| L3Harris MAS Inc | 100 | | - | |
| L3Harris Pension Master Trust | - | | | |
| L-3 COMMUNICATIONS HOLDING GMBH | - | | - | |
| L3HARRIS TECHNOLOGIES INTEGRATED SYSTEMS L.P. | - | | - | |
| L3Harris Technologies Canada Inc. | - | | | |
| L-3 Communications Canada Inc. - Master Trust | - | | - | |
| Wescam Inc. | - | | - | |
| LEIDOS SINGAPORE PTE. LTD | - | | - | |
| L3HARRIS TRL ELECTRONICS LIMITED | - | | - | |
| L-3 COMMUNICATIONS KOREA CORPORATION | - | | - | |
| L3 CTS AIRLINE ACADEMY (NZ) LIMITED | - | | - | |
| L3Harris MAPPS INC. | - | | - | |
| HARRIS CANADA SYSTEMS, INC. | - | | - | |
| L3Harris MAS Inc. | - | | | |
| Aerojet Rocketdyne, Inc. | 100 | | - | |
| L3 MAPPS LIMITED | - | | - | |
| L3Harris MAS Inc. | - | | | |
| L3Harris Technologies Europe sp. z.o.o. | - | | - | |
| L3Harris Integrated Mission Systems Australia Pty Ltd | 100 | | - | |
| L3HARRIS MICREO PTY. LIMITED | - | | - | |
| LEIDOS SECURITY DETECTION & AUTOMATION, INC. | - | | - | |
| L3Harris Aerosim Academy, Inc. | - | | - | |
| L3 TECHNOLOGIES, INC. | 100 | | - | |
| L3HARRIS MARITIME & AERO PRIVATE LIMITED | - | | - | |
| CALZONI S.R.L. | - | | - | |
| HARRIS COMMUNICATIONS SYSTEMS INDIA PRIVATE LIMITED | - | | - | |
| L-3 COMMUNICATIONS AUSTRALIA PTY LTD | - | | - | |
| L3HARRIS AUSTRALIA FINANCE PTY LTD | - | | - | |
