |
| S&s Truck Parts, LLC | Wholesale Trade | $2,190,097 | $2,219,609 | 168 | $51.5M | Research |
| Network Data Systems, Inc. | Professional, Scientific, and Technical Services | $2,080,200 | $2,099,557 | 122 | $25.2M | Research |
| Nova Fire Protection, Inc. | Construction | $2,019,700 | $2,043,712 | 82 | $25.9M | Research |