| The Arc of Southern Maryland, Inc. | Health Care and Social Assistance | $2,831,487 | $2,872,602 | 325 | N/A |  Research |
| Mulford Construction Company, Inc. | Construction | $1,819,292 | $1,836,388 | 142 | $44.0M | Research |
| Mulford Construction Company Inc. | Construction | $1,807,372 | $1,817,374 | 123 | $41.9M | Research |
| Calvert Internal Medicine Group PA | Health Care and Social Assistance | $1,655,605 | $1,678,738 | 159 | $49.9M | Research |
| Oasis Nursing & Rehab LLC | Health Care and Social Assistance | $1,429,560 | $1,445,801 | 150 | $25.5M | Research |
| Dm Group, INC | Professional, Scientific, and Technical Services | $1,402,500 | $1,412,913 | 160 | $17.9M | Research |
| Bayside Chevrolet | Retail Trade | $1,391,877 | $1,405,148 | 100 | $25.2M | Research |
| Dm Group INC | Professional, Scientific, and Technical Services | $1,168,368 | $1,178,515 | 147 | $16.5M | Research |
| Quality Built Homes INC | Construction | $1,081,500 | $1,098,715 | 61 | $18.5M | Research |
| Cpf LLC | Utilities | $934,200 | $941,310 | 52 | N/A | Research |
| The Gott Company | Retail Trade | $848,746 | $856,809 | 146 | $48.9M | Research |
| The Gott Company | Retail Trade | $807,500 | $815,239 | 153 | $51.2M | Research |
| Calvert Controls, Inc. | Construction | $778,335 | $785,990 | 36 | $11.4M | Research |
| Marrick Properties, INC | Construction | $760,000 | $712,712 | 39 | $11.8M | Research |
| Choice Stairways INC | Manufacturing | $651,317 | $657,670 | 59 | $15.4M | Research |
| Metropolitan Controls, Inc. | Construction | $626,000 | $634,434 | 33 | $10.9M | Research |
| Calvert Hospice INC | Health Care and Social Assistance | $612,260 | $616,386 | 46 | N/A | Research |
| Southern Maryland Community Network, Inc. | Health Care and Social Assistance | $602,000 | $606,981 | 85 | N/A | Research |
| Beltway Iron Co INC | Manufacturing | $600,000 | $532,120 | 53 | $13.0M | Research |
| Prince Frederick Dental Center | Health Care and Social Assistance | $539,800 | $547,162 | 58 | $13.4M | Research |
| Prince Frederick Ford INC | Retail Trade | $494,725 | $500,249 | 52 | $13.1M | Research |
| Prince Frederick Dental Center | Health Care and Social Assistance | $490,342 | $495,940 | 51 | $11.8M | Research |
| Winegardner Buick Gmc of Prince Frederick | Retail Trade | $464,073 | $468,281 | 31 | $7.8M | Research |
| Kody Domestics Iii, INC | Retail Trade | $461,340 | $464,300 | 45 | $11.3M | Research |
| Chesapeake Lock & Safe Service Co. | Administrative and Support and Waste Management | $431,186 | $437,081 | 25 | <$5M | Research |