| Waldorf Ford INC | Retail Trade | $1,573,700 | $1,591,579 | 144 | $36.3M |  Research |
| Adcocks Systems LLC | Construction | $1,517,000 | $1,528,335 | 103 | $33.9M | Research |
| Kody Imports Ii, LLC | Retail Trade | $1,504,433 | $1,521,543 | 139 | $35.0M | Research |
| Car-Life Enterprises INC | Other Services (except Public Administration) | $1,426,000 | $1,437,174 | 98 | $19.2M | Research |
| MD Consulting, LLC | Professional, Scientific, and Technical Services | $1,342,000 | $1,352,587 | 88 | $9.1M | Research |
| Keller Transportation INC | Transportation and Warehousing | $1,239,568 | $1,250,435 | 170 | $65.4M | Research |
| Fusion Dental PA | Health Care and Social Assistance | $1,228,390 | $1,241,381 | 85 | $19.7M | Research |
| Fusion Dental P a | Health Care and Social Assistance | $1,228,390 | $0 | 69 | $16.0M | Research |
| Keller Transportation Inc. | Transportation and Warehousing | $1,212,502 | $1,226,022 | 170 | $65.4M | Research |
| Car-Life Enterprises INC | Other Services (except Public Administration) | $1,189,192 | $1,201,084 | 84 | $16.5M | Research |
| Southern Maryland Heating & Air INC | Construction | $999,200 | $1,018,965 | 104 | $32.9M | Research |
| Tdr Systems, Inc. | Manufacturing | $978,202 | $986,483 | 76 | $18.6M | Research |
| Haztrain. Inc. | Professional, Scientific, and Technical Services | $926,210 | $936,056 | 57 | $5.9M | Research |
| Hamilton Pacific Chamberlain LLC | Construction | $905,380 | $909,957 | 48 | $54.7M | Research |
| Qlarant Quality Solutions, Inc. | Other Services (except Public Administration) | $901,800 | $912,045 | 86 | N/A | Research |
| Kody Domestics LLC | Retail Trade | $887,087 | $897,165 | 73 | $18.4M | Research |
| Haztrain INC | Professional, Scientific, and Technical Services | $872,500 | $878,389 | 67 | $6.9M | Research |
| Jimmy Richards and Sons Excavating INC | Construction | $841,600 | $852,564 | 74 | $27.7M | Research |
| Waldorf Tire Center, Inc. | Other Services (except Public Administration) | $809,900 | $818,753 | 74 | $14.5M | Research |
| Beltway Paving of Southern Maryland, Inc. | Manufacturing | $795,815 | $802,443 | 41 | $40.7M | Research |
| Beltway Paving of Southern Maryland Inc. | Manufacturing | $740,037 | $745,856 | 41 | $40.7M | Research |
| Hamilton Pacific Chamberlain LLC | Construction | $736,900 | $682,244 | 50 | $57.0M | Research |
| Kody Imports LLC | Retail Trade | $649,552 | $657,182 | 82 | $20.7M | Research |
| Charleston Grove, LLC | Health Care and Social Assistance | $610,980 | $618,210 | 129 | $21.9M | Research |
| Bond & Butler Group LLC | Public Administration | $595,820 | $0 | 32 | N/A | Research |