| CompanyName | State | City | Company of |
| AgustaWestland Canada | Nova Scotia | Hailfax | AgustaWestland |
| AgustaWestland Tiltrotor | TX | Arlington | AgustaWestland |
| AgustaWestland North America | VA | Reston | AgustaWestland |
| AgustaWestland North America | AL | Huntsville | AgustaWestland |
| AgustaWestland Philadelphia | PA | Philadelphia | AgustaWestland |
| AgustaWestland Canada | Ontario | Ottawa | AgustaWestland |
| AgustaWestland | MD | Hagerstown | AgustaWestland |
| Superjet International | DC | Washington | Alenia Aeronautica |
| Alenia North America Inc. | TX | Forth Worth | Alenia North America |
| Alenia North America Inc. | MD | Pax River | Alenia North America |
| Alenia North America Inc. | CA | Long Beach | Alenia North America |
| Alenia North America Inc. | GA | Smyrna | Alenia North America |
| Alenia North America Inc. | DC | Washington | Alenia North America |
| Ansaldo Energia | NJ | East Hanover | Ansaldo Energia/First Reserve Corporation |
| Ansaldo STS | KS | Lenexa | Ansaldo STS |
| Ansaldo STS | Ontario | Kingston | Ansaldo STS |
| Ansaldo STS | FL | Jacksonville | Ansaldo STS |
| Ansaldo STS | PA | Pittsburgh | Ansaldo STS |
| Ansaldo STS | PA | Norristown | Ansaldo STS |
| Ansaldo STS | SC | Batesburg | Ansaldo STS |
| Ansaldo STS | NJ | Hamilton | Ansaldo STS |
| AnsaldoBreda, Inc. | CA | San Francisco | AnsaldoBreda |
| AnsaldoBreda, Inc. | NY | Dansville | AnsaldoBreda |
| AnsaldoBreda, Inc. | NY | Buffalo | AnsaldoBreda |
| AnsaldoBreda, Inc. | CA | Pittsburg | AnsaldoBreda |
| AnsaldoBreda, Inc. | CA | Los Angeles | AnsaldoBreda |
| Ansaldo Honolulu | HI | Honolulu | AnsaldoSTS/Ansaldo Breda |
| Alenia North America Inc. | WA | Seattle | Boeing/Alenia North America |
| DRS ICAS LLC | PA | Horsham | DRS Defense Solutions |
| DRS Signal Solutions Inc. | MD | Columbia | DRS Technologies |
| DRS Consildated Controls | CT | Danbury | DRS Technologies |
| DRS Power Technology Inc. | MA | Fitchburg | DRS Technologies |
| DRS Power Technology Inc. | MA | Hudson | DRS Technologies |
| DRS Technical Services | VA | Lorton | DRS Technologies |
| DRS Power, Environmental and Sustainment Systems Group HQ | VA | Arlington | DRS Technologies |
| DRS Signal Solutions Inc. | MD | Gaithersburg | DRS Technologies |
| DRS Corporate Headquarters | VA | Arlington | DRS Technologies |
| DRS Integrated Defense Systems and Servies Group HQ | MD | Rockville | DRS Technologies |
| DRS Technologies | MD | Frederick | DRS Technologies |
| DRS C3 & Aviation Company | MD | Gaithersburg | DRS Technologies |
| DRS Sustainment Systems, Inc. | MO | West Plains | DRS Technologies |
| DRS C3 & Aviation Company | NJ | Oakland | DRS Technologies |
| DRS Domestic Communications Division | AK | Fairbanks | DRS Technologies |
| DRS Techn ical Services | VA | Herndon | DRS Technologies |
| DRS Environmental Systems, Inc. | KY | Florence | DRS Technologies |
| DRS Network and Imaging Systems Group HQ | TX | Dallas | DRS Technologies |
| DRS Power & Control Technologies Inc. | WI | Milwaukee | DRS Technologies |
| DRS Test & Energy Management Inc. | AL | Huntsville | DRS Technologies |
| DRS C3 & Aviation Company | GA | Warner Robbins | DRS Technologies |
| DRS Sensors and Targeting Systems | CA | Cypress | DRS Technologies |
| DRS Tactical Systems, Inc. | FL | Melbourne | DRS Technologies |
| DRS RSTA, Inc. | FL | Melbourne | DRS Technologies |
| DRS Laurel Technologies | FL | Largo | DRS Technologies |
| DRS Training and Control Systems LLC | FL | Ft. Walton Beach | DRS Technologies |
| DRS ICAS LLC | FL | Ft. Walton Beach | DRS Technologies |
| DRS Soneticom | FL | West Melbourne | DRS Technologies |
| DRS Domestic Communications Division | AK | Anchorage | DRS Technologies |
| DRS Technical Services | CA | San Diego | DRS Technologies |
