| 1 | baird & warner palatine | €196.5M | 3,000 | 70 | B |
| 2 | HOTBIN Composting of North America | €76.6M | 350 | 60 | C+ |
| 3 | XADO TECH LLC. | €69.4M | 350 | 60 | C+ |
| 4 | Aimtron Technologies | €66.5M | 350 | 60 | C+ |
| 5 | Fresh Xpress Inc | €51.0M | 125 | 60 | C+ |
| 6 | INTERNATIONAL PAPILLOMAVIRUS SOCIETY - IPVS | €36.4M | 350 | 60 | C+ |
| 7 | OMI Industries (Natural Odor Control) | €36.2M | 125 | 60 | C+ |
| 8 | Fresh Wave IAQ Natural Commercial Odor Eliminators | €36.2M | 125 | 60 | C+ |
| 9 | SUNGOR TRANSPORTATION INC | €34.3M | 125 | 60 | C+ |
| 10 | Dolche Truckload Corp. | €34.3M | 125 | 60 | C+ |
| 11 | allied air conditioning & heat | €28.2M | 125 | 60 | C+ |
| 12 | Cornerstone Bancorp Inc. (Palatine, IL) | €26.3M | 125 | 60 | C+ |
| 13 | stoller wholesale wine & spirits | €24.9M | 125 | 60 | C+ |
| 14 | arlington toyota/scion | €23.8M | 125 | 60 | C+ |
| 15 | IEEE Chicago / Rockford Consultants' Network | €23.7M | 125 | 60 | C+ |
| 16 | SelectConnect Technologies | €23.7M | 125 | 60 | C+ |
| 17 | Aimtron Electronics Pvt. Ltd. | €23.7M | 125 | 60 | C+ |
| 18 | ProConnect Events | €23.1M | 350 | 60 | C+ |
| 19 | Pacific Tango Group | €23.0M | 30 | 60 | C+ |
| 20 | Execucom Inc | €21.3M | 125 | 60 | C+ |
| 21 | Boca Research Inc | €21.3M | 125 | 60 | C+ |
| 22 | Inventix Labs | €21.3M | 125 | 60 | C+ |
| 23 | Four Napkin Hospitality Group | €20.5M | 125 | 60 | C+ |
| 24 | Loberg Construction Company | €18.9M | 125 | 60 | C+ |
| 25 | tiger home improvement | €18.9M | 125 | 60 | C+ |
| 26 | pcs power & communications solutions inc | €18.9M | 125 | 60 | C+ |
| 27 | Building Design+Construction Media | €18.9M | 125 | 60 | C+ |
| 28 | NEWKO Prototype & Short Run Metal Stampings | €15.3M | 125 | 60 | C+ |
| 29 | newko | €15.3M | 125 | 60 | C+ |
| 30 | PGS Gold Buyers | €12.2M | 30 | 60 | C+ |
| 31 | FIX THIS! MUSICAL INSTRUMENT REPAIR, INC. | €12.2M | 30 | 60 | C+ |
| 32 | Great Lakes Shipping | €12.2M | 30 | 60 | C+ |
| 33 | aimtron electronics limited | €12.2M | 125 | 60 | C+ |
| 34 | Euro Fresh | €12.2M | 30 | 60 | C+ |
| 35 | FieldFreedom | €11.1M | 125 | 60 | C+ |
| 36 | Technical Source Inc. | €11.1M | 125 | 60 | C+ |
| 37 | Vanguard Insurance Agency | €11.0M | 30 | 60 | C+ |
| 38 | FORAN FINANCIAL, INC. | €11.0M | 30 | 60 | C+ |
| 39 | Mature Health Services, Inc. | €11.0M | 30 | 60 | C+ |
| 40 | HOH Water Technology, Inc. | €9.3M | 125 | 50 | C |
| 41 | cap & sol inc | €8.8M | 125 | 50 | C |
| 42 | field freedom | €8.8M | 125 | 50 | C |
| 43 | cleanair instrument rental | €8.5M | 30 | 50 | C |
| 44 | BUDS LLC ( Car Carrier ) | €8.2M | 30 | 50 | C |
| 45 | starck & co | €8.2M | 125 | 50 | C |
| 46 | keller williams team realty, palatine | €8.2M | 125 | 50 | C |
| 47 | Vestis Group (a division of CMS, Inc.) | €7.4M | 30 | 50 | C |
| 48 | Augies Pizza | €7.4M | 30 | 50 | C |
| 49 | Pro-Optics LLC | €7.3M | 30 | 50 | C |
