| The Rivers School Corporation | Educational Services | $3,317,500 | $3,354,492 | 362 | N/A |  Research |
| Meadowbrook School of Weston, INC | Other Services (except Public Administration) | $1,587,500 | $1,601,832 | 91 | N/A | Research |
| The Cambridge School of Weston | Educational Services | $1,430,000 | $1,440,487 | 138 | N/A | Research |
| All Renewable Energy, Inc. | Construction | $729,767 | $736,565 | 68 | $22.4M | Research |
| All Renewable Energy INC | Construction | $721,807 | $726,553 | 74 | $22.5M | Research |
| Maplewood Norumbega Point Alf, LLC | Health Care and Social Assistance | $710,877 | $719,894 | 79 | $13.4M | Research |
| Pediatric Associates of Wellesley, Inc. | Health Care and Social Assistance | $545,120 | $549,466 | 36 | $11.3M | Research |
| Weston Dental Specialists Group PC | Health Care and Social Assistance | $509,233 | $513,264 | 25 | $5.8M | Research |
| Buccellati Inc. | Accommodation and Food Services | $446,124 | $447,995 | 41 | $7.3M | Research |
| Eastham Ma Hotels LLC | Accommodation and Food Services | $378,480 | $382,979 | 15 | <$5M | Research |
| Pope St. John Xxiii National Seminary | Educational Services | $355,600 | $358,883 | 45 | N/A | Research |
| Weston Dental Specialists Group PC | Health Care and Social Assistance | $335,800 | $338,776 | 22 | $5.1M | Research |
| Imaginarium Childcare Inc. | Health Care and Social Assistance | $282,010 | $284,768 | 31 | $5.0M | Research |
| Weston Pediatric Physicians P C | Health Care and Social Assistance | $280,389 | $282,282 | 27 | $8.5M | Research |
| Weston Pediatric Physicians P C | Health Care and Social Assistance | $275,000 | $276,795 | 26 | $8.2M | Research |
| Imaginarium Chidcare, Inc. | Health Care and Social Assistance | $255,440 | $301,579 | 40 | $6.5M | Research |
| Scilligence Corporation | Professional, Scientific, and Technical Services | $226,487 | $227,883 | 14 | <$5M | Research |
| Ajay Anand MD PC | Health Care and Social Assistance | $222,281 | $223,743 | 11 | <$5M | Research |
| Pure Pest Mangement LLC | Administrative and Support and Waste Management | $220,169 | $221,580 | 22 | N/A | Research |
| All Renewable Energy Service INC | Utilities | $219,350 | $221,495 | 17 | N/A | Research |
| Honeycomb Biotechnologies, Inc. | Professional, Scientific, and Technical Services | $193,120 | $195,486 | 9 | <$5M | Research |
| Metalenz, Inc. | Manufacturing | $182,156 | $183,846 | 10 | <$5M | Research |
| Dumpling Daughter Inc. | Accommodation and Food Services | $179,900 | $181,609 | 24 | <$5M | Research |
| Tender Loving Care Childcare Centers LLC | Health Care and Social Assistance | $167,763 | $169,641 | 44 | $7.1M | Research |
| Perfect Smile | Health Care and Social Assistance | $156,542 | $158,798 | 17 | <$5M | Research |