Twenty-one Fairfax County firms made the Deloitte & Touche Technology Fast 500 in 2008. The list ranks the fastest growing technology, media, telecommunications and life sciences companies in North America based on percentage of fiscal year revenue growth over five years (2003-2007).
| RANK | COMPANY | LOCATION | WEB SITE |
|---|---|---|---|
| 8 | CompuGain Corporation | Herndon | www.compugain.com |
| 24 | Approva Corporation | Reston | www.approva.net |
| 49 | SPADAC, Inc. | McLean | www.spadac.com |
| 72 | TelePlus, LLC | Alexandria | www.callingcardplus.com |
| 73 | Adaequare, Inc. | Chantilly | www.adaequare.com |
| 115 | International Solutions Group, Inc. | Herndon | www.isgit.com |
| 174 | Apptix | Herndon | www.apptix.com |
| 175 | Customer Value Partners | Fairfax | www.cvpcorp.com |
| 219 | Parature | Vienna | www.parature.com |
| 221 | Nexius | Herndon | www.nexius.com |
| 253 | Abraxas Corporation | Herndon | www.abtraxascorp.com |
| 287 | ConceptSolutions | Reston | www.concept-solutions.com |
| 347 | ICF International | Fairfax | www.icfi.com |
| 352 | IMCI Technologies | Herndon | www.imci.net |
| 354 | ActioNet, Inc. | Fairfax | www.actionet.com |
| 385 | K12, Inc. | Herndon | www.k12.com |
| 444 | Ecompex, Inc. | McLean | www.ecompex.com |
| 463 | comScore, Inc. | Reston | www.comscore.com |
| 477 | ARGON ST, Inc. | Fairfax | www.argonst.com |
| 485 | Online Resources Corp. | Chantilly | www.orcc.com |
| 488 | NII Holdings, Inc. | Reston | www.nii.com |