| DRS Fermont | CT | Bridgeport | DRS Technologies |
| DRS Technologies Canada Ltd. | Ontario | Ottawa | DRS Technologies |
| DRS Technical Services | AL | Huntsville | DRS Technologies |
| DRS ICAS LLC | OH | Beavercreek | DRS Technologies |
| DRS Sustainment Systems, Inc. | MO | St Louis | DRS Technologies |
| DRS Environmental Systems, Inc. | OH | Cincinnati | DRS Technologies |
| DRS RSTA | AL | Huntsville | DRS Technologies |
| DRS C3 & Aviation Company | OK | Oklahoma City | DRS Technologies |
| DRS Power and Environmental Systems, Inc. | NY | Schenectady | DRS Technologies |
| DRS C3 & Aviation Company | VA | Richmond | DRS Technologies |
| DRS C3 & Aviation Company | AL | Andalusia | DRS Technologies |
| DRS Technologies Canada Ltd. | Ontario | Carleton Place | DRS Technologies |
| DRS RSTA, Inc. | TX | Dallas | DRS Technologies |
| DRS RSTA, Inc. | TX | Dallas | DRS Technologies |
| DRS C3 & Aviation Company | PA | Horsham | DRS Technologies |
| DRS Laurel Technologies | PA | Johnstown | DRS Technologies |
| DRS RSTA, Inc. | TX | Dallas | DRS Technologies |
| DRS RSTA, Inc. | TX | Dallas | DRS Technologies |
| DRS C3 & Aviation Company | VA | Chesapeake | DRS Technologies |
| DRS ICAS LLC | NH | Merrimack | DRS Technologies |
| DRS Technical Services | MT | Polson | DRS Technologies |
| DRS ICAS LLC | NY | Buffalo | DRS Technologies |
| DRS Pivotal Power | Nova Scotia | Bedford | DRS Technologies |
| DRS Power Solutions | VA | Chantilly | DRS Technologies |
| DRS Technologies | NJ | Parsippany | DRS Technologies |
| DRS Systems Inc. | NJ | Parsippany | DRS Technologies |
| DRS Marlo Coil | MO | High Ridge | DRS Technologies |
| DRS Technical Services | VA | Dulles | DRS Technologies |
| DRS C3 & Aviation Company | MT | Polson | DRS Technologies |
| DRS C3 & Aviation Company | NC | Elizabeth City | DRS Technologies |
| Advanced Acoustic Concepts | MT | Bozeman | DRS Technologies/Thales |
| Advanced Acoustic Concepts | DC | Washington | DRS Technologies/Thales |
| Advanced Acoustic Concepts | CA | San Diego | DRS Technologies/Thales |
| Advanced Acoustic Concepts LLC | PA | Lemont Furnace | DRS Technologies/Thales |
| AAC | MD | Columbia | DRS Technologies/Thales |
| Advanced Acoustic Concepts | NY | Hauppauge | DRS Technologies/Thales |
| MBDA | VA | Arlington | EADS/BAE/Finmeccanica |
| MBDA | CA | West Lake | EADS/BAE/Finmeccanica |
| MBDA | AL | Huntsville | EADS/BAE/Finmeccanica |
| ATR | VA | Dulles | EADS/Finmeccanica |
| ELSAG North America | NC | Greensboro | ELSAG North America |
| ELSAG North America | NY | Brewster | ELSAG North America |
| Finmeccanica North America | DC | Washington | Finmeccanica |
| FATA | CA | Riverside | Finmeccanica |
| Global Military Aircraft Systems | MS | Madison | L-3/Alenia North America |
| OTO Melara North America | DC | Washington | OTO Melara North America |
| OTO Melara North America | FL | Atlantic Beach | OTO Melara North America |
| OTO Melara North America | NY | Watervliet | OTO Melara North America |
| SELEX Communications | DC | Washington | SELEX Communications |
| SELEX Communications | VA | Reston | SELEX Communications |
| Sirio Panel Inc. | OH | Troy | SELEX Communications |
| Lasertel | AZ | Tuscon | SELEX Galileo |
| SELEX Galileo Inc. | VA | Arlington | SELEX Galileo |
| SELEX Galileo Inc. | MS | Kiln | SELEX Galileo |
| SELEX Galileo Inc. | AL | Huntsville | SELEX Galileo |
| SELEX Galileo Inc. | GA | Warner Robins | SELEX Galileo |
| SELEX Galileo Inc. | GA | Norcross | SELEX Galileo |
| SELEX Galileo Inc. | FL | Fort Walton Beach | SELEX Galileo |
| SELEX Systems Integration | DC | Washington | SELEX Systems Integration |
| SELEX Systems Integration | KS | Overland Park | SELEX Systems Integration |
| Thales Alenia Space | CA | Cupertino | Thales Alenia Space |
| Thales Alenia Space | CA | Cupertino | Thales Alenia Space |