| Pioneer Building Services, Inc. | Administrative and Support and Waste Management | $4,375,599 | $817,892 | 500 | $108.3M |  Research |
| Bullis School, Inc. | Educational Services | $4,256,324 | $4,025,074 | 284 | N/A | Research |
| Shulman Rogers Gandal Pordy & Ecker P.a. | Professional, Scientific, and Technical Services | $4,179,200 | $4,235,619 | 175 | $42.5M | Research |
| St. Andrew's Episcopal School, Inc. | Educational Services | $2,787,318 | $2,826,188 | 157 | N/A | Research |
| The Mclean School of Maryland | Educational Services | $2,243,769 | $2,269,772 | 155 | N/A | Research |
| Home Health Connection INC | Health Care and Social Assistance | $1,710,000 | $1,321,526 | 194 | $33.2M | Research |
| Home Health Connection INC | Health Care and Social Assistance | $1,710,000 | $1,721,619 | 274 | $46.9M | Research |
| The Foulger-Pratt Companies | Real Estate and Rental and Leasing | $1,687,500 | $1,708,426 | 133 | $24.3M | Research |
| New York Center for Child Development | Health Care and Social Assistance | $1,541,287 | $1,561,598 | 160 | N/A | Research |
| Bala Nursing and Retirement Center LP | Health Care and Social Assistance | $1,497,592 | $1,509,245 | 212 | $36.1M | Research |
| German International School of Washington DC | Educational Services | $1,493,100 | $1,514,543 | 173 | N/A | Research |
| Allergy and Asthma Management INC | Health Care and Social Assistance | $1,374,937 | $1,383,263 | 113 | $35.5M | Research |
| Allergy and Asthma Management Inc. | Health Care and Social Assistance | $1,337,267 | $1,354,354 | 114 | $35.8M | Research |
| Connelly School of the Holy Child | Educational Services | $1,322,015 | $1,333,786 | 82 | N/A | Research |
| Willco Construction Co, Inc. | Construction | $1,304,600 | $1,319,639 | 54 | $61.5M | Research |
| Smislova, Kehnemui & Associates, PA | Professional, Scientific, and Technical Services | $1,279,712 | $1,295,566 | 60 | $7.4M | Research |
| New York Center for Infants & Toddlers, Inc. | Health Care and Social Assistance | $1,242,057 | $1,258,425 | 158 | $25.6M | Research |
| The Heights Inc. | Educational Services | $1,196,700 | $1,208,235 | 86 | N/A | Research |
| Rockville Internal Medicine Grp PA | Health Care and Social Assistance | $1,187,700 | $1,201,112 | 114 | $35.8M | Research |
| Management Information Technology Corporation | Professional, Scientific, and Technical Services | $895,000 | $904,342 | 56 | $11.6M | Research |
| Founding Farmers Potomac LLC | Accommodation and Food Services | $794,705 | $806,157 | 134 | $23.8M | Research |
| Fp Corporate Services, LLC | Real Estate and Rental and Leasing | $786,200 | $626,348 | 54 | $9.9M | Research |
| Foulger-Pratt Contracting, LLC | Real Estate and Rental and Leasing | $755,100 | $759,600 | 41 | $7.5M | Research |
| Sky's the Limit of Maryland INC | Accommodation and Food Services | $700,000 | $704,044 | 75 | $13.3M | Research |
| Med Consultants, LLC | Professional, Scientific, and Technical Services | $636,237 | $641,205 | 136 | $19.0M | Research |