| Goodwill Industries of Northern New England | Retail Trade | $8,236,772 | $8,318,688 | 500 | $94.8M |  Research |
| Shaw Brothers Construction Inc. | Construction | $3,786,100 | $3,831,007 | 214 | $80.2M | Research |
| Moody's Co Worker Owned INC | Other Services (except Public Administration) | $3,000,000 | $3,031,397 | 230 | $45.1M | Research |
| Sebago Brewing Company | Accommodation and Food Services | $2,000,000 | $2,013,444 | 132 | $23.4M | Research |
| R J Grondin & Sons | Construction | $1,770,068 | $1,783,835 | 126 | $39.1M | Research |
| Sebago Brewing Company | Accommodation and Food Services | $1,666,842 | $1,689,113 | 221 | $39.2M | Research |
| Strategic Maintenance Solutions | Professional, Scientific, and Technical Services | $1,451,200 | $1,461,776 | 87 | $10.7M | Research |
| Microwave Techniques LLC | Manufacturing | $1,080,903 | $1,085,526 | 108 | $28.3M | Research |
| Knowles Industrial Services Corporation | Construction | $1,006,500 | $1,018,275 | 79 | $18.3M | Research |
| Mega Industries LLC | Manufacturing | $933,700 | $753,809 | 66 | $17.3M | Research |
| Glidden Excavating and Paving INC | Construction | $757,500 | $767,263 | 42 | $13.0M | Research |
| Great Falls Builders INC | Construction | $631,618 | $637,250 | 45 | $51.3M | Research |
| Great Falls Builders, Inc. | Construction | $508,410 | $511,941 | 40 | $12.2M | Research |
| The Montalvo Corporation | Manufacturing | $501,500 | $504,356 | 33 | $8.1M | Research |
| East Coast Communications, LLC | Construction | $493,435 | $497,301 | 41 | $13.5M | Research |
| New Application | Wholesale Trade | $443,200 | $447,509 | 32 | $9.8M | Research |
| Bridge Support Services LLC | Health Care and Social Assistance | $412,905 | $416,644 | 119 | $20.2M | Research |
| Isherwood Enterprises, Inc. | Transportation and Warehousing | $402,139 | $405,893 | 31 | $9.5M | Research |
| Isherwood Enterprises, Inc. | Transportation and Warehousing | $399,900 | $414,763 | 31 | $9.5M | Research |
| Odat Machine INC | Manufacturing | $391,900 | $394,192 | 35 | $9.2M | Research |
| Cml Services, Inc. | Administrative and Support and Waste Management | $355,473 | $357,851 | 28 | $6.1M | Research |
| Maine Automation Incorporated | Other Services (except Public Administration) | $353,961 | $357,821 | 12 | <$5M | Research |
| Lighthouse Elder Care, Inc. | Health Care and Social Assistance | $340,300 | $343,552 | 105 | $18.0M | Research |
| Industrial Concrete Services, Inc. | Construction | $292,800 | $295,880 | 28 | $7.1M | Research |
| Odonals Acquisition Company | Retail Trade | $276,905 | $280,489 | 37 | $7.6M | Research |