| 1 | materials management microsystems | €251.2M | 20,000 | 70 | B |
| 2 | The Mill-Rose Company/Clean-Fit Products | €207.2M | 350 | 70 | B |
| 3 | willoughby supply inc. | €90.8M | 350 | 60 | C+ |
| 4 | US Endoscopy | €85.6M | 350 | 60 | C+ |
| 5 | Mag-Nif Inc. | €76.6M | 350 | 60 | C+ |
| 6 | Partners Home Supply | €74.0M | 125 | 60 | C+ |
| 7 | performance motorsports, inc. | €66.6M | 350 | 60 | C+ |
| 8 | Buyers Products | €66.6M | 350 | 60 | C+ |
| 9 | EYE HORTILUX | €51.0M | 125 | 60 | C+ |
| 10 | Monode Marking Products, Inc | €51.0M | 125 | 60 | C+ |
| 11 | Union Cement Inc | €32.4M | 125 | 60 | C+ |
| 12 | lake/geauga area chapter society for human resources management | €30.0M | 350 | 60 | C+ |
| 13 | PROFAC, INC. DBA MERRITT WOODWORK | €29.9M | 125 | 60 | C+ |
| 14 | Tridelta Industries Inc. | €29.2M | 125 | 60 | C+ |
| 15 | The Sheet Metal Products Co. | €29.2M | 125 | 60 | C+ |
| 16 | Enterprise Welding & Fabricating, Inc. | €29.2M | 125 | 60 | C+ |
| 17 | crescent metal products dba cres cor | €28.2M | 125 | 60 | C+ |
| 18 | star precision technologies, llc | €28.2M | 125 | 60 | C+ |
| 19 | Alloy Precision Technologies, Inc. | €25.0M | 125 | 60 | C+ |
| 20 | chick-fil-a mentor | €24.9M | 125 | 60 | C+ |
| 21 | Mentor Imports (KIA) | €24.8M | 125 | 60 | C+ |
| 22 | Wiseco Performance Products | €23.8M | 125 | 60 | C+ |
| 23 | Deepwood Industries | €23.8M | 350 | 60 | C+ |
| 24 | MUM Industries Inc. | €23.7M | 125 | 60 | C+ |
| 25 | Dolch Computer Systems | €23.7M | 125 | 60 | C+ |
| 26 | CORETECH ENTERPRISES LLC DBA CORE TECH, INC | €23.7M | 125 | 60 | C+ |
| 27 | Reliable Snowplowing LLC | €20.7M | 125 | 60 | C+ |
| 28 | Mentor Wholesale Lumber | €17.8M | 30 | 60 | C+ |
| 29 | crossroads health ohio | €14.3M | 350 | 60 | C+ |
| 30 | Licursi Bartending LLC | €13.7M | 125 | 60 | C+ |
| 31 | Cres Cor Health and Safety | €12.6M | 125 | 60 | C+ |
| 32 | Classic Ford Lincoln | €12.2M | 30 | 60 | C+ |
| 33 | Mentor Family Foods | €12.2M | 30 | 60 | C+ |
| 34 | Alvins Jewelers | €12.2M | 30 | 60 | C+ |
| 35 | qualtek electronics corp | €12.2M | 125 | 60 | C+ |
| 36 | Lakeland Management Systems | €11.8M | 30 | 60 | C+ |
| 37 | jet construction company inc | €11.8M | 30 | 60 | C+ |
| 38 | Hartman Personnel Services, a division of P.P.S. LLC | €10.7M | 125 | 60 | C+ |
| 39 | Thomas Employment/Flagstar Medical Staffing | €10.7M | 125 | 60 | C+ |
| 40 | Quality MACHINE Systems | €9.4M | 30 | 50 | C |
| 41 | Advanced FME Products, Inc. | €9.4M | 30 | 50 | C |
| 42 | cardinalcommerce | €8.8M | 125 | 50 | C |
| 43 | V. O. BAKER COMPANY | €8.7M | 30 | 50 | C |
| 44 | Plating Process Systems Inc | €8.7M | 30 | 50 | C |
| 45 | Daily Dumper | €8.2M | 30 | 50 | C |
| 46 | Jacobson Transport | €8.2M | 30 | 50 | C |
| 47 | Reliable Runners Logistics | €8.2M | 30 | 50 | C |
