| Eskra Technical Products Inc. | Saukville | WI | $0 |
| Etavonics, LLC | Severna Park | MD | Subcontractor |
| Eureka Engineering, LLC | Seattle | WA | Subcontractor |
| Eureka Strategic Consulting, LLC | Columbia | MD | Subcontractor |
| Eureka Technology Incorporated | Los Altos Hills | CA | Subcontractor |
| Euro Gear (usa), Inc. | Conroe | TX | $0 |
| Evaltek, Inc. | Virginia Beach | VA | Subcontractor |
| Evangelista-acabado Engineers Inc. | Dededo | GU | $0 |
| Evangrace Inc. | San Diego | CA | Subcontractor |
| Evans-graves Engineers Inc. | Baton Rouge | LA | $0 |
| Evans-graves Engineers, Inc. | New Orleans | LA | $0 |
| Evans, Mechwart, Hambleton & Tilton, Inc. | New Albany | OH | $0 |
| Evlos Technology LLC | Annapolis Junction | MD | Subcontractor |
| Evolving Resources, Inc. | Camarillo | CA | Subcontractor |
| Evs, Inc. | Eden Prairie | MN | Subcontractor |
| Excel Engineering, Inc. | Fond Du Lac | WI | Subcontractor |
| Excelsior Design, Inc. | Richland | WA | Subcontractor |
| Excel Testing And Engineering LLC | Diagonal | IA | Subcontractor |
| Executive Decisions, LLC | North Potomac | MD | Subcontractor |
| Exeltech Consulting, Inc. | Lacey | WA | Subcontractor |
| Exemplar Systems LLC | Beavercreek | OH | Subcontractor |
| Exolaunch, Inc. | Denver | CO | Subcontractor |
| Explora Security A&e, Inc. | Henrico | VA | $0 |
| Eyon Technologies Inc. | Oakville | ON | $0 |
| Eyrie Networks LLC | Germantown | MD | Subcontractor |
| F4 Defense International, Inc. | Mc Henry | MD | Subcontractor |
| Facilities Engineering Associates, PC | Farmington | CT | Subcontractor |
| Facility Diagnostics, LLC | Nashville | TN | Subcontractor |
| Facility Engineering Services KCP LLC | Kansas City | MO | Subcontractor |
| Facility Support Inc. | Seattle | WA | Subcontractor |
| Falcon Engineering Inc. | Cary | NC | $0 |
| Falk Pli Engineering & Surveying, Inc. | Portage | IN | $0 |
| Fc&e Engineering LLC | Brandon | MS | $0 |
| F-chart Software LLC | Fitchburg | WI | $0 |
| Fed Centric Technologies LLC | Chevy Chase | MD | $0 |
| Federal Enterprise Solutions LLC | San Luis | AZ | Subcontractor |
| Fehr-graham & Associates LLC | Freeport | IL | $0 |
| Fehr & Peers | Walnut Creek | CA | Subcontractor |
| F & H Consultants, PC | Cockeysville | MD | Subcontractor |
| Fidelis Engineering Inc. | San Juan | PR | $0 |
| Filippone & Associates LLC | College Park | MD | Subcontractor |
| Filo LLC | Sarasota | FL | Subcontractor |
| Firelogix Engineering Ltd. | Lebanon | OH | Subcontractor |
| Fire Protection Consulting Group LLC | San Antonio | TX | Subcontractor |
| First Line Coastal LLC | Sarasota | FL | Subcontractor |
| First Line Defense, LLC | Annandale | VA | Subcontractor |
| First Principles Incorporated | Kure Beach | NC | Subcontractor |
| First Team Defense Solutions LLC | Summerville | SC | $0 |
| Fishbeck Thompson Carr & Huber Inc. | Grand Rapids | MI | Subcontractor |
| Fitz-thors Engineering, Inc. | Bessemer | AL | Subcontractor |
| Five Fold Engineering, LLC | Seminole | FL | Subcontractor |
