| Columbia Construction Company | Construction | $3,576,170 | $3,610,364 | 147 | $167.5M |  Research |
| Electrical Dynamics INC | Construction | $1,772,000 | $1,783,715 | 83 | $27.3M | Research |
| Lown Acquisition, LLC | Health Care and Social Assistance | $1,487,190 | $1,509,415 | 262 | $44.6M | Research |
| Electrical Dynamics Inc. | Construction | $1,391,550 | $1,398,585 | 126 | $41.5M | Research |
| Moynihan North Reading Lumber INC | Retail Trade | $1,330,600 | $1,346,895 | 102 | $21.1M | Research |
| Ngp Management, Llc. | Accommodation and Food Services | $1,279,370 | $1,298,667 | 72 | $12.8M | Research |
| Dec-Tam Corporation | Administrative and Support and Waste Management | $908,295 | $915,688 | 58 | $11.0M | Research |
| Kitty's Restaurant & Lounge Inc. | Accommodation and Food Services | $805,979 | $810,457 | 49 | $8.7M | Research |
| Dec-Tam | Administrative and Support and Waste Management | $798,672 | $801,001 | 52 | $9.8M | Research |
| Albert F. Fitzgerald, INC | Wholesale Trade | $760,100 | $766,701 | 48 | $14.7M | Research |
| Howse Corporation, Inc. | Construction | $724,192 | $731,897 | 36 | $11.4M | Research |
| Paglia Plastering Inc. | Mining, Quarrying, and Oil and Gas Extraction | $596,555 | $603,962 | 31 | <$5M | Research |
| Paglia Plastering, Inc. | Mining, Quarrying, and Oil and Gas Extraction | $596,555 | $602,935 | 56 | <$5M | Research |
| Kitty's Restaurant & Lounge, Inc. | Accommodation and Food Services | $584,457 | $590,155 | 67 | $11.9M | Research |
| Pine Ridge Technologies Inc. | Construction | $549,400 | $547,606 | 25 | $8.2M | Research |
| Frommelt Equipment Company, INC | Retail Trade | $538,700 | $497,947 | 27 | $5.6M | Research |
| Manco, LLC | Accommodation and Food Services | $535,352 | $542,356 | 150 | $26.6M | Research |
| Melkonian Subaru INC | Retail Trade | $501,017 | $504,622 | 33 | $8.3M | Research |
| Atlantic Millwrights INC | Construction | $498,700 | $504,629 | 28 | $8.9M | Research |
| Yebba Group LLC | Accommodation and Food Services | $471,503 | $474,227 | 50 | $8.9M | Research |
| Service Pumping and Drain Co., Inc. | Administrative and Support and Waste Management | $470,500 | $473,780 | 26 | <$5M | Research |
| J. Steven Tonelli Dmd and Mark G. Webster DDS | Health Care and Social Assistance | $458,600 | $463,046 | 30 | $7.0M | Research |
| Atlantic Millwrights INC | Other Services (except Public Administration) | $449,924 | $455,523 | 29 | $6.2M | Research |
| Ward Hill Central Operations LLC | Accommodation and Food Services | $444,455 | $451,159 | 74 | $13.1M | Research |
| Union Installations LLC | Construction | $429,100 | $431,949 | 15 | <$5M | Research |