| Michael J Connolly & Son | Transportation and Warehousing | $2,000,000 | $2,011,500 | 245 | $94.2M |  Research |
| S.m. Lorusso & Sons, Inc. | Mining, Quarrying, and Oil and Gas Extraction | $1,525,000 | $1,543,046 | 73 | <$5M | Research |
| Minuteman Trucks, Inc. | Retail Trade | $1,465,500 | $1,475,229 | 92 | $23.2M | Research |
| Walpole Area Visiting Nurse Association | Health Care and Social Assistance | $1,450,751 | $1,461,443 | 148 | N/A | Research |
| Colonial Staffing Group Inc. | Administrative and Support and Waste Management | $1,435,000 | $1,442,095 | 80 | $12.6M | Research |
| Colonial Staffing Group, INC | Administrative and Support and Waste Management | $1,395,000 | $1,409,880 | 228 | $35.9M | Research |
| Universal Automation & Mechanical Services Inc. | Construction | $1,288,632 | $1,301,801 | 34 | $10.8M | Research |
| Universal Automation & Mechanical Services INC | Construction | $1,288,622 | $1,298,507 | 61 | $19.3M | Research |
| Dental Associates of Walpole | Health Care and Social Assistance | $1,016,200 | $1,029,090 | 87 | $20.2M | Research |
| Dental Associates of Walpole | Health Care and Social Assistance | $1,013,147 | $1,024,750 | 83 | $19.2M | Research |
| Acumentrics Rups, LLC | Manufacturing | $996,481 | $1,004,397 | 78 | $20.4M | Research |
| Natureworks Landscape Services INC | Administrative and Support and Waste Management | $912,900 | $919,899 | 75 | $16.2M | Research |
| Wm. Duggan Co. Inc. | Transportation and Warehousing | $721,137 | $726,646 | 34 | $8.5M | Research |
| United Electronic Industries, Inc. | Manufacturing | $645,730 | $653,353 | 32 | $8.4M | Research |
| Allied Recycling Center, Inc. | Wholesale Trade | $634,370 | $641,548 | 52 | $15.9M | Research |
| Empire Masonry Corp. | Professional, Scientific, and Technical Services | $568,850 | $574,981 | 73 | $9.0M | Research |
| 2is INC | Professional, Scientific, and Technical Services | $557,098 | $560,746 | 28 | $5.8M | Research |
| Wm. Duggan Co,. Inc. | Transportation and Warehousing | $549,300 | $553,298 | 45 | $11.2M | Research |
| T R Miller Co., Inc. | Professional, Scientific, and Technical Services | $541,615 | $547,768 | 33 | <$5M | Research |
| Export Insurance Agency Inc. | Finance and Insurance | $520,105 | $526,916 | 22 | $11.3M | Research |
| 2is INC | Professional, Scientific, and Technical Services | $518,850 | $522,830 | 32 | $6.6M | Research |
| Suburban Supply Co. Inc. | Wholesale Trade | $493,700 | $498,434 | 34 | $8.8M | Research |
| Assured Collision INC | Transportation and Warehousing | $482,965 | $487,097 | 39 | <$5M | Research |
| Assured Collision, Inc. | Other Services (except Public Administration) | $474,000 | $477,015 | 40 | $7.8M | Research |
| Export Insurance Agency INC | Finance and Insurance | $469,545 | $475,565 | 25 | $12.8M | Research |