| 48 | Keller Williams Greater Cleveland Northeast | €8.2M | 125 | 50 | C |
| 49 | primerica financial services- regional vice president | €7.5M | 125 | 50 | C |
| 50 | Astro Medical Devices | €7.3M | 30 | 50 | C |
| 51 | Transcon Conveyor | €7.0M | 30 | 50 | C |
| 52 | M & F TECHNOLOGY | €7.0M | 30 | 50 | C |
| 53 | Mentor MFG | €7.0M | 30 | 50 | C |
| 54 | Competitive Carbide Inc | €7.0M | 30 | 50 | C |
| 55 | Total Manufacturing Company (TMC) | €7.0M | 30 | 50 | C |
| 56 | Apollo Welding | €7.0M | 30 | 50 | C |
| 57 | Loecy Precision Mfg | €7.0M | 30 | 50 | C |
| 58 | S.T. Tool and Design Inc. | €7.0M | 30 | 50 | C |
| 59 | Industrial Coating Equipment | €7.0M | 30 | 50 | C |
| 60 | Malone Specialty Inc. | €7.0M | 30 | 50 | C |
| 61 | accurate metal | €6.8M | 30 | 50 | C |
| 62 | Beacon Health (Lake County, OH) | €6.7M | 125 | 50 | C |
| 63 | CROSSROADS LAKE COUNTY ADOLESCENT COUNSELING SERVICES | €6.7M | 125 | 50 | C |
| 64 | Meridia Hospital | €6.7M | 125 | 50 | C |
| 65 | m t heat treating inc | €6.6M | 30 | 50 | C |
| 66 | Shop Supply & Tool Company | €6.6M | 30 | 50 | C |
| 67 | Quality Quartz of America Inc | €6.6M | 30 | 50 | C |
| 68 | Matheny Advisory Group | €6.3M | 30 | 50 | C |
| 69 | Carver Financial Services, Inc. | €6.3M | 30 | 50 | C |
| 70 | Quality Components Company | €6.0M | 30 | 50 | C |
| 71 | mr heros | €6.0M | 30 | 50 | C |
| 72 | Auto Comp | €5.9M | 30 | 50 | C |
| 73 | Consumer Tire Inc | €5.9M | 30 | 50 | C |
| 74 | Western Reserve Harley-Davidson | €5.9M | 30 | 50 | C |
| 75 | K1 Technologies | €5.9M | 30 | 50 | C |
| 76 | laser solutions midwest | €5.7M | 30 | 50 | C |
| 77 | cardinal auto wash | €5.7M | 30 | 50 | C |
| 78 | SI-Legacy | €5.7M | 30 | 50 | C |
| 79 | SSC Controls | €5.7M | 30 | 50 | C |
| 80 | Wind River Power | €5.7M | 30 | 50 | C |
| 81 | ORDNANCE TECHNOLOGY SERVICE, INC | €5.7M | 30 | 50 | C |
| 82 | Brumall Manufacturing Corp | €5.7M | 30 | 50 | C |
| 83 | North Shore Safety | €5.7M | 30 | 50 | C |
| 84 | IT Plastics | €5.7M | 30 | 50 | C |
| 85 | maxim’s pizza | €5.1M | 125 | 50 | C |
| 86 | Image Computer Services | €5.1M | 30 | 50 | C |
| 87 | The Canna Suite | €5.1M | 30 | 50 | C |
| 88 | The Behavioral Wellness Group | €5.0M | 30 | 50 | C |
| 89 | uhmp mentor internal medicine | €5.0M | 30 | 50 | C |
| 90 | New Directions For Living | €5.0M | 30 | 50 | C |
| 91 | savelli’s dance and martial arts | €5.0M | 30 | 50 | C |
| 92 | juan j galvan, dds | €5.0M | 30 | 50 | C |
| 93 | premier behavioral health services ohio | €5.0M | 30 | 50 | C |
| 94 | Irish Pubs Inc | €4.9M | 30 | 50 | C |
| 95 | Food For Thought Caterers | €4.9M | 30 | 50 | C |
| 96 | aexcel corp. | €4.9M | 30 | 50 | C |
| 97 | jto club corp | €4.9M | 30 | 50 | C |
| 98 | Atlas Cinemas | €4.9M | 30 | 50 | C |
| 99 | Drillex Inc | €4.6M | 125 | 50 | C |
| 100 | commercial dock & door inc. | €4.5M | 30 | 50 | C |