| Piscataqua Landscape & Tree Service, LLC | Finance and Insurance | $1,105,800 | $1,111,943 | 86 | $44.2M |  Research |
| K M K Construction INC | Construction | $624,400 | $628,303 | 38 | $43.3M | Research |
| Northern Pool & Spa, Inc. | Construction | $415,400 | $417,662 | 21 | $7.2M | Research |
| Shipyard Waste Solutions, LLC | Transportation and Warehousing | $367,243 | $370,674 | 31 | <$5M | Research |
| Higs Co., INC | Retail Trade | $325,600 | $328,069 | 25 | <$5M | Research |
| Torosian Tech Services INC | Manufacturing | $324,850 | $326,915 | 17 | $16.9M | Research |
| Higs Co INC | Wholesale Trade | $283,685 | $285,750 | 17 | <$5M | Research |
| Blatt Family Dental, P.c. | Health Care and Social Assistance | $277,700 | $281,763 | 19 | <$5M | Research |
| Blatt Family Dental PC | Health Care and Social Assistance | $277,700 | $280,203 | 19 | <$5M | Research |
| Jacquelyn Nooney Landscape INC | Administrative and Support and Waste Management | $236,800 | $238,444 | 46 | $10.0M | Research |
| Aggregate Recycling Corporation | Administrative and Support and Waste Management | $229,900 | $231,229 | 18 | <$5M | Research |
| Shipyard Brew Pub 1 LLC | Manufacturing | $204,300 | $206,218 | 24 | $6.3M | Research |
| York Woods Tree Service LLC | Administrative and Support and Waste Management | $200,000 | $202,217 | 12 | <$5M | Research |
| Moriarty Electric Co | Construction | $195,200 | $197,671 | 21 | $6.9M | Research |
| Modernist Pantry LLC | Retail Trade | $171,000 | $171,955 | 13 | <$5M | Research |
| Seacoast Waldorf Association | Educational Services | $165,800 | $166,979 | 32 | N/A | Research |
| Eliot Small Engine Repair, Inc. | Retail Trade | $157,900 | $159,058 | 18 | <$5M | Research |
| Leaps and Bounds | Health Care and Social Assistance | $150,000 | $151,313 | 11 | <$5M | Research |
| Natural Rocks Spring Water Ice Co. INC | Manufacturing | $144,192 | $146,631 | 16 | $5.6M | Research |
| Natural Rocks Spring Water | Manufacturing | $143,435 | $145,136 | 15 | $5.3M | Research |
| Spinney Creek Shellfish INC | Wholesale Trade | $125,075 | $125,735 | 11 | <$5M | Research |
| Stepping Stones Learning Center INC | Health Care and Social Assistance | $125,000 | $126,083 | 9 | <$5M | Research |
| Bev Tech INC | Wholesale Trade | $119,000 | $131,191 | 11 | <$5M | Research |
| Proof Group | Educational Services | $111,967 | $113,074 | 9 | <$5M | Research |
| Attar Engineering INC | Professional, Scientific, and Technical Services | $99,300 | $113,007 | 8 | <$5M | Research |