| Charles County Nursing & Rehabilitation Center | Health Care and Social Assistance | $2,437,672 | $2,466,189 | 371 | N/A | Research |
| Charles County Nursing & Rehabilitation Center | Health Care and Social Assistance | $1,830,060 | $1,839,436 | 249 | N/A | Research |
| Avening Management and Technical Services, LLC | Professional, Scientific, and Technical Services | $1,369,800 | $1,376,687 | 81 | $8.4M | Research |
| Spring Dell Center | Health Care and Social Assistance | $1,351,152 | $1,360,295 | 228 | N/A | Research |
| Center for Children, Inc. | Health Care and Social Assistance | $915,430 | $922,202 | 79 | N/A | Research |
| Center for Children Inc. | Health Care and Social Assistance | $841,467 | $846,055 | 72 | N/A | Research |
| Justtech LLC | Professional, Scientific, and Technical Services | $701,085 | $706,137 | 59 | $12.2M | Research |
| Sandy Excavating Development LLC | Real Estate and Rental and Leasing | $606,000 | $612,397 | 80 | $12.0M | Research |
| Justtech, LLC | Retail Trade | $590,000 | $593,294 | 59 | $14.1M | Research |
| Ndg Communications Inc. | Professional, Scientific, and Technical Services | $512,062 | $514,237 | 29 | $6.0M | Research |
| Ndg Communications INC | Professional, Scientific, and Technical Services | $495,268 | $498,171 | 28 | <$5M | Research |
| Austins Dirtworks LLC | Construction | $449,600 | $452,335 | 43 | $49.0M | Research |
| Mrw Lawns INC | Administrative and Support and Waste Management | $434,993 | $440,141 | 45 | $9.7M | Research |
| Hash Construction | Construction | $414,017 | $419,779 | 35 | $39.9M | Research |
| Hash Construction Inc. | Construction | $410,705 | $416,117 | 30 | $9.3M | Research |
| Peerless Tech Solutions LLC | Professional, Scientific, and Technical Services | $398,767 | $401,345 | 33 | $6.8M | Research |
| Peerless Tech Solutions LLC | Professional, Scientific, and Technical Services | $395,207 | $400,318 | 35 | $7.2M | Research |
| Electronic Technology Consulting Solutions INC | Professional, Scientific, and Technical Services | $389,582 | $391,653 | 19 | <$5M | Research |
| Electronic Technology Consulting Solutio | Professional, Scientific, and Technical Services | $389,582 | $392,773 | 25 | $5.2M | Research |
| Southernwood Roofing & Siding LLC | Construction | $378,595 | $381,551 | 30 | $9.9M | Research |
| Battle Creek Construction LLC | Construction | $358,290 | $361,608 | 15 | $17.1M | Research |
| Murphy & Murphy Cpa, LLC | Professional, Scientific, and Technical Services | $334,833 | $336,762 | 23 | $7.3M | Research |
| Archbishop Neale School | Educational Services | $320,050 | $322,619 | 43 | N/A | Research |
| Battle Creek Construction, LLC | Construction | $318,700 | $323,048 | 18 | $20.5M | Research |
| Cyber Security Research and Solutions Corp | Professional, Scientific, and Technical Services | $310,800 | $314,512 | 15 | <$5M | Research |