| Coastal Auto Parts, Inc. - Milbridge | Real Estate and Rental and Leasing | $2,743,400 | $2,776,092 | 330 | $60.4M |  Research |
| The Witham Family LLC | Accommodation and Food Services | $1,917,000 | $1,928,768 | 180 | $56.3M | Research |
| Downeast Community Partners | Health Care and Social Assistance | $1,269,220 | $1,285,826 | 155 | N/A | Research |
| Maine Shellfish Company INC | Wholesale Trade | $973,200 | $984,770 | 76 | $19.6M | Research |
| Maine Shellfish Company INC | Wholesale Trade | $973,200 | $984,662 | 232 | $59.7M | Research |
| Rf Jordan & Sons Construction INC | Construction | $716,000 | $723,248 | 58 | $18.0M | Research |
| The Witham Family LLC | Accommodation and Food Services | $611,424 | $616,315 | 41 | $12.8M | Research |
| Down East Family Ymca | Arts, Entertainment, and Recreation | $504,800 | $507,871 | 100 | $14.0M | Research |
| Down East Family Ymca | Arts, Entertainment, and Recreation | $472,800 | $476,057 | 133 | $18.6M | Research |
| Brown Appliance and Mattress Inc. | Retail Trade | $471,900 | $474,548 | 37 | $11.3M | Research |
| Acadia Area Restaurant Group Holdings INC | Accommodation and Food Services | $460,000 | $462,364 | 52 | $9.2M | Research |
| Atlantic Landscape Construction INC | Administrative and Support and Waste Management | $458,851 | $461,094 | 84 | $18.2M | Research |
| E.l. Shea, Inc. | Construction | $456,500 | $459,074 | 34 | $38.7M | Research |
| Atlantic Landscape Construction INC | Administrative and Support and Waste Management | $435,011 | $437,491 | 47 | $10.2M | Research |
| Cec LLC | Manufacturing | $387,500 | $314,755 | 30 | $7.9M | Research |
| Harold Macquinn, Inc. | Construction | $382,500 | $384,678 | 29 | $9.0M | Research |
| Eastern Events INC | Real Estate and Rental and Leasing | $357,700 | $360,134 | 30 | $13.6M | Research |
| Eastern Events INC | Real Estate and Rental and Leasing | $357,698 | $360,887 | 30 | $13.6M | Research |
| Union River Lobster Pot Restaurant Llc. | Accommodation and Food Services | $329,722 | $331,160 | 25 | <$5M | Research |
| Friend & Friend, Inc. | Retail Trade | $291,500 | $293,549 | 25 | $6.5M | Research |
| Finn's Irish Pub INC | Accommodation and Food Services | $252,000 | $255,038 | 16 | <$5M | Research |
| Acadia Area Restaurant Group Holdings | Accommodation and Food Services | $250,000 | $333,173 | 25 | <$5M | Research |
| Hancock Foods INC | Agriculture, Forestry, Fishing and Hunting | $237,845 | $223,248 | 14 | <$5M | Research |
| Special Children's Friends, Inc. | Health Care and Social Assistance | $213,798 | $216,510 | 35 | N/A | Research |
| Broughman Builders INC | Construction | $204,756 | $206,138 | 22 | $6.7M | Research |