| CONVERIUM INSURANCE(NORTH AMERICA) INC | — | F10425916 | 2005-01-01 | Active | NEW YORK |
| CORE INSURANCE COMPANY | — | F10425924 | 2005-01-01 | Active | NORWALK |
| COREGIS INSURANCE COMPANY | — | F10425940 | 2005-01-01 | Merged | OVERLAND PARK |
| CORPORATE SOLUTIONS LIFE REINSURANCE COMPANY | — | F10426450 | 2005-01-01 | Active | NEW YORK |
| COUNTRY CASUALTY INSURANCE COMPANY | — | F10425965 | 2005-01-01 | Active | BLOOMINGTON |
| COUNTRY INVESTORS LIFE ASSURANCE COMPANY | — | F10445948 | 2005-01-01 | Active | BLOOMINGTON |
| COUNTRY LIFE INSURANCE COMPANY | — | F10445963 | 2005-01-01 | Active | BLOOMINGTON |
| COUNTRY MUTUAL INSURANCE COMPANY | — | F17300468 | 2016-06-07 | Active | BLOOMINGTON |
| COUNTRY PREFERRED INSURANCE COMPANY | — | F10425981 | 2005-01-01 | Active | BLOOMINGTON |
| COUNTRYWAY INSURANCE COMPANY | — | F10426039 | 2005-01-01 | Active | SYRACUSE |
| COUNTY CENTER JOINT VENTURE | — | C19786250 | 2019-07-09 | Merged | QUINCY |
| COURTESY INSURANCE COMPANY | — | F10426054 | 2005-01-01 | Active | DEERFIELD BEACH |
| CROATIAN FRATERNAL UNION OF AMERICA | — | F10414969 | 2005-01-01 | Active | PITTSBURGH |
| CROSS COUNTY MOTOR CLUB, INCORPORATED | — | F10416188 | 2005-01-01 | Active | BOSTON (MEDFORD) |
| CRUM & FORSTER INDEMNITY COMPANY | — | F10430080 | 2005-01-01 | Active | MORRISTOWN |
| CSA FRATERNAL LIFE | — | F10415149 | 2005-01-01 | Active | OAK BROOK |
| CSAA AFFINITY INSURANCE COMPANY | — | F00005348 | 1977-12-27 | Active | |
| CSAA FIRE & CASUALTY INSURANCE COMPANY | — | F10416386 | 2005-01-01 | Active | SAN FRANCISCO |
| CSAA GENERAL INSURANCE COMPANY | — | F10464410 | 2005-01-01 | Active | IRVINE |
| CSAA MID-ATLANTIC INSURANCE COMPANY | — | F10416329 | 2005-01-01 | Active | PHILADELPHIA |
| CSI LIFE INSURANCE COMPANY | — | F10445997 | 2005-01-01 | Active | OMAHA |
| CUMBERLAND CASUALTY & SURETY COMPANY | — | F10430106 | 2005-01-01 | Active | TAMPA |
| CUMBERLAND INSURANCE COMPANY, INC | — | F10430114 | 2005-01-01 | Active | BRIDGETON |
| CUNA MUTUAL LIFE INSURANCE COMPANY | — | F10446003 | 2005-01-01 | Active | WAVERLY |
| CX REINSURANCE COMPANY LIMITED | — | F10416014 | 2005-01-01 | Active | LONDON |
| DAILY UNDERWRITERS OF AMERICA | — | F10430122 | 2005-01-01 | Active | CARLISLE |
| DAIRYLAND INSURANCE COMPANY | — | F10430130 | 2005-01-01 | Active | STEVENS POINT |
| DAR LIFE INSURANCE COMPANY, INC | — | F10415701 | 2005-01-01 | Active | PHOENIX |
| DARWIN NATIONAL ASSURANCE COMPANY | — | F10430171 | 2005-01-01 | Active | FARMNGTON |
| DEALERS ASSURANCE COMPANY | — | F10430213 | 2005-01-01 | Active | COLUMBUS |
| DEERBROOK INSURANCE COMPANY | — | F10428225 | 2005-01-01 | Active | NORTHBROOK |
| DEERFIELD INSURANCE COMPANY | — | F10430452 | 2005-01-01 | Merged | Deerfield |
| DELAWARE AMERICAN LIFE INSURANCE COMPANY | — | F10446144 | 2005-01-01 | Active | WILMINGTON |
| DELAWARE LIFE INSURANCE COMPANY | — | F10482719 | 2005-01-01 | Active | WELLESLEY HILLS |
| DELTA DENTAL INSURANCE COMPANY | — | F10446169 | 2005-01-01 | Active | SAN FRANCISCO |
| DELTA DENTAL OF PENNSYLVANIA | — | F10414829 | 2005-01-01 | Active | CAMP HILL |
| DENTEGRA INSURANCE COMPANY | — | F10446193 | 2005-01-01 | Active | SAN FRANCISCO |
| DESTINY HEALTH INSURANCE COMPANY | — | F10416071 | 2005-01-01 | Active | OAK BROOK |
| DEVELOPERS SURETY AND INDEMNITY COMPANY | — | F10430494 | 2005-01-01 | Active | IRVINE |
| DIAMOND STATE INSURANCE COMPANY | — | F10432284 | 2005-01-01 | Active | BALA CYNWYD |
| DIRECT GENERAL LIFE INSURANCE COMPANY | — | F10446201 | 2005-01-01 | Active | NASHVILLE |
| DISCOVER PROPERTY & CASUALTY INSURANCE COMPANY | — | F10432318 | 2005-01-01 | Active | ST. PAUL |
| DISCOVER REINSURANCE COMPANY | — | F10416105 | 2005-01-01 | Active | FARMINGTON |
| DISCOVER SPECIALTY INSURANCE COMPANY | — | F10425163 | 2005-01-01 | Active | ST. PAUL |
| DONEGAL MUTUAL INSURANCE COMPANY | — | F10432581 | 2005-01-01 | Active | MARIETTA |
| DORINCO REINSURANCE COMPANY | — | F10416402 | 2005-01-01 | Active | MIDLAND |
| EASTERN ADVANTAGE ASSURANCE COMPANY | — | F13179973 | 2009-08-11 | Active | LANCASTER |
| EASTERN ALLIANCE INSURANCE COMPANY | — | F10432615 | 2005-01