| Parliament LLC | Beachwood | OH | $143M |
| Walter R Mcdonald & Associates, Inc. | Rockville | MD | $142M |
| Karna LLC | Atlanta | GA | $140M |
| Midtown Personnel Inc. | Washington | DC | $140M |
| Significance Inc. | Annapolis | MD | $140M |
| Strategic Alliance Business Group LLC | Fairfax | VA | $138M |
| Grant Thornton Public Sector LLC | Arlington | VA | $138M |
| The Kace Company, LLC. | Ashburn | VA | $137M |
| Island Peer Review Organization Inc. | Jericho | NY | $136M |
| Slalom, Inc. | Seattle | WA | $132M |
| Management Solutions LLC | Knoxville | TN | $130M |
| Jhpiego Corp. | Baltimore | MD | $130M |
| Grant Leading Technology LLC | Riverdale | MD | $129M |
| Miracorp Inc. | Mesa | AZ | $128M |
| Synergy Enterprises, Inc. | North Bethesda | MD | $125M |
| Trident Technical Solutions, LLC | Tampa | FL | $125M |
| Environmental Incentives, Inc. | Encinitas | CA | $125M |
| Seventh Dimension, LLC | Mocksville | NC | $125M |
| Bowen Consulting Group, Inc. The | Chantilly | VA | $124M |
| Censeo Consulting Group, Inc. | Washington | DC | $124M |
| Madison Associates Inc. | Leesburg | VA | $123M |
| Kent Campa & Kate Inc. | Arlington | VA | $121M |
| LDSS, Inc. | Dayton | OH | $118M |
| Think-highpoint JV, LLC | Baltimore | MD | $117M |
| Katmai Resource Management, LLC | Anchorage | AK | $117M |
| Xl Associates, Inc. | Vienna | VA | $117M |
| Azimuth Corporation | Beavercreek | OH | $117M |
| National Institute Of Building Sciences | Washington | DC | $117M |
| Total Computer Solutions, Inc. | Burke | VA | $116M |
| Venesco LLC | Chantilly | VA | $115M |
| Prometheus Federal Services LLC | Chantilly | VA | $115M |
| Centra Technology, Inc. | Arlington | VA | $115M |
| Duty First Consulting LLC | Vienna | VA | $114M |
| Fci Federal, LLC | Falls Church | VA | $114M |
| Innovative Consulting & Management Services, LLC | Gaithersburg | MD | $112M |
| Advancia Technologies, LLC | Milwaukee | WI | $111M |
| Jaria LLC | Manassas | VA | $110M |
| Asrt, Inc. | Smyrna | GA | $110M |
| T3W Business Solutions, Inc. | San Diego | CA | $109M |
| Imsolutions, LLC | Stafford | VA | $109M |
| Its Agile, LLC | College Park | MD | $109M |
| Windsor Group LLC | Bethesda | MD | $108M |
| Archetype II LLC | Washington | DC | $107M |
| Coho Construction Management LLC | Anchorage | AK | $106M |
| Technology Trends Group, LLC | Arlington | VA | $105M |
| Guardians Of Honor, LLC | Washington | DC | $105M |
| Axiom Resource Management, Inc. | Falls Church | VA | $104M |
| Techop Solutions International, Inc. | Stafford | VA | $104M |
| Deloitte Consulting Limited | Dar Es Salaam | | $104M |
| Panagora Group Inc. | Silver Spring | MD | $103M |
| Siertek, Ltd. | Beavercreek Township | OH | $103M |
| Tria Federal, LLC | Arlington | VA | $103M |
| BCT Partners LLC | Newark | NJ | $102M |
| Leumas Residential LLC | Fredericksburg | VA | $102M |
| Arrow Arc LLC | Alexandria | VA | $102M |
| Vector Resource Inc. | Sewickley | PA | $100M |
| Chenega Defense & Aerospace Solutions, LLC | Huntsville | AL | $100M |
| Endyna, Inc. | Mc Lean | VA | $99.6M |
| Asr Analytics, LLC | Columbia | MD | $99.5M |
| Raine & Company, LLC | Atlanta | GA | $98.8M |
| Arcus Group, LLC | Nashville | TN | $98.7M |
| Irving Burton Associates, LLC | Silver Spring | MD | $98.4M |
| Kre JV, LLC | Ivins | UT | $97.8M |
| Street Legal Industries LLC | Oak Ridge | TN | $96.3M |
| Alpha Omega Group LLC | Rancho Palos Verdes | CA | $96.2M |
| Itsc Secure Solutions, LLC | Owens Cross Roads | AL | $96.1M |
| Industrial Economics Inc. | Cambridge | MA | $95.6M |
| Telesolv Consulting Inc. | Washington | DC | $95.6M |
| Quality Insights, Inc. | Charleston | WV | $95.4M |
| Iem International, Inc. | Raleigh | NC | $95M |
| Trust Consulting Services Inc. | Washington | DC | $94.5M |
| Cayuse Federal Services LLC | Pendleton | OR | $93.9M |
| Aleto, Inc. | Arlington | VA | $92.9M |
| Cameo Consulting Group LLC | Rockville | MD | $92.8M |
| Ruchman And Associates, Inc. | Nottingham | MD | $92.8M |
| Atsg Corporation | Lorton | VA | $92M |
| Metis Celestar JV LLC | Tampa | FL | $91.3M |
| Kaiva Services, LLC | Ivins | UT | $90.9M |
| Community Development Institute | Denver | CO | $89.6M |
| Social Solutions International, Inc. | Rockville | MD | $89.3M |
| New Editions, Inc. | Falls Church | VA | $88.9M |
| Dynamis, Inc. | Falls Church | VA | $88.2M |
| Jll-rer Solutions, LLC | Washington | DC | $88M |
| Management & Technical Services Alliance Joint Venture | Fairfax | VA | $87.9M |
| Management Solutions Consulting Group, Inc. | Lanham | MD | $87.6M |
| Ripple Effect Communications, Inc. | Rockville | MD | $87.3M |
| Socha, LLC | Columbus | NE | $86.7M |
| Pathfinder Consultants, LLC | Sterling | VA | $86.6M |
| Lynch Consultants, LLC | Arlington | VA | $86.3M |
| Betah Associates, Inc. | Silver Spring | MD | $86.2M |
| Creative Business Solutions, Inc. | Bowie | MD | $86.1M |
| VXL Enterprises LLC | Fredericksburg | VA | $86M |
| Arlo Solutions L.L.C. | Washington | DC | $85.5M |
| University Research Co. LLC | Bethesda | MD | $85.4M |
| Blake Willson Group LLC | Arlington | VA | $84.8M |
| Immersion Consulting LLC | Annapolis | MD | $84.3M |
| Jsi Research & Training Institute Inc. | Boston | MA | $82.6M |
| A. Reddix & Associates Inc. | Norfolk | VA | $82.3M |
| Makpar-nuaxis JV LLC | Centreville | VA | $82.3M |
| Integrity Management Consulting, Inc. | Tysons | VA | $82.2M |