| J.a. White & Associates, LLC | Columbia | SC | Subcontractor |
| JDM Strategies LLC | Farmington | UT | $0 |
| J.dombi2 Consulting LLC | Boerne | TX | $0 |
| Jd Viewpoint Training & Consulting LLC | Norfolk | VA | Subcontractor |
| Jean Baronas | Menlo Park | CA | Subcontractor |
| Jed-talle(jt) Consulting, LLC | White Plains | MD | $0 |
| Jennifer Goto Sabas | Kaneohe | HI | Subcontractor |
| Jep3 Consulting Group, Inc. | Owings | MD | Subcontractor |
| Jesca Solutions LLC | Silver Spring | MD | Subcontractor |
| Jgraham Enterprises, LLC | Columbia | SC | $0 |
| Jharley Consulting LLC | Orlando | FL | Subcontractor |
| JMW Consultants LLC | Stamford | CT | $0 |
| Jobe Consulting Group, LLC | Bethesda | MD | Subcontractor |
| Johan Kemp Estimating Services Inc. | Centennial | CO | Subcontractor |
| John P. Davis & Associates, LLC | Fairfax | VA | Subcontractor |
| Johnson Jeffrey | Fitchburg | WI | $0 |
| Johnson Jr James H | Pittsboro | NC | $0 |
| John S Senft | York | PA | $0 |
| Joint Relief International Inc. | Summerville | SC | $0 |
| Jones Darryl Edward | Pittsburgh | PA | $0 |
| Jones Dean | Decatur | GA | $0 |
| Jones International Group LLC | Vienna | VA | Subcontractor |
| Jpa Partners LLC | Gardnerville | NV | Subcontractor |
| Jpletcher Consulting, LLC | Lake Elmo | MN | Subcontractor |
| JQ2FT, LLC. | Franklin | OH | Subcontractor |
| JRCS, LLC | Laurel | MD | Subcontractor |
| J. Sapia Consulting, L.L.C. | Garden Ridge | TX | Subcontractor |
| J S Mcgregor Consulting LLC | Bruceton Mills | WV | Subcontractor |
| J.s. Perkins Consulting LLC | Bethesda | MD | Subcontractor |
| J. S. Uboh Enterprises Inc. | Acworth | GA | $0 |
| Jt Fausnight Consulting, LLC | Beavercreek | OH | Subcontractor |
| Jump Associates LLC | San Mateo | CA | $0 |
| Jungwon Tour Co.,ltd. | Pyeongtaek | | $0 |
| Junkommons LLC | Cleveland | OH | Subcontractor |
| Justus Management Consulting LLC | Gurley | AL | Subcontractor |
| JWK Holdings Corporation | Annandale | VA | $0 |
| K3 International, Inc. | Tampa | FL | Subcontractor |
| Kairos Analytics L.L.C. | Athens | AL | Subcontractor |
| Karen Dash Consulting LLC | Wilmington | NC | $0 |
| Kaspar Wire Works, Inc. | Shiner | TX | $0 |
| Kavant Solutions, LLC | Owings | MD | Subcontractor |
| Keep Going Consulting LLC | Clinton | MD | $0 |
| Kellogg Consulting, Inc. | Seattle | WA | $0 |
| Kelly Green Group, LLC | Dadeville | AL | Subcontractor |
| Kesslin Associates Inc. | Philadelphia | PA | $0 |
| Kevin Eikenberry Group | Indianapolis | IN | $0 |
| Key Lime International, Inc. | Deerfield Beach | FL | Subcontractor |
| Key Management Partners, Inc. | Glenn Dale | MD | $0 |
| Kh Consulting Group | Los Angeles | CA | $0 |
| Kijik Corporation | Anchorage | AK | $0 |
| Kimberly A Miller & Associates LLC | Timnath | CO | $0 |
| Kinetic Solutions LLC | Alexandria | VA | Subcontractor |
| Kinetiq Solutions Corporation | Mount Airy | MD | Subcontractor |
| King Industries Corp. | Alto | NM | Subcontractor |
| Kitchell Corporation | Phoenix | AZ | $0 |
| K.i.t. Consulting LLC | Denver | CO | $0 |
| Km Management Group, LLC | Arlington | VA | Subcontractor |
| KNG Health Consulting, LLC | Rockville | MD | Subcontractor |
| Knowledge Management Interactive Inc. | Columbus | OH | $0 |
| Kn Technical Services LLC | Jacksonville | FL | Subcontractor |
| Koch, Kathleen | Clarksville | MD | $0 |
| KPMG Advisory Services Limited | Nairobi | | Subcontractor |
| Kpmg-ukraine Ltd. | Kyiv | | Subcontractor |
| Krendall Orren Business Solutions, Inc. | Beltsville | MD | $0 |
| KWC, LLC | Linthicum Heights | MD | Subcontractor |
| Kwe Consulting LLC | Southern Pines | NC | Subcontractor |
| La-analytics Group S. De R.l. De C.v. | Siguatepeque | | Subcontractor |
| La Gente Consulting, LLC | San Antonio | TX | $0 |
| Laisar Management Group LLC | Silver Spring | MD | $0 |
| Landerson Consulting, Inc. | Baton Rouge | LA | $0 |
| Landrum & Brown, Incorporated | Blue Ash | OH | $0 |
| Larkin Trade International, LLC | Annapolis | MD | $0 |
| Larta Institute | Los Angeles | CA | $0 |
| Laura Calandrella Enterprises LLC | Atlanta | GA | $0 |
| Lavoro, Inc. | Manassas | VA | Subcontractor |
| Lazdins Juris | Woodbine | MD | $0 |
| Lead Beyond Inc. | Peachland | NC | Subcontractor |
| Leading Edge Business Solutions LLC | Detroit | MI | $0 |
| Leading Factors, LLC | Naperville | IL | Subcontractor |
| Leading Point Management Advisory Services | Amman | | Subcontractor |
| Leavitt Partners, LLC | Cottonwood Heights | UT | Subcontractor |
| Lebrun Management Solutions, LLC | Dayton | OH | Subcontractor |
| Leffler Consulting, LLC | Chantilly | VA | $0 |
| Legacy National, LLC | Maple Heights | OH | $0 |
| Legalnet Works Incorporated | Arlington | VA | $0 |
| Legalwatch, Inc. | Spring | TX | $0 |
| Lenax Construction Services, Inc. | Los Angeles | CA | Subcontractor |
| Leorose Consulting Inc. | Washington | DC | Subcontractor |
| Lepco Solutions Group, LLC | Leavenworth | KS | Subcontractor |
| Leroy Thompson & Associates, LLC | Ashburn | VA | $0 |
| Letterman Solutions LLC | Fernandina Beach | FL | Subcontractor |
| Level 4 Ventures, Inc. | Oakland | CA | $0 |
| Lfa Consulting, Inc. | Coral Gables | FL | Subcontractor |
| Lighthouse Consulting Group Inc. | Warren | RI | $0 |
| Lillicrapp & Associates LLC | Bradenton | FL | $0 |
| Lima Charlie Management & Analytics Inc. | Hillsborough | NJ | $0 |
| Liminalarc LLC | Buford | GA | Subcontractor |
| Lincoln Insight, Inc. | Falls Church | VA | Subcontractor |
| L.j. Stewart Consulting, LLC | Stone Mountain | GA | $0 |
| LMN Consulting Inc. | Norwalk | IA | Subcontractor |
