| Young Men's Christian Association | Other Services (except Public Administration) | $9,114,000 | $9,153,987 | 500 | $95.5M |  Research |
| M-L Holdings Crane Group, LLC | Construction | $8,769,900 | $8,872,946 | 404 | $137.7M | Research |
| Miles & Stockbridge P.c. | Professional, Scientific, and Technical Services | $8,587,972 | $8,685,381 | 416 | $101.1M | Research |
| Clearone Advantage LLC | Professional, Scientific, and Technical Services | $7,222,937 | $7,305,061 | 498 | $69.7M | Research |
| Whiteford, Taylor & Preston, LLP | Professional, Scientific, and Technical Services | $6,628,400 | $6,730,772 | 329 | $79.9M | Research |
| First Home Mortgage Corporation | Finance and Insurance | $6,422,770 | $6,567,190 | 438 | $225.0M | Research |
| Catalyst Solutions INC | Professional, Scientific, and Technical Services | $6,174,040 | $6,243,561 | 321 | $33.2M | Research |
| Hord Coplan Macht, Inc. | Professional, Scientific, and Technical Services | $5,523,037 | $5,598,392 | 314 | $97.3M | Research |
| Chase Brexton Health Services, Inc. | Health Care and Social Assistance | $5,489,412 | $5,551,375 | 430 | N/A | Research |
| Notre Dame of Maryland University, Inc. | Educational Services | $4,963,560 | $5,019,315 | 472 | N/A | Research |
| Enterprise Electric Company | Construction | $4,881,100 | $4,936,063 | 210 | $69.1M | Research |
| Legal Aid Bureau, Inc. | Professional, Scientific, and Technical Services | $4,836,100 | $3,941,761 | 265 | N/A | Research |
| Cloverland Dairy Limited Partnership | Agriculture, Forestry, Fishing and Hunting | $4,691,600 | $5,025,412 | 318 | $52.0M | Research |
| Maryland Automobile Insurance Fund | Finance and Insurance | $4,610,800 | $4,300,962 | 225 | N/A | Research |
| World Relief Corporation of the National | Other Services (except Public Administration) | $4,529,900 | $4,282,299 | 100 | N/A | Research |
| Baltimore Medical System, INC | Health Care and Social Assistance | $4,441,900 | $4,495,943 | 400 | N/A | Research |
| Gilman School, Incorporated | Educational Services | $4,188,615 | $4,236,668 | 250 | N/A | Research |
| P Flanigan & Sons INC | Construction | $4,114,500 | $4,162,617 | 177 | $54.9M | Research |
| Continental Realty Corporation | Real Estate and Rental and Leasing | $4,090,925 | $3,606,604 | 292 | $43.8M | Research |
| Maryland Treatment Centers, Inc. | Health Care and Social Assistance | $4,089,700 | $4,135,191 | 404 | $71.9M | Research |
| Regional Management INC | Real Estate and Rental and Leasing | $4,088,400 | $4,125,798 | 344 | $51.6M | Research |
| Personal Genome Diagnostics, Inc. | Professional, Scientific, and Technical Services | $3,857,299 | $3,899,888 | 176 | $36.6M | Research |
| Price Modern LLC | Manufacturing | $3,840,632 | $3,883,458 | 224 | $58.7M | Research |
| National Aquarium INC | Arts, Entertainment, and Recreation | $3,770,500 | $3,814,489 | 375 | $57.0M | Research |
| Roman Catholic Archbishop of Baltimore | Other Services (except Public Administration) | $3,696,552 | $3,536,750 | 211 | N/A | Research |