| L3HARRIS FUZING AND ORDNANCE SYSTEMS, INC.Melbourne, FL · Active | Melbourne, FL | Corporation | Apr 7, 2021 | Active |
| L3HARRIS GLOBAL COMMUNICATIONS, INC.Melbourne, FL · Active | Melbourne, FL | Corporation | Feb 6, 2019 | Active |
| L3HARRIS FOUNDATION, INC.Melbourne, FL · Active | Melbourne, FL | Nonprofit | Jun 27, 2018 | Active |
| L3HARRIS TECHNOLOGIES AIS GP CORPORATIONMelbourne, FL · Active | Melbourne, FL | Corporation | Jun 5, 2015 | Active |
| L3HARRIS MARITIME SERVICES, INC.Melbourne, FL · Active | Melbourne, FL | Corporation | Jan 30, 2012 | Active |
| L3HARRIS MISSION CRITICAL SERVICES, LLCMelbourne, FL · Active | Melbourne, FL | LLC | Oct 25, 2011 | Active |
| L3HARRIS TECHNOLOGIES INTEGRATED SYSTEMS L.P.Melbourne, FL · Active | Melbourne, FL | Partnership | Jun 9, 2011 | Active |
| PRO FLIGHT LEASING LLCMelbourne, FL · Active | Melbourne, FL | LLC | Mar 9, 2010 | Active |
| BARNSHINE LLCOrlando, FL · Inactive | Orlando, FL | LLC | Jan 6, 2025 | Inactive |
| MAKOLLORIS USA CORPOrlando, FL · Inactive | Orlando, FL | Corporation | Feb 27, 2024 | Inactive |
| ORION EMPREENDIMENTOS LLCOrlando, FL · Active | Orlando, FL | LLC | Jul 31, 2014 | Active |
| ITT POWER SOLUTIONS, INC.Albany, NY · Active | Albany, NY | Corporation | Mar 22, 2013 | Active |
| VIEWBRIDGE, INC.Albany, NY · Active | Albany, NY | Corporation | Sep 28, 1999 | Active |
| L3Harris Technologies, Inc.Location not reported, AK · Good Standing | Location not reported, AK | Corporation | Aug 11, 2000 | Good Standing |
| L3Harris Technologies, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Sep 27, 1983 | Good Standing |
| EXIGENT SOFTWARE TECHNOLOGY, INC., Colorado Authority Terminated November 5, 2002Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Aug 2, 1985 | Withdrawn |
| Harris Software Systems, Inc., Delinquent August 1, 2008, Colorado Authority Relinquished February 3, 2011Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Feb 8, 1995 | Withdrawn |
| Excelis FSC Management Corporation, Colorado Authority Relinquished January 25, 2016Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Sep 29, 1995 | Withdrawn |
| Excelis FSC Investment Corporation, Colorado Authority Relinquished January 25, 2016Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Sep 29, 1995 | Withdrawn |
| L3 Technologies, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Apr 28, 1997 | Good Standing |
| IMPACT SCIENCE & TECHNOLOGY, INC., Colorado Authority Relinquished June 20, 2019Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Dec 18, 2000 | Withdrawn |
| HARRIS-EXIGENT, INC., Colorado Authority Relinquished March 9, 2006Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Jan 8, 2001 | Withdrawn |
| HARRIS TECHNICAL SERVICES CORPORATION, Colorado Authority Terminated July 1, 2002Location not reported, CO · Revoked | Location not reported, CO | Corporation | Jan 12, 2001 | Revoked |
| EXELIS INC., Colorado Authority Relinquished January 25, 2016Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Sep 6, 2011 | Withdrawn |
| L3Harris Applied Technologies, Inc.Location not reported, CO · Delinquent | Location not reported, CO | Corporation | Jan 30, 2012 | Delinquent |
| L3 Electron Devices, Inc., Delinquent April 1, 2023Location not reported, CO · Delinquent | Location not reported, CO | Corporation | Feb 22, 2017 | Delinquent |
| L3Harris Cincinnati Electronics CorporationLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Oct 2, 2018 | Good Standing |
| L3HARRIS GLOBAL COMMUNICATIONS, INC.Location not reported, CO · Good Standing | Location not reported, CO | Other | Dec 20, 2019 | Good Standing |
| WESCAM USA, INC.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Jul 7, 2022 | Good Standing |
| L3HARRIS TECHNOLOGIES, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jun 19, 1961 | Active |
| INTRAPLEX, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Mar 4, 1998 | Withdrawn |
| EDO PROFESSIONAL SERVICES INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Mar 22, 2004 | Withdrawn |
| EXELIS INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Sep 7, 2011 | Withdrawn |
| L3HARRIS MARITIME SERVICES, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Feb 21, 2012 | Active |
| L3HARRIS FUZING AND ORDNANCE SYSTEMS, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jul 11, 2022 | Active |
| L3HARRIS TECHNOLOGIES, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Mar 2, 1976 | Active |
| L3 TECHNOLOGIES, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Oct 8, 2020 | Active |
| L3HARRIS TECHNOLOGIES, INC.Melbourne, FL · Active | Melbourne, FL | Corporation | Nov 2, 1971 | Active |
| HARRIS DATA COMMUNICATIONS, INC.Melbourne, FL · Inactive | Melbourne, FL | Corporation | Jul 25, 1975 | Inactive |
| HARRIS INTERNATIONAL TELECOMMUNICATIONS, INC.Melbourne, FL · Inactive | Melbourne, FL | Corporation | Nov 24, 1975 | Inactive |
| LANIER BUSINESS PRODUCTS, INC.Melbourne, FL · Inactive | Melbourne, FL | Corporation | May 28, 1976 | Inactive |
| HARRIS CUSTOMER SUPPORT DIVISION, INC.Melbourne, FL · Inactive | Melbourne, FL | Corporation | Jul 12, 1982 | Inactive |
| L3HARRIS EDO WESTERN CORPORATIONMelbourne, FL · Inactive | Melbourne, FL | Corporation | Dec 17, 2019 | Inactive |
| HARRIS PUBLISHING SYSTEMS CORPORATIONMelbourne, FL · Inactive | Melbourne, FL | Corporation | Jan 20, 1995 | Inactive |
| L3 DOSS AVIATION, INC.Melbourne, FL · Inactive | Melbourne, FL | Corporation | Dec 24, 1996 | Inactive |
| L3 TECHNOLOGIES, INC.Melbourne, FL · Active | Melbourne, FL | Corporation | Apr 28, 1997 | Active |
| L3HARRIS INTERSTATE ELECTRONICS CORPORATIONMelbourne, FL · Active | Melbourne, FL | Corporation | Feb 26, 1999 | Active |
| EXIGENT SOLUTIONS GROUP, INC.Melbourne, FL · Inactive | Melbourne, FL | Corporation | Dec 17, 1999 | Inactive |
| WIRELESS ENGINEERING CORP.Orlando, FL · Inactive | Orlando, FL | Corporation | Mar 23, 1984 | Inactive |
| ITRAVELINK.COM, LLCFort Nyers, FL · Inactive | Fort Nyers, FL | LLC | Apr 1, 2002 | Inactive |