| URBAN DIVERSIFIED PROPERTIES, INC.Hartford, CT · Dissolved | Hartford, CT | Corporation | Sep 16, 1980 | Dissolved |
| AEGEN INTERNATIONAL, INC.Hartford, CT · Dissolved | Hartford, CT | Corporation | May 7, 1981 | Dissolved |
| FARMINGTON MANAGEMENT, INC.Hartford, CT · Dissolved | Hartford, CT | Corporation | May 19, 1986 | Dissolved |
| TRAVELERS CAPITAL FUNDING CORPORATIONHartford, CT · Dissolved | Hartford, CT | Corporation | Nov 30, 1988 | Dissolved |
| TRAVELERS PROPERTY CASUALTY CORP.Hartford, CT · Active | Hartford, CT | Corporation | Apr 13, 1976 | Active |
| TENNIS CORPORATION OF AMERICAHartford, CT · Withdrawn | Hartford, CT | Corporation | Jun 21, 1994 | Withdrawn |
| TRAVELERS BOND INVESTMENTS, INC.Hartford, CT · Dissolved | Hartford, CT | Corporation | Oct 27, 1995 | Dissolved |
| TRAVELERS INSURANCE GROUP HOLDINGS INC.Hartford, CT · Active | Hartford, CT | Corporation | Mar 26, 1996 | Active |
| TRAVELERS/NET PLUS, INC.Hartford, CT · Merged | Hartford, CT | Corporation | Feb 13, 1996 | Merged |
| TRAVELERS DISTRIBUTION ALLIANCE, INC.Hartford, CT · Active | Hartford, CT | Corporation | Mar 3, 1997 | Active |
| CONSTITUTION STATE SERVICES LLCHartford, CT · Active | Hartford, CT | LLC | Apr 6, 1998 | Active |
| TIMCO ALPHA I, LLCHartford, CT · Forfeited | Hartford, CT | LLC | Nov 24, 1998 | Forfeited |
| TIMCO ALPHA I MANAGEMENT, LLCHartford, CT · Forfeited | Hartford, CT | LLC | Nov 24, 1998 | Forfeited |
| TPC INVESTMENTS, INC.Hartford, CT · Active | Hartford, CT | Corporation | Dec 9, 1998 | Active |
| TRAVELERS ALTERNATIVE STRATEGIES INC.Hartford, CT · Dissolved | Hartford, CT | Corporation | Dec 9, 1998 | Dissolved |
| TCS EUROPEAN INVESTMENTS INC.Hartford, CT · Merged | Hartford, CT | Corporation | Jun 4, 1999 | Merged |
| NETPLUS, LLCHartford, CT · Dissolved | Hartford, CT | LLC | Nov 30, 1999 | Dissolved |
| TCSC RE INVESTMENTS INC.Hartford, CT · Dissolved | Hartford, CT | Corporation | Feb 17, 2000 | Dissolved |
| TINDY RE INVESTMENTS INC.Hartford, CT · Merged | Hartford, CT | Corporation | Feb 17, 2000 | Merged |
| TRAVELERS ASSET MANAGEMENT INTERNATIONAL COMPANY LLCHartford, CT · Revoked | Hartford, CT | LLC | Mar 2, 2000 | Revoked |
| TRAVELERS INDEMNITY U.K. INVESTMENTS LLCHartford, CT · Active | Hartford, CT | LLC | Mar 28, 2000 | Active |
| ARCH STREET NORTH LLCHartford, CT · Active | Hartford, CT | LLC | Oct 2, 2000 | Active |
| TRAVELERS CONNECTICUT FOUNDATION INC.Hartford, CT · Dissolved | Hartford, CT | Corporation | Mar 20, 2003 | Dissolved |
| TRAVELERS PC FUND INVESTMENTS, INC.Hartford, CT · Merged | Hartford, CT | Corporation | Sep 30, 2003 | Merged |
| TRAVELERS CHORAL CLUB, INC.Hartford, CT · Active | Hartford, CT | Corporation | Jan 8, 2007 | Active |
| TRAVELERS MARINE, LLCHartford, CT · Active | Hartford, CT | LLC | Jun 20, 2011 | Active |
| TRAVELERS SPECIALTY INSURANCE COMPANYHartford, CT · Active | Hartford, CT | Other | Nov 26, 2013 | Active |
| Travelers Group Captive Insurance CompanyHartford, CT · Active | Hartford, CT | Other | May 31, 2023 | Active |
| The Travelers Employees Club of Hartford Inc.Hartford, CT · Active | Hartford, CT | Corporation | Oct 15, 2025 | Active |
| TRAVELERS DISTRIBUTION ALLIANCE, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Mar 20, 1997 | Active |
| CONSTITUTION STATE SERVICES LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Apr 8, 1998 | Active |
| TRAVELERS CASUALTY AND SURETY COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Oct 7, 1910 | Active |
| THE TRAVELERS INDEMNITY COMPANY OF CONNECTICUTLocation not reported, FL · Active | Location not reported, FL | Corporation | Apr 15, 1913 | Active |
| THE STANDARD FIRE INSURANCE COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Oct 16, 1913 | Active |
| THE PHOENIX INSURANCE COMPANY.Location not reported, FL · Active | Location not reported, FL | Corporation | Jan 29, 1914 | Active |
| THE TRAVELERS INDEMNITY COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Nov 23, 1921 | Active |
| ST. PAUL MERCURY INSURANCE COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | May 13, 1925 | Active |
| UNITED STATES FIDELITY AND GUARANTY COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Nov 8, 1929 | Active |
| ST. PAUL PROTECTIVE INSURANCE COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Oct 18, 1938 | Active |
| SEABOARD SURETY COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 10, 1939 | Inactive |
| ST. PAUL FIRE AND MARINE INSURANCE COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Dec 12, 1939 | Active |
| THE CHARTER OAK FIRE INSURANCE COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Oct 26, 1940 | Active |
| GULF INSURANCE COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Sep 25, 1944 | Inactive |
| THE TRAVELERS INDEMNITY COMPANY OF AMERICALocation not reported, FL · Active | Location not reported, FL | Corporation | Oct 13, 1950 | Active |
| NORTHLAND CASUALTY COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Oct 3, 1959 | Active |
| NORTHLAND INSURANCE COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | Jun 24, 1960 | Active |
| THE PROSPECT COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 2, 1970 | Inactive |
| THE AUTOMOBILE INSURANCE COMPANY OF HARTFORD, CONNECTICUTLocation not reported, FL · Active | Location not reported, FL | Corporation | Dec 3, 1971 | Active |
| ST. PAUL GUARDIAN INSURANCE COMPANYLocation not reported, FL · Active | Location not reported, FL | Corporation | May 18, 1972 | Active |
| AXIA SERVICES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 4, 1973 | Inactive |