| 50 | Slumba | €7.2M | 30 | 50 | C |
| 51 | Zinc-Tech | €7.0M | 30 | 50 | C |
| 52 | Crystal Home Mortgage Inc | €6.3M | 30 | 50 | C |
| 53 | Capital Forensics, Inc., a part of J.S. Held | €6.3M | 30 | 50 | C |
| 54 | Smart Mortgage Access LLC | €6.3M | 30 | 50 | C |
| 55 | The Inverness Group Inc | €6.3M | 30 | 50 | C |
| 56 | Frank J Pavlica CPA Ltd | €6.3M | 30 | 50 | C |
| 57 | Delaware Savings Bank | €6.3M | 30 | 50 | C |
| 58 | Graf Consulting Inc | €6.3M | 30 | 50 | C |
| 59 | brandts of palatine | €6.0M | 30 | 50 | C |
| 60 | Matsushima Management | €5.9M | 30 | 50 | C |
| 61 | Reiber and Associates Inc | €5.9M | 30 | 50 | C |
| 62 | Seton Engineering Service Corp | €5.9M | 30 | 50 | C |
| 63 | Hennessy Group Inc | €5.7M | 30 | 50 | C |
| 64 | Nuer lighting & Signs Co | €5.7M | 30 | 50 | C |
| 65 | Dauphin Technology Inc | €5.7M | 30 | 50 | C |
| 66 | Medical Data Concepts Inc | €5.5M | 30 | 50 | C |
| 67 | marketnet | €5.5M | 30 | 50 | C |
| 68 | Code211 | €5.1M | 30 | 50 | C |
| 69 | FMR Systems, Inc. | €5.1M | 30 | 50 | C |
| 70 | Procentia, Inc | €5.1M | 30 | 50 | C |
| 71 | UniqueSoft is now Updraft | €5.1M | 30 | 50 | C |
| 72 | Smartbyte Solutions Inc | €5.1M | 30 | 50 | C |
| 73 | PENZYL | €5.1M | 30 | 50 | C |
| 74 | countryside association for people with disabilities | €5.1M | 125 | 50 | C |
| 75 | chicago festival management group | €5.1M | 125 | 50 | C |
| 76 | nirvana lab, inc. | €5.0M | 30 | 50 | C |
| 77 | rumi maki inc. | €5.0M | 30 | 50 | C |
| 78 | lanson dental palatine | €5.0M | 30 | 50 | C |
| 79 | The Bridge Youth & Family Services | €5.0M | 30 | 50 | C |
| 80 | rehabilitation associates of the midwest, sc | €5.0M | 30 | 50 | C |
| 81 | Ellie Mental Health Northern IL (Western Cook and Northern Kane Counties) | €5.0M | 30 | 50 | C |
| 82 | Holiday Inn Express Chicago-Palatine/N Arlngtn Hts | €4.9M | 30 | 50 | C |
| 83 | Best Hotel Products, Inc. | €4.9M | 30 | 50 | C |
| 84 | Skater S Edge | €4.9M | 30 | 50 | C |
| 85 | Bead World, Inc. Palatine, IL | €4.5M | 30 | 50 | C |
| 86 | Dakota Evans Restoration, Inc. | €4.5M | 30 | 50 | C |
| 87 | marson construction repair & maintenance llc | €4.5M | 30 | 50 | C |
| 88 | Tradesman Builders | €4.5M | 30 | 50 | C |
| 89 | Concept Plumbing Inc | €4.5M | 30 | 50 | C |
| 90 | mca construction supply | €4.5M | 30 | 50 | C |
| 91 | Ms Fix It Inc | €4.5M | 30 | 50 | C |
| 92 | gd decorating | €4.5M | 30 | 50 | C |
| 93 | Bergen Construction Corp | €4.5M | 30 | 50 | C |
| 94 | adams painting and decorating, inc. | €4.5M | 30 | 50 | C |
| 95 | Power Light | €4.5M | 30 | 50 | C |
| 96 | Euclid Roofing & Siding | €4.5M | 30 | 50 | C |
| 97 | exact panel works | €4.1M | 30 | 50 | C |
| 98 | executive sales group | €4.1M | 30 | 50 | C |
| 99 | critical systems services | €3.8M | 30 | 50 | C |
| 100 | twin lakes golf course & recreation area | €3.8M | 30 | 50 | C |