| Fives Lund LLC | Seattle | WA | $0 |
| Fleeman Anderson & Bird Corp. | New Port Richey | FL | $0 |
| Flexcom Systems, LLC | Peoria | AZ | Subcontractor |
| Flood & Sterling Inc. | New Cumberland | PA | Subcontractor |
| Florida Commercial Propulsion & Power Systems Inc. | Mims | FL | Subcontractor |
| Fluhr Engineering, LLC | Titusville | FL | Subcontractor |
| FMS Secure Solutions LLC | Linthicum Heights | MD | Subcontractor |
| F Number Optical, LLC | Springfield | OR | Subcontractor |
| Foresight Engineering, P.C. | Reston | VA | $0 |
| Foresys Inc. | Wexford | PA | Subcontractor |
| Forsberg Engineering & Surveying, Inc. | Charleston | SC | $0 |
| Forward Engineers, PLLC | Rogers | AR | Subcontractor |
| Forza Silicon Corporation | Pasadena | CA | Subcontractor |
| Foster Engineering & Consulting LLC | Columbia | SC | Subcontractor |
| Foundation Defense Services, Inc. | Owens Cross Roads | AL | Subcontractor |
| Foundation Systems Engineering, P.C. | Knoxville | TN | Subcontractor |
| Foundry Inc. | Severn | MD | Subcontractor |
| Four Sea Group Inc. | Greenwood Village | CO | Subcontractor |
| Fourth Dimension Engineering LLC | Columbia | MD | $0 |
| Fourth Factor Engineering | Minneapolis | MN | Subcontractor |
| Fpolisolutions, LLC | Pittsburgh | PA | Subcontractor |
| Franson Civil Engineers Inc. | American Fork | UT | $0 |
| Frazerlab Pty Ltd. | Rosslyn Park | | Subcontractor |
| Frederick Ward Associates, Inc. | Bel Air | MD | Subcontractor |
| Freedom Cad Services, Inc. | Bedford | NH | Subcontractor |
| Freese And Nichols, Inc. | Fort Worth | TX | Subcontractor |
| French & Parrello Associates Pa | Wall Township | NJ | Subcontractor |
| Frontenac Engineering Group Inc. | Saint Louis | MO | Subcontractor |
| Frontier Energy Inc. | Pleasanton | CA | $0 |
| Frontier Engineering Services LLC | San Francisco | CA | Subcontractor |
| FSC Inc. | Overland Park | KS | Subcontractor |
| FTF Engineering, Inc. | San Francisco | CA | Subcontractor |
| FTN Associates, Ltd. | Little Rock | AR | $0 |
| Fuchs Consulting Inc. | Leesburg | VA | $0 |
| Function Engineering, Inc. | Palo Alto | CA | Subcontractor |
| Fuss & O'neill, Inc. | Hartford | CT | $0 |
| Fylaxcyber Inc. | Chula Vista | CA | Subcontractor |
| G2 Engineering, Inc. | Saratoga | CA | Subcontractor |
| G2 Ops, Inc. | San Diego | CA | Subcontractor |
| G3 Quality, Inc. | Cerritos | CA | Subcontractor |
| Gahagan & Bryant Associates Inc.League City, TX · UEI C43GTJX8A488 | League City | TX | Subcontractor |
| Gahagan & Bryant Associates Inc.Wilmington, NC · UEI VH6VMJ2LGNA8 | Wilmington | NC | $0 |
| Gahagan & Bryant Associates, Inc. | Tampa | FL | Subcontractor |
| Gaither Wren Consulting LLC | Fort Mill | SC | Subcontractor |
| Galanis Jimmy | Newark | DE | Subcontractor |
| Gale Associates "south", Inc. | Altamonte Springs | FL | $0 |
| Gale Force Marine LLC | Fort Worth | TX | Subcontractor |
| Gallagher Neil | Glen Cove | NY | $0 |
| Galloway & Company, LLC | Greenwood Village | CO | Subcontractor |
