| Indian Energy LLC | Anaheim | CA | $0 |
| Industrial Analytics And Modeling, Inc. | Austin | TX | $0 |
| Industrial Safety & Rescue Inc. | Westwood | MA | Subcontractor |
| Inentec Inc. | Richland | WA | $0 |
| Information Surety Operations Inc. | Niceville | FL | Subcontractor |
| Ingwersen Enterprises LLC | Pagosa Springs | CO | Subcontractor |
| Innography Inc. | Ann Arbor | MI | $0 |
| Innovation Technologies Consortium | Port Hueneme | CA | Subcontractor |
| Innovector Tech Inc. | Raleigh | NC | $0 |
| Insight Biologics LLC | Washington | DC | $0 |
| Inspec International Limited | Salford | | $0 |
| Institute For Radiological Image Sciences, Inc. | Kitzmiller | MD | $0 |
| Institute For Successful Leadership, Inc. | Winter Garden | FL | $0 |
| Institute Of Botanical Training, LLC | Springfield | MO | $0 |
| Institute Of The Americas | La Jolla | CA | $0 |
| Integral Analysis Group, LLC | Dayton | OH | Subcontractor |
| Integrated Global Insights LLC | West Grove | PA | $0 |
| Inteliteams, Inc. | Holland | MI | $0 |
| Intelligence Insights, LLC | San Marcos | CA | Subcontractor |
| International Cyber Institute, LLC | Dayton | OH | Subcontractor |
| International Electronic Communication Analysts Inc. | Casper | WY | Subcontractor |
| International Health Consultancy, LLC | Decatur | GA | $0 |
| International K-9 College Inc. | Okeechobee | FL | $0 |
| International Society For Pharmacoeconomics & Outcomes Research Inc. | Lawrence Township | NJ | $0 |
| Inventherm, LLC | Baton Rouge | LA | $0 |
| Ipcwell, LLC | Knoxville | TN | Subcontractor |
| Isecure LLC | Rochester | NY | $0 |
| Ishift LLC | Scottsdale | AZ | Subcontractor |
| Iux Consulting Inc. | Arlington | VA | Subcontractor |
| James R Brown | Sand Point | AK | $0 |
| Jaxwin Consulting LLC | Fairfax | VA | Subcontractor |
| Jemm Consulting LLC | Montgomery Village | MD | Subcontractor |
| Jia Haomiao | Fort Lee | NJ | $0 |
| JLJ Management Solutions, LLC | Baton Rouge | LA | Subcontractor |
| Jmac Group LLC | Houston | TX | $0 |
| Joehanes, Roby | Medfield | MA | $0 |
| John C Martin Associates LLC | Lancaster | PA | $0 |
| John Kent Smith | Mechanicsville | PA | Subcontractor |
| John M Griffith LLC | Wildwood | MO | Subcontractor |
| John Shomaker And Associates, Inc. | Albuquerque | NM | $0 |
| Johnson Laurie | San Rafael | CA | $0 |
| John T Everett | Arlington | VA | $0 |
| John Willoughby Ecological Consulting | Placerville | CA | $0 |
| Jon Ake, Consulting Seismologist, L.L.C | Lakewood | CO | Subcontractor |
| Jones Gregory Stuart | Fontana | CA | $0 |
| Joseph P Spruce | Diamondhead | MS | Subcontractor |
| J R Plumer Associates LLC | Belmont | NH | $0 |
| Justine Mcknight Archeobotanical Consultant LLC | West River | MD | $0 |
| K2 Technical, LLC | Tallahassee | FL | Subcontractor |
| Kalsher & Associates, LLC | Hamilton | MT | $0 |
| Kapoor IT Consulting, LLC | Arlington | VA | Subcontractor |
| Kapsuun Group, LLC | Anchorage | AK | Subcontractor |
| KDK Consulting, Inc. | Knoxville | TN | Subcontractor |
| Kemp Mill Consulting LLC | Silver Spring | MD | Subcontractor |
| Kenan Foundation Asia | Khlong Toei Sub-district | BANGKOK | Subcontractor |
| Kenneth Kustin | Chapel Hill | NC | $0 |
| Kevin.e.mooney, LLC | Virginia BCH | VA | Subcontractor |
| Keystone Analytics LLC | Gaithersburg | MD | Subcontractor |
| Kieri Solutions LLC | Lititz | PA | Subcontractor |
| Kiger, William J | Fort Thomas | KY | $0 |
| Kiwitex Limited | Alexandra | | Subcontractor |
| Kla Environmental Services, Inc. | Topeka | KS | $0 |
| Koa Technical Services L.L.C. | Kailua | HI | Subcontractor |
| Kolodzy Consulting, LLC | Falls Church | VA | Subcontractor |
| K Pierce Consulting LLC | Madison | AL | Subcontractor |
| Kramer, Christine | Lewes | DE | $0 |
| Krebs+kiefer Ingenieure GMBH | Darmstadt | | Subcontractor |
| Kuar LLC | Fairfax | VA | Subcontractor |
| Lafrate, Patrick J | Nebo | NC | $0 |
| Lamberson, Linda J. | Albuquerque | NM | Subcontractor |
| Lancette II Peter Joseph | Charlton | MA | Subcontractor |
| Land Contracting Services LLC | Elko | GA | $0 |
| Laplante, David | Montague | CA | $0 |
| La Wojcik & Associates, LLC | Dexter | MI | $0 |
| Leaders International For Economic Development | Amman | | Subcontractor |
| Leap Of Faith Technologies Inc. | Libertyville | IL | $0 |
| Leeland Consulting Inc. | E Liverpool | OH | Subcontractor |
| Legacy Safety & Consulting, LLC | Hobbs | NM | $0 |
| Leidos Engineering & Sciences, LLC | Gaithersburg | MD | $0 |
| Leidos Technical Services, Inc. | Gaithersburg | MD | Subcontractor |
| Lelantos Group Inc. | Mooresville | NC | $0 |
| Lighthouse Safety, LLC | Brookfield | WI | $0 |
| Liles Innovations LLC | Reston | VA | Subcontractor |
| Linmar Analytics, LLC | Albuquerque | NM | Subcontractor |
| Lital Mehr | Sausalito | CA | Subcontractor |
| LKC Consulting LLC | Tampa | FL | Subcontractor |
| Logiq, Inc. | Arlington | VA | Subcontractor |
| Loki Labs Inc. | San Antonio | TX | Subcontractor |
| Lone Mountain Archaeological Services, Inc. | Albuquerque | NM | Subcontractor |
| Longhouse LLC | Beltsville | MD | $0 |
| Low Light Laboratories LLC | Gibsonia | PA | Subcontractor |
| Lumenus Scientific, LLC | Oklahoma City | OK | Subcontractor |
| Lumineer Corp. | El Segundo | CA | Subcontractor |
| Macatawa Unmanned Systems LLC | Holland | MI | $0 |
| Madrone Devlin | Ashland | OR | $0 |
| Mad World Geographics LLC | Louisville | CO | Subcontractor |
| Maika'i Consulting Solutions LLC | Aiea | HI | Subcontractor |
| M Analytics LLC | Scarsdale | NY | $0 |
| Mancuso Botanical Services | Boise | ID | $0 |
| Manta Solutions, LLC | Charlottesville | VA | Subcontractor |
