| 1 | Hufcor, Inc | €207.2M | 350 | 70 | B |
| 2 | GallinaUSA, LLC | €80.1M | 350 | 60 | C+ |
| 3 | SurfaceCo | €74.0M | 125 | 60 | C+ |
| 4 | ANGI Energy Systems | A Vontier Company | €70.0M | 350 | 60 | C+ |
| 5 | United Alloy | €70.0M | 350 | 60 | C+ |
| 6 | The School District of Janesville | €60.8M | 531 | 60 | C+ |
| 7 | HARRIS ACE HARDWARE L.L.P. | €51.0M | 125 | 60 | C+ |
| 8 | InsuranceTPA.com | €45.9M | 125 | 60 | C+ |
| 9 | REALTORS® Insurance Place | €45.9M | 125 | 60 | C+ |
| 10 | united alloy, inc | €42.9M | 350 | 60 | C+ |
| 11 | Rock County Human Services | €35.2M | 350 | 60 | C+ |
| 12 | Wheaton Van Lines | €34.3M | 125 | 60 | C+ |
| 13 | SSI Technologies, Inc | €33.3M | 125 | 60 | C+ |
| 14 | amwood homes, inc. | €32.4M | 125 | 60 | C+ |
| 15 | Amwood Building Systems | €32.4M | 125 | 60 | C+ |
| 16 | Bremner Inc | €30.8M | 125 | 60 | C+ |
| 17 | NORTH EAST MACHINE & TOOL CO. | €29.2M | 125 | 60 | C+ |
| 18 | Rock Energy Systems LLC | €29.2M | 125 | 60 | C+ |
| 19 | Precision Drawn Metals, Inc. | €29.2M | 125 | 60 | C+ |
| 20 | Blain Supply Co | €27.4M | 125 | 60 | C+ |
| 21 | NBC National Marketing, Inc | €26.3M | 125 | 60 | C+ |
| 22 | Universal Recycling Technologies, LLC. | €26.1M | 350 | 60 | C+ |
| 23 | Bliss Communications | €23.1M | 350 | 60 | C+ |
| 24 | SAM VAN GALDER INC | €22.5M | 125 | 60 | C+ |
| 25 | Chick-fil-A Janesville | €20.5M | 125 | 60 | C+ |
| 26 | cornerstone construction of janesville inc | €18.9M | 125 | 60 | C+ |
| 27 | Mercy Health Services Corp | €18.9M | 350 | 60 | C+ |
| 28 | Saint Elizabeth Home | €18.9M | 350 | 60 | C+ |
| 29 | JANESVILLE BRICK & TILE CO., INC | €17.8M | 30 | 60 | C+ |
| 30 | kay park rec corp | €15.9M | 125 | 60 | C+ |
| 31 | Petes Meats Llc | €15.3M | 30 | 60 | C+ |
| 32 | SINY CORP DBA MONTEREY MILLS | €13.0M | 125 | 60 | C+ |
| 33 | LLOYDS PLUMBING AND HEATING CORP. | €12.2M | 30 | 60 | C+ |
| 34 | Addie Water Systems Inc | €12.2M | 30 | 60 | C+ |
| 35 | Northland Equipment Co., Inc. | €12.2M | 30 | 60 | C+ |
| 36 | Josleyn Transport LLC | €12.2M | 30 | 60 | C+ |
| 37 | FORZACK INC | €12.2M | 30 | 60 | C+ |
| 38 | Aryv | €12.2M | 30 | 60 | C+ |
| 39 | Hagen Johnson Group | €12.2M | 30 | 60 | C+ |
| 40 | lorianna’s sweetlife bakery | €12.2M | 30 | 60 | C+ |
| 41 | hailey’s sweets and treats | €12.2M | 30 | 60 | C+ |
| 42 | mansur trucking, inc. | €12.0M | 125 | 60 | C+ |
| 43 | hesser toyota, inc | €11.6M | 125 | 60 | C+ |
| 44 | J K Insurance | €11.0M | 30 | 60 | C+ |
| 45 | IDI-Johnson Automation | €10.8M | 30 | 60 | C+ |
| 46 | Ssm Oil Co | €9.4M | 30 | 50 | C |
| 47 | Far Away Travel | €8.5M | 30 | 50 | C |
| 48 | ROCK VALLEY TRUCKING CO INC | €8.2M | 30 | 50 | C |
| 49 | Van Galder Bus/Coach USA | €8.2M | 30 | 50 | C |
| 50 | Service 360 LLC | €7.8M | 125 | 50 | C |
| 51 | gallina usa llc | €7.8M | 30 | 50 | C |
