| Old Colony Young Men's Christian Association Inc. | Other Services (except Public Administration) | $7,432,228 | $7,479,505 | 500 | $95.5M |  Research |
| Brockton Neighborhood Health Center INC | Health Care and Social Assistance | $6,226,500 | $6,307,700 | 484 | N/A | Research |
| Churchill Linen Services, Inc. | Other Services (except Public Administration) | $2,858,620 | $2,891,494 | 276 | $52.7M | Research |
| Algar Construction Corp | Construction | $2,387,336 | $2,413,629 | 105 | $24.3M | Research |
| Brockton Visiting Nurse Association | Health Care and Social Assistance | $2,380,000 | $2,408,163 | 145 | N/A | Research |
| Father Bill's & Mainspring, Inc. | Health Care and Social Assistance | $2,107,100 | $2,131,449 | 250 | $40.5M | Research |
| Churchill Linen Service INC | Other Services (except Public Administration) | $2,000,000 | $2,017,278 | 251 | $47.9M | Research |
| The Copley Health Care Partnership | Health Care and Social Assistance | $1,862,400 | $1,872,022 | 173 | $40.1M | Research |
| Commonwealth Radiology Associates INC | Health Care and Social Assistance | $1,805,887 | $1,825,430 | 73 | $22.9M | Research |
| Interstate Staffing INC | Administrative and Support and Waste Management | $1,797,757 | $1,813,370 | 287 | $45.2M | Research |
| Interstate Staffing INC | Administrative and Support and Waste Management | $1,797,757 | $1,806,032 | 254 | $40.0M | Research |
| Apothecare Pharmacy LLC | Health Care and Social Assistance | $1,761,114 | $1,772,757 | 172 | $39.9M | Research |
| Jiten Hotel Management INC | Accommodation and Food Services | $1,740,718 | $1,758,899 | 69 | $21.6M | Research |
| Baypointe Rehab Center LLC | Health Care and Social Assistance | $1,725,490 | $1,742,266 | 212 | $36.1M | Research |
| Coliseum Companies, INC | Other Services (except Public Administration) | $1,674,200 | $1,411,785 | 243 | $46.4M | Research |
| Commonwealth Radiology Associates, Inc. | Health Care and Social Assistance | $1,510,000 | $1,527,417 | 53 | $16.6M | Research |
| Advanced Temporary Services, Inc. | Administrative and Support and Waste Management | $1,504,635 | $1,518,302 | 230 | $36.2M | Research |
| Coliseum Companies, INC | Other Services (except Public Administration) | $1,493,658 | $1,506,976 | 243 | $46.4M | Research |
| Barbour Corporation | Manufacturing | $1,476,200 | $1,490,315 | 113 | $112.1M | Research |
| Barbour Corp and Subsidiaries | Manufacturing | $1,451,900 | $1,462,680 | 104 | $103.2M | Research |
| Commonwealth Anesthesia Associates INC | Health Care and Social Assistance | $1,442,500 | $1,457,676 | 52 | $16.3M | Research |
| The Ockers Company | Professional, Scientific, and Technical Services | $1,365,273 | $1,371,669 | 97 | $20.1M | Research |
| The Ockers Company | Manufacturing | $1,365,269 | $1,374,994 | 77 | $20.2M | Research |
| Copeland Enterprises, Inc. | Retail Trade | $1,314,127 | $1,328,181 | 103 | $26.0M | Research |
| Biotrans LLC | Transportation and Warehousing | $1,276,400 | $1,285,212 | 151 | $34.4M | Research |