| March of Dimes Inc. | Other Services (except Public Administration) | $10,000,000 | $10,103,288 | 500 | $95.5M |  Research |
| Airlines Reporting Corporation | Transportation and Warehousing | $9,448,610 | $9,557,794 | 370 | $93.8M | Research |
| American Diabetes Association, Inc. | Other Services (except Public Administration) | $8,321,997 | $8,420,493 | 463 | N/A | Research |
| Buchanan & Edwards INC | Professional, Scientific, and Technical Services | $7,697,100 | $1,797,667 | 280 | $57.9M | Research |
| The Hanover Research Council, LLC | Professional, Scientific, and Technical Services | $5,999,150 | $6,126,858 | 371 | $38.4M | Research |
| Millennium Corporation | Professional, Scientific, and Technical Services | $5,431,976 | $5,525,074 | 256 | $31.6M | Research |
| Bytecubed LLC | Professional, Scientific, and Technical Services | $5,419,824 | $5,490,432 | 250 | $35.0M | Research |
| Advanced Concepts and Technologies International, LLC | Information | $4,643,011 | $4,696,056 | 268 | $45.0M | Research |
| Fors Marsh Group LLC | Professional, Scientific, and Technical Services | $4,460,000 | $4,535,696 | 274 | $56.9M | Research |
| Cambridge International Systems INC | Professional, Scientific, and Technical Services | $4,224,145 | $4,278,422 | 204 | $25.2M | Research |
| Dominion Electric Supply Company, Inc. | Manufacturing | $4,209,500 | $4,259,312 | 300 | $78.5M | Research |
| International Justice Mission | Other Services (except Public Administration) | $4,024,930 | $4,071,298 | 250 | N/A | Research |
| Excella INC | Professional, Scientific, and Technical Services | $3,940,500 | $3,990,632 | 283 | $39.6M | Research |
| Cydecor, Inc. | Professional, Scientific, and Technical Services | $3,851,000 | $3,915,076 | 202 | $41.8M | Research |
| Conservation Fund | Other Services (except Public Administration) | $3,843,101 | $3,887,297 | 187 | N/A | Research |
| Mission1st Group, Inc. | Professional, Scientific, and Technical Services | $3,829,900 | $3,881,630 | 183 | $18.9M | Research |
| Energix Epc US LLC | Utilities | $3,690,105 | $1,035,520 | 152 | N/A | Research |
| Trout, Unlimited | Other Services (except Public Administration) | $3,337,300 | $3,372,898 | 247 | $47.2M | Research |
| Evoke Research and Consulting, LLC | Professional, Scientific, and Technical Services | $3,284,025 | $3,322,645 | 209 | $43.2M | Research |
| Crown Consulting Inc. | Professional, Scientific, and Technical Services | $2,987,755 | $3,041,285 | 200 | $28.0M | Research |
| Phase2 Technology LLC | Professional, Scientific, and Technical Services | $2,980,600 | $3,274,088 | 147 | $30.4M | Research |
| American Service Center Associates, LLC | Retail Trade | $2,794,302 | $2,825,231 | 193 | $48.6M | Research |
| Catholic Diocese of Arlington | Other Services (except Public Administration) | $2,775,000 | $2,806,065 | 200 | N/A | Research |
| The Student Conservation Association, Inc. | Other Services (except Public Administration) | $2,747,100 | $2,778,184 | 351 | N/A | Research |
| Fonteva INC | Information | $2,694,100 | $2,725,322 | 118 | $19.8M | Research |