| New England Deaconess Association | Health Care and Social Assistance | $4,364,390 | $4,121,642 | 444 | N/A |  Research |
| Concord Academy | Educational Services | $2,519,300 | $2,545,804 | 178 | N/A | Research |
| Hamilton, Brook, Smith & Reynolds, P.c. | Professional, Scientific, and Technical Services | $1,902,400 | $1,922,779 | 81 | $19.7M | Research |
| The Minute Man Arc Human Services INC | Health Care and Social Assistance | $1,847,200 | $1,863,517 | 275 | N/A | Research |
| The Verndale Corporation | Professional, Scientific, and Technical Services | $1,825,140 | $1,838,829 | 79 | $11.1M | Research |
| The Minute Man Arc for Human Services Inc. | Health Care and Social Assistance | $1,820,200 | $1,832,891 | 291 | N/A | Research |
| Connected Home Care LLC | Health Care and Social Assistance | $1,802,155 | $1,823,881 | 478 | $81.9M | Research |
| Processunity, Inc. | Information | $1,524,300 | $1,533,403 | 79 | $13.3M | Research |
| The Guild for Human Services Inc. | Educational Services | $1,500,000 | $1,514,055 | 500 | $65.0M | Research |
| The Fenn School, Inc. | Educational Services | $1,291,600 | $1,298,704 | 111 | $13.3M | Research |
| Carlisle & Company, Inc. | Professional, Scientific, and Technical Services | $1,123,320 | $1,135,895 | 44 | <$5M | Research |
| The Concord Consortium Inc. | Professional, Scientific, and Technical Services | $1,076,410 | $1,082,659 | 41 | N/A | Research |
| The Concord Consortium, Inc. | Professional, Scientific, and Technical Services | $1,071,679 | $1,080,223 | 53 | N/A | Research |
| Hayes Pump INC | Wholesale Trade | $1,067,658 | $1,078,334 | 60 | $18.4M | Research |
| Hayes Pump INC | Wholesale Trade | $1,067,600 | $1,075,731 | 64 | $19.6M | Research |
| Nashoba Brooks School of Concord, Inc. | Educational Services | $1,022,300 | $1,028,350 | 85 | N/A | Research |
| Concords Colonial Inn One LLC | Accommodation and Food Services | $1,011,220 | $1,018,860 | 44 | $7.8M | Research |
| Divert INC | Administrative and Support and Waste Management | $945,900 | $951,316 | 98 | $18.5M | Research |
| Nashawtuc Country Club INC | Arts, Entertainment, and Recreation | $851,370 | $860,688 | 103 | $14.4M | Research |
| Camp Thoreau Inc. | Arts, Entertainment, and Recreation | $803,850 | $808,874 | 53 | $7.4M | Research |
| Camp Thoreau INC | Arts, Entertainment, and Recreation | $803,850 | $810,258 | 48 | $6.7M | Research |
| Dermatology Associates of Concord, Inc. | Health Care and Social Assistance | $752,440 | $757,061 | 70 | $22.0M | Research |
| Dermatology Associates of Concord Inc. | Health Care and Social Assistance | $752,400 | $756,998 | 53 | $16.6M | Research |
| Caring Companion Inc. | Health Care and Social Assistance | $684,040 | $686,947 | 62 | $10.0M | Research |
| Applied Biomath LLC | Professional, Scientific, and Technical Services | $679,663 | $0 | 33 | <$5M | Research |