| Fairfax Radiological Consultants, PC | Health Care and Social Assistance | $6,866,700 | $6,946,049 | 90 | $28.2M |  Research |
| Teoco Corporation | Professional, Scientific, and Technical Services | $6,428,812 | $6,499,617 | 299 | $61.8M | Research |
| Ghs Services INC | Professional, Scientific, and Technical Services | $6,128,769 | $6,137,703 | 500 | $51.8M | Research |
| Mcdonough Bolyard Peck, Inc. | Professional, Scientific, and Technical Services | $5,592,700 | $5,655,307 | 273 | $33.7M | Research |
| W R Systems Ltd | Professional, Scientific, and Technical Services | $4,966,269 | $0 | 332 | $68.7M | Research |
| Ted Britt Ford Sales, Inc. | Retail Trade | $4,848,900 | $4,788,776 | 339 | $85.4M | Research |
| Omega World Travel INC | Administrative and Support and Waste Management | $4,750,000 | $4,804,889 | 435 | $137.6M | Research |
| Mclean Mortgage Corporation | Finance and Insurance | $4,628,000 | $4,271,635 | 274 | $140.8M | Research |
| Virginia Cancer Specialists PC | Health Care and Social Assistance | $4,478,087 | $4,526,180 | 267 | $83.8M | Research |
| Stratford University, Inc. | Educational Services | $4,403,977 | $4,457,436 | 342 | $41.0M | Research |
| Your Recruiting Company, Inc. | Professional, Scientific, and Technical Services | $4,168,352 | $0 | 323 | $33.4M | Research |
| Consolidated Safety Services INC | Administrative and Support and Waste Management | $3,823,900 | $1,638,650 | 259 | $49.0M | Research |
| Vta, LLC | Other Services (except Public Administration) | $3,809,849 | $3,854,002 | 322 | $63.1M | Research |
| The Peterson Companies Lc | Real Estate and Rental and Leasing | $3,737,700 | $3,275,203 | 194 | $29.1M | Research |
| Great American Restaurants INC | Accommodation and Food Services | $3,681,400 | $3,731,303 | 199 | $35.3M | Research |
| Trusted Doctors, LLC | Health Care and Social Assistance | $3,542,200 | $3,072,710 | 253 | $79.4M | Research |
| Atlantic Coast Mortgage, LLC | Finance and Insurance | $3,437,700 | $3,496,905 | 189 | $97.1M | Research |
| Fairfax Neonatal Associates, P.c. | Health Care and Social Assistance | $3,251,750 | $3,289,435 | 135 | $42.4M | Research |
| Crescent Hotels & Resorts LLC | Accommodation and Food Services | $3,225,145 | $3,262,168 | 130 | $40.6M | Research |
| Vignet Inc. | Professional, Scientific, and Technical Services | $3,179,700 | $3,217,503 | 136 | $19.0M | Research |
| Emagineit INC | Professional, Scientific, and Technical Services | $3,165,997 | $3,201,966 | 125 | $25.9M | Research |
| Adcomm LLC | Information | $3,083,467 | $2,965,156 | 422 | $70.9M | Research |
| J. Spargo & Associates, Inc. | Administrative and Support and Waste Management | $2,965,700 | $3,000,382 | 185 | $35.0M | Research |
| Saratoga Medical Center INC | Health Care and Social Assistance | $2,873,200 | $2,684,755 | 378 | $118.6M | Research |
| Washington Radiology Assoc Pllc | Health Care and Social Assistance | $2,765,200 | $606,524 | 26 | $8.2M | Research |