| Tri-Wire Engineering Solutions INC | Professional, Scientific, and Technical Services | $6,346,702 | $6,416,603 | 500 | $61.7M |  Research |
| Griffin Greenhouse Supplies, Inc. | Wholesale Trade | $4,055,336 | $4,100,621 | 285 | $73.4M | Research |
| Moody Famiglietti & Andronico LLP | Professional, Scientific, and Technical Services | $2,759,727 | $2,792,384 | 149 | $47.4M | Research |
| Holt and Bugbee Company | Wholesale Trade | $2,606,902 | $2,637,388 | 185 | $56.7M | Research |
| Anton's Cleaners, Inc. | Other Services (except Public Administration) | $1,968,300 | $1,987,382 | 244 | $46.6M | Research |
| The North East Educational and Developmental Supports Center | Health Care and Social Assistance | $1,948,300 | $1,973,736 | 196 | $33.3M | Research |
| Anton's Cleaners Inc. | Other Services (except Public Administration) | $1,873,500 | $1,882,659 | 170 | $32.5M | Research |
| K&k Acoustical Ceilings, Inc. | Construction | $1,731,900 | $1,746,669 | 88 | $22.2M | Research |
| Middlesex Glass Company, Inc. | Construction | $1,661,400 | $1,672,476 | 107 | $24.7M | Research |
| Middlesex Glass Company, Inc. | Construction | $1,302,200 | $1,309,688 | 91 | $21.0M | Research |
| Massachusetts Audio Visual Equipment Corporation | Manufacturing | $1,149,300 | $934,103 | 62 | $16.2M | Research |
| Massachusetts Audio Visual Equipment Corporation | Real Estate and Rental and Leasing | $1,049,913 | $1,060,499 | 72 | $32.5M | Research |
| Atamian Volkswagen | Retail Trade | $1,013,175 | $1,016,839 | 64 | $16.1M | Research |
| Ataminan Volkswagen, Inc. | Retail Trade | $1,011,437 | $1,018,068 | 64 | $16.1M | Research |
| Erlin Manor Nursing Home | Health Care and Social Assistance | $1,004,880 | $1,015,534 | 135 | $23.0M | Research |
| Odin Epc LLC | Construction | $995,687 | $1,002,657 | 28 | $8.7M | Research |
| Mdr Construction Co., Inc. | Construction | $880,500 | $887,104 | 44 | $16.5M | Research |
| Dei Systems LLC | Construction | $866,090 | $873,572 | 60 | $6.5M | Research |
| Wamesit Entertainment Center, Inc. | Arts, Entertainment, and Recreation | $814,667 | $825,190 | 152 | $21.3M | Research |
| Sylvester Electric Inc. | Construction | $784,108 | $791,799 | 73 | $24.0M | Research |
| Wamesit Entertainment Center INC | Arts, Entertainment, and Recreation | $751,642 | $758,720 | 152 | $21.3M | Research |
| T.c.b.electrical Services Corporation | Construction | $676,700 | $681,681 | 42 | $13.8M | Research |
| Odinepc LLC | Utilities | $675,400 | $681,347 | 29 | N/A | Research |
| Integrity Home Care Solutions, LLC | Health Care and Social Assistance | $659,900 | $665,491 | 124 | $21.2M | Research |
| Pierce Property Services, LLC | Administrative and Support and Waste Management | $656,300 | $663,519 | 22 | <$5M | Research |