| Biomodels LLC | Health Care and Social Assistance | $496,590 | $499,542 | 27 | $6.3M |  AI Deep Dive |
| Tapestry Networks INC | Professional, Scientific, and Technical Services | $490,351 | $494,341 | 23 | <$5M | AI Deep Dive |
| Tapestry Networks INC | Professional, Scientific, and Technical Services | $490,000 | $493,007 | 21 | <$5M | AI Deep Dive |
| Richard H Bird Co INC | Manufacturing | $486,666 | $490,266 | 39 | $10.2M | AI Deep Dive |
| Gordon's Waltham Liquor Store INC | Retail Trade | $477,082 | $481,879 | 41 | $6.3M | AI Deep Dive |
| Charles River Automotive LLC | Manufacturing | $475,700 | $480,822 | 66 | $65.5M | AI Deep Dive |
| Archimedic Inc. | Professional, Scientific, and Technical Services | $458,587 | $464,567 | 23 | <$5M | AI Deep Dive |
| Parker Global Industries INC | Wholesale Trade | $457,252 | $459,970 | 30 | $9.2M | AI Deep Dive |
| Greeneru INC | Professional, Scientific, and Technical Services | $455,000 | $458,261 | 13 | <$5M | AI Deep Dive |
| Posto Waltham LLC | Accommodation and Food Services | $453,029 | $459,082 | 47 | $5.8M | AI Deep Dive |
| Openclinica, LLC | Professional, Scientific, and Technical Services | $451,700 | $457,442 | 25 | $5.2M | AI Deep Dive |
| Waltham Restaurant Group Inc. | Accommodation and Food Services | $450,000 | $454,025 | 19 | <$5M | AI Deep Dive |
| Ppa INC | Other Services (except Public Administration) | $449,700 | $454,517 | 16 | <$5M | AI Deep Dive |
| Tower and Main LLC | Accommodation and Food Services | $446,960 | $452,299 | 40 | $7.1M | AI Deep Dive |
| MD Connect, Inc. | Professional, Scientific, and Technical Services | $441,925 | $446,538 | 17 | <$5M | AI Deep Dive |
| MD Connect INC | Professional, Scientific, and Technical Services | $441,925 | $445,194 | 15 | <$5M | AI Deep Dive |
| Moodys Delicatessen & Provisions LLC | Accommodation and Food Services | $439,820 | $338,386 | 57 | $10.1M | AI Deep Dive |
| Pro Sports Therapy, Inc. | Health Care and Social Assistance | $437,900 | $443,508 | 29 | $7.8M | AI Deep Dive |
| Puraqua Pool Service, INC | Construction | $437,492 | $440,093 | 48 | $16.4M | AI Deep Dive |
| Puraqua Pool Service Inc. | Wholesale Trade | $437,492 | $440,178 | 48 | $14.7M | AI Deep Dive |
| Greeneru INC | Professional, Scientific, and Technical Services | $435,350 | $438,289 | 22 | <$5M | AI Deep Dive |
| Eaton Horticultural Landscape INC | Administrative and Support and Waste Management | $432,020 | $437,744 | 44 | $9.5M | AI Deep Dive |
| Grand Slam Restaurant Concepts Waltham LLC | Accommodation and Food Services | $430,850 | $435,415 | 71 | $12.6M | AI Deep Dive |
| Peach Innovations, Inc. | Retail Trade | $429,928 | $433,968 | 18 | <$5M | AI Deep Dive |
| Ssg Hospitality Corp | Accommodation and Food Services | $426,750 | $429,509 | 45 | $14.1M | AI Deep Dive |