| Hart to Heart Ambulance Service Inc. | Health Care and Social Assistance | $1,540,392 | $1,552,040 | 226 | $52.4M |  Research |
| Ssc Forest Hill Operating Company LLC | Health Care and Social Assistance | $1,472,200 | $1,485,941 | 157 | $26.7M | Research |
| Hart to Heart Ambulance Service, Inc. | Health Care and Social Assistance | $1,452,964 | $1,465,782 | 227 | $52.6M | Research |
| Comer Construction, Inc. | Construction | $1,274,217 | $1,291,428 | 95 | $29.4M | Research |
| Comer Construction Inc. | Construction | $1,274,217 | $1,286,924 | 87 | $27.0M | Research |
| Ecotone, Inc. | Professional, Scientific, and Technical Services | $1,131,690 | $1,139,813 | 90 | $9.3M | Research |
| Modular Components National | Manufacturing | $1,026,300 | $0 | 113 | $29.6M | Research |
| Sensory Interactive Inc. | Professional, Scientific, and Technical Services | $955,655 | $963,588 | 54 | $7.6M | Research |
| Jrb LLC | Construction | $846,900 | $854,946 | 85 | $25.8M | Research |
| Bry's Lawn Care and Landscaping, LLC | Administrative and Support and Waste Management | $811,500 | $819,660 | 85 | $18.4M | Research |
| Anchor Mechanical, LLC | Construction | $733,000 | $738,559 | 78 | $24.7M | Research |
| Fallston Supply Inc. | Construction | $666,644 | $672,810 | 55 | $17.3M | Research |
| Breslin Young & Slaughter LLC | Professional, Scientific, and Technical Services | $658,000 | $662,332 | 43 | <$5M | Research |
| Fallston Supply Inc. | Wholesale Trade | $644,300 | $649,884 | 54 | $16.5M | Research |
| Burgers of Baltimore, LLC | Accommodation and Food Services | $626,182 | $632,066 | 160 | $28.4M | Research |
| Breslin Young Slaughter LLC | Professional, Scientific, and Technical Services | $614,000 | $619,753 | 35 | <$5M | Research |
| Burgers of Baltimore II LLC | Accommodation and Food Services | $600,002 | $605,624 | 196 | $34.8M | Research |
| Stringfellow Management Group, Inc. | Professional, Scientific, and Technical Services | $590,100 | $593,871 | 43 | <$5M | Research |
| Stamper Electric, INC | Construction | $558,900 | $564,116 | 40 | $13.2M | Research |
| Stamper Electric Inc. | Construction | $543,731 | $524,129 | 35 | $11.5M | Research |
| Ficep Corporation | Wholesale Trade | $504,200 | $507,155 | 28 | $8.6M | Research |
| The Paint Doctor LLC | Construction | $502,782 | $0 | 29 | $7.3M | Research |
| James a Quick INC | Construction | $480,265 | $484,561 | 33 | $10.0M | Research |
| Tj Distributors, Inc. | Construction | $448,200 | $452,383 | 35 | $39.9M | Research |
| Bel Air Dental Health Associates, P.a. | Health Care and Social Assistance | $430,733 | $402,612 | 39 | $9.0M | Research |