| Assured Intelligence, LLC | Centreville | MD | Subcontractor |
| Assuredtek, Inc. | Smithtown | NY | Subcontractor |
| Astha Consultancy, Inc. | Bowie | MD | $0 |
| Athey Creek Consultants, LLC | West Linn | OR | Subcontractor |
| Atip Foundation, LLC | Arlington | TX | $0 |
| Atlantic Analytics And Engineering LLC | Ponte Vedra Beach | FL | Subcontractor |
| Atlas Of Cny Inc. | Rome | NY | Subcontractor |
| Atom Spec LLC | Jefferson | GA | Subcontractor |
| Audax Advisors LLC | Crofton | MD | Subcontractor |
| Augtech LLC | Blacksburg | VA | Subcontractor |
| Avio Consulting, LLC | Dallas | TX | Subcontractor |
| Avrio Analytics LLC | Knoxville | TN | Subcontractor |
| Azimuth Check Advisors, LLC | Woodbridge | VA | Subcontractor |
| Badger Gary J | Orleans | VT | $0 |
| Badlands Scientific Expeditions LLC | Edgewood | NM | $0 |
| Barbara Johnson + Associates, LLC | Merritt Island | FL | $0 |
| Barbara J Sales Associates Inc. | New Kensington | PA | Subcontractor |
| Barry Michael J | Lexington | MA | $0 |
| BC2 LLC | Easton | MD | Subcontractor |
| Bella Research Group, LLC | Boston | MA | $0 |
| Benchmark International LLC | Eugene | OR | $0 |
| Benten Technologies, Inc. | Manassas | VA | $0 |
| Berg, Benjamin W | Honolulu | HI | $0 |
| Bespoke Engineering LLC | Arlington | MA | Subcontractor |
| Biel Crop Consulting, Inc. | Center | CO | $0 |
| Bio Logical LLC | Boulder City | NV | Subcontractor |
| Biostat Global Consulting LLC | Worthington | OH | Subcontractor |
| Bk Consulting, LLC | Falls Church | VA | Subcontractor |
| Blackbelt Technologies Inc. | Birmingham | AL | $0 |
| Black Moon LLC | Washington | DC | Subcontractor |
| Blonz Edward | Kensington | CA | $0 |
| Blowing Things Up LLC | New York | NY | Subcontractor |
| Blue Horizon Consulting LLC | Fairfax | VA | Subcontractor |
| Blue Mountain Aero, LLC | Fishersville | VA | Subcontractor |
| Blue Mountain Consulting - Archaeology & Public History, LLC | La Grande | OR | $0 |
| Blue Raven Scientific LLC | Ridgecrest | CA | Subcontractor |
| Bluestone Group LLC | Charlotte | NC | Subcontractor |
| Bluevolution, LLC | Ladera Ranch | CA | Subcontractor |
| Bob Johnson Group LLC | Suffolk | VA | Subcontractor |
| Bonds Consulting Group LLC | Panama City | FL | $0 |
| Bougainvillea Breeze LLC | Columbia | MD | Subcontractor |
| Boundless Solutions LLC | Tempe | AZ | $0 |
| Brad Mar Engineering LLC | Fairborn | OH | Subcontractor |
| Brendan Halloran | Washington | DC | $0 |
| Brian Bennett | Lewes | DE | $0 |
| Bridgery Technologies, LLC | Naples | FL | $0 |
| Brightemerges, Inc. | Fairfax | VA | Subcontractor |
| Building Automation Services, Inc. | Pasadena | MD | Subcontractor |
| Building Efficiency Resources LLC | Asheville | NC | Subcontractor |
| Burgess Consulting Inc. | Mc Lean | VA | Subcontractor |
| Cameron Global Strategies LLC | Springboro | OH | Subcontractor |
| Canadian Nuclear Laboratories Ltd. | Chalk River | ON | $0 |
| Canmore Company, LLC | Annandale | VA | Subcontractor |
| Capacity Building International, LLC | Austin | TX | Subcontractor |
| Capitol Defense Consulting LLC | Ashburn | VA | Subcontractor |
| Cassidy & Associates, Ltd. | Pasadena | MD | Subcontractor |
| Catalyst Connection | Hazelwood | PA | Subcontractor |
| Catherine, Inc. LLC | Santa Fe | NM | Subcontractor |
| Cathy J Bradley | Denver | CO | $0 |
| Ceb Metasystems, Inc. | Goleta | CA | Subcontractor |
| Center For Agribusiness & Rural Development | Yerevan | | $0 |
| Center For Regulatory Research LLC | Saint Paul | MN | $0 |
| Center For Social Computation, Inc. | Vienna | VA | $0 |
| Center For Study Of Social Policy | Washington | DC | Subcontractor |
| Center For Transportation And The Environment, Inc. | Atlanta | GA | $0 |
| Centerra Services International, Inc. | Herndon | VA | $0 |
| Centerstone Research Institute, Inc. | Nashville | TN | Subcontractor |
| Cerebration Analytics, LLC | Harriman | TN | Subcontractor |
| Cesi - Centro Elettrotecnico Sperimentale Italiano Giacinto Motta S.p.a. O In Forma Abbreviata - Cesi S.p.a. | Milano | MI | $0 |
| CGMP Validation LLC | Huntersville | NC | $0 |
| Chaltron Systems, Inc. | Mentor | OH | Subcontractor |
| Charlotte Macko | Arlington | VA | $0 |
| Chertoff Group LLC | Washington | DC | Subcontractor |
| Christine Webb | Crownsville | MD | $0 |
| Ci-discern LLC | Matthews | NC | Subcontractor |
| Cihan Hakan Arslan | Redmond | WA | Subcontractor |
| Clark Roger N | Eagle Mountain | UT | $0 |
| Cleverbird Ecological Consulting LLC | Fort Collins | CO | $0 |
| CMX Technologies LLC | Reston | VA | $0 |
| Coalfire Systems, Inc. | Chicago | IL | Subcontractor |
| Coalition Of Cancer Cooperative Groups | Philadelphia | PA | $0 |
| Coastal Conservation And Research | Moss Landing | CA | $0 |
| Codes-based Solutions, LLC | Franklin | TN | Subcontractor |
| C/o Futures, LLC | Claremont | CA | Subcontractor |
| Cogitativo, Inc. | Bel Tiburon | CA | Subcontractor |
| Cojeen Archaeological Services, LLC | Norman | OK | $0 |
| Combat Ops Network, Ltd. | Lexington | VA | Subcontractor |
| Combs-dyer Consulting, LLC | Bel Air | MD | Subcontractor |
| Combustion Consulting Services, LLC | Avon | CT | Subcontractor |
| Communication Infrastructure Corp. | Grimes | IA | Subcontractor |
| Community Connections Psychological Associates Inc. | San Mateo | CA | Subcontractor |
| Community Development Reimagined LLC | Fort Myers | FL | Subcontractor |
| Comphydro, Inc. | Orlando | FL | $0 |
| Comply Ehs, LLC | Alexandria | VA | $0 |
| Condor Country Consulting Inc. | Martinez | CA | Subcontractor |
| Connecticut Center For Advanced Technology, Inc. | East Hartford | CT | Subcontractor |
| Connectivity Capital LLC | San Francisco | CA | Subcontractor |
| Conquest Security, Inc. A Maryland Close Corporation | Gaithersburg | MD | $0 |
| Continuum Associates LLC | Clarksville | MD | $0 |
| Control Defense Systems, Inc. | Charlotte | NC | Subcontractor |
