| Alternative Transportation Systems LLC | Transportation and Warehousing | $472,652 | $475,790 | 56 | $21.5M |  AI Deep Dive |
| O'donoghue Insurance Agency, INC | Finance and Insurance | $463,200 | $384,151 | 24 | $12.3M | AI Deep Dive |
| Mjm Masonry & Custom Construction INC | Construction | $461,663 | $464,048 | 64 | $6.9M | AI Deep Dive |
| Pigott Electric Co., Inc. | Construction | $450,000 | $452,601 | 22 | $7.2M | AI Deep Dive |
| W T Kenney Co INC | Construction | $437,493 | $444,313 | 21 | $5.3M | AI Deep Dive |
| Arlington Children's Center, INC | Health Care and Social Assistance | $430,272 | $434,348 | 49 | N/A | AI Deep Dive |
| Feinmann, Inc. | Construction | $424,700 | $428,121 | 29 | $8.8M | AI Deep Dive |
| Highrock Church Inc. | Other Services (except Public Administration) | $407,100 | $410,948 | 22 | N/A | AI Deep Dive |
| Pigott Electric Co. Inc. | Construction | $394,203 | $397,429 | 23 | $7.6M | AI Deep Dive |
| Menotomy Grill LLC | Accommodation and Food Services | $365,134 | $368,197 | 29 | $5.1M | AI Deep Dive |
| Malcolm Keljikian | Other Services (except Public Administration) | $360,000 | $365,750 | 40 | $7.8M | AI Deep Dive |
| Arlington Boys & Girls Club Inc. | Health Care and Social Assistance | $337,963 | $341,065 | 27 | <$5M | AI Deep Dive |
| Krismark Corporation | Educational Services | $335,700 | $338,100 | 25 | N/A | AI Deep Dive |
| Krismark Corporation Arlington Infant Toddler Center | Educational Services | $335,700 | $337,714 | 25 | N/A | AI Deep Dive |
| Tetragenetics, Inc. | Professional, Scientific, and Technical Services | $332,000 | $335,084 | 17 | <$5M | AI Deep Dive |
| R. W. Shattuck and Company, Inc. | Retail Trade | $314,500 | $316,964 | 65 | $13.4M | AI Deep Dive |
| Tetragenetics Inc. | Manufacturing | $307,700 | $309,091 | 16 | $15.9M | AI Deep Dive |
| Commonwealth Cycles, Inc. | Retail Trade | $294,275 | $297,798 | 47 | $12.3M | AI Deep Dive |
| Five Elements INC | Retail Trade | $289,000 | $291,494 | 55 | $8.6M | AI Deep Dive |
| Five Elements INC | Retail Trade | $289,000 | $293,394 | 55 | $8.6M | AI Deep Dive |
| Spy Pond Partners, LLC | Professional, Scientific, and Technical Services | $287,100 | $289,255 | 14 | <$5M | AI Deep Dive |
| The Data Collaborative INC | Information | $284,880 | $286,332 | 16 | <$5M | AI Deep Dive |
| Saint Agnes Grammar School | Educational Services | $282,100 | $284,553 | 35 | N/A | AI Deep Dive |
| Villandry Contracting Inc. | Construction | $269,800 | $271,604 | 18 | $20.5M | AI Deep Dive |
| Villandry Contracting, Inc. | Construction | $269,800 | $271,182 | 18 | $20.5M | AI Deep Dive |