| 52 | Janesville Tool & Mfg., Inc | €7.0M | 30 | 50 | C |
| 53 | Enginaire Clean Air Systems | €7.0M | 30 | 50 | C |
| 54 | Precision Screw Products Inc | €7.0M | 30 | 50 | C |
| 55 | Green-Tek Inc. | €6.9M | 30 | 50 | C |
| 56 | GO-GREEN Food Packaging Specialists | €6.9M | 30 | 50 | C |
| 57 | Cedar Crest, Inc. - Retirement Living | €6.7M | 125 | 50 | C |
| 58 | St. Elizabeth Campus | €6.7M | 125 | 50 | C |
| 59 | tactical gear inc | €6.6M | 30 | 50 | C |
| 60 | Congressman Paul Ryan | €6.6M | 30 | 50 | C |
| 61 | muskego / wind lake animal hospital | €6.3M | 30 | 50 | C |
| 62 | Tom Jones II - Country Financial Representative | €6.3M | 30 | 50 | C |
| 63 | COMO Filtration Systems | €6.0M | 30 | 50 | C |
| 64 | vital living center | €6.0M | 30 | 50 | C |
| 65 | olivia's pantry | €6.0M | 30 | 50 | C |
| 66 | south padre sea food | €6.0M | 30 | 50 | C |
| 67 | Full Throttle Technologies | €5.9M | 30 | 50 | C |
| 68 | Rock County Honda | €5.9M | 30 | 50 | C |
| 69 | Boardtracker Harley-Davidson | €5.7M | 30 | 50 | C |
| 70 | Budget Truck and Auto, Inc | €5.7M | 30 | 50 | C |
| 71 | N1 Critical Technologies Inc (N1C) | €5.7M | 30 | 50 | C |
| 72 | Janesville Performing Arts Ctr | €5.6M | 30 | 50 | C |
| 73 | Fetch Graphics, LLC | €5.5M | 30 | 50 | C |
| 74 | Parker Community Credit Union | €5.4M | 30 | 50 | C |
| 75 | best events catering | €5.1M | 125 | 50 | C |
| 76 | mercy hospital & trauma emergency north | €5.0M | 30 | 50 | C |
| 77 | mercy health mall | €5.0M | 30 | 50 | C |
| 78 | Janesville Country Club Inc | €4.9M | 30 | 50 | C |
| 79 | wheelock electric | €4.5M | 30 | 50 | C |
| 80 | Quality Fab Inc | €4.5M | 30 | 50 | C |
| 81 | Tri-Cor Mechanical | €4.5M | 30 | 50 | C |
| 82 | simmons fence & specialty product | €4.5M | 30 | 50 | C |
| 83 | southern wisconsin aggregate corporation | €4.5M | 30 | 50 | C |
| 84 | dalmaray concrete products inc | €4.5M | 30 | 50 | C |
| 85 | owens property service, llc | €4.5M | 30 | 50 | C |
| 86 | JNB Signs Incorporated | €4.5M | 30 | 50 | C |
| 87 | ultragreen hydroseeing & irrigation, llc | €4.5M | 30 | 50 | C |
| 88 | i.c.e. flooring, llc | €4.5M | 30 | 50 | C |
| 89 | Ga Architecture Llc | €4.5M | 125 | 50 | C |
| 90 | Kealey Pharmacy | €4.3M | 30 | 50 | C |
| 91 | swanson hydro graphics llc | €4.1M | 30 | 50 | C |
| 92 | Stradiva LLC - Sales and Technical Support, Brazil | €3.8M | 5 | 50 | C |
| 93 | renee’s primitives | €3.8M | 30 | 50 | C |
| 94 | Vision Utility | €3.5M | 30 | 50 | C |
| 95 | URock | UW-Whitewater at Rock County | College of Integrated Studies | €3.4M | 30 | 50 | C |
| 96 | Mr Textiles Llc | €3.1M | 30 | 50 | C |
| 97 | exclusive company corp | €3.1M | 30 | 50 | C |
| 98 | Rock Valley Trucking Co | €3.0M | 5 | 50 | C |
| 99 | Lein Oil Co | €3.0M | 5 | 50 | C |
| 100 | n1c technologies- lithium-ion ups systems | €2.9M | 30 | 50 | C |