| Trumbull Mahoning Medical Group, Inc. | Health Care and Social Assistance | $718,483 | $727,439 | 68 | $21.3M |  Research |
| Trumbull Mahoning Medical Group Inc. | Health Care and Social Assistance | $718,483 | $727,734 | 40 | $12.6M | Research |
| Miller Yount Paving INC | Construction | $583,700 | $577,309 | 36 | $11.2M | Research |
| Miller Yount Paving Inc. | Manufacturing | $563,930 | $568,551 | 30 | $29.8M | Research |
| Compact Cars INC | Retail Trade | $438,820 | $441,416 | 38 | $9.6M | Research |
| Compact Cars INC | Retail Trade | $438,800 | $441,993 | 38 | $9.6M | Research |
| Bdr, INC | Accommodation and Food Services | $426,600 | $430,948 | 162 | $28.8M | Research |
| Smile Logistics, LLC | Transportation and Warehousing | $424,800 | $428,361 | 64 | $9.7M | Research |
| Greenwood Auto, Inc. | Retail Trade | $389,857 | $392,878 | 36 | $9.1M | Research |
| Wollam Chevrolet, Inc. | Retail Trade | $368,441 | $371,112 | 42 | $10.6M | Research |
| Bortnck Tractor Sales, Inc. | Retail Trade | $347,400 | $349,608 | 32 | <$5M | Research |
| Sunburst Environmental Services, INC | Administrative and Support and Waste Management | $331,400 | $333,839 | 31 | $5.9M | Research |
| Trumbull Radiologists, Inc. | Health Care and Social Assistance | $320,200 | $323,927 | 10 | <$5M | Research |
| Trumbull Radiologists INC | Health Care and Social Assistance | $320,170 | $325,435 | 10 | <$5M | Research |
| Mark Thomas Ford, INC | Finance and Insurance | $298,300 | $301,218 | 25 | $12.8M | Research |
| Burnett Pools INC | Retail Trade | $296,995 | $299,216 | 28 | <$5M | Research |
| Mark Ainsley Heating & Cooling | Construction | $277,519 | $280,028 | 25 | $7.9M | Research |
| Respiratory Care Partners, Inc. | Professional, Scientific, and Technical Services | $245,717 | $248,727 | 39 | <$5M | Research |
| David L. Harnett Dds, INC | Health Care and Social Assistance | $238,250 | $240,196 | 29 | $6.7M | Research |
| Continent Health Company of Cortland | Health Care and Social Assistance | $218,628 | $222,725 | 36 | $6.1M | Research |
| Thomas P. Shortreed & Associates, LLC | Finance and Insurance | $209,200 | $210,862 | 12 | $6.2M | Research |
| Howland Alarm Company | Administrative and Support and Waste Management | $198,413 | $199,289 | 28 | <$5M | Research |
| Howland Alarm Company | Administrative and Support and Waste Management | $198,200 | $189,481 | 28 | <$5M | Research |
| Schwartz Farms Ltd. | Agriculture, Forestry, Fishing and Hunting | $177,800 | $179,420 | 11 | <$5M | Research |
| Warren Harley Davidson Sales Inc. | Retail Trade | $174,143 | $175,715 | 19 | <$5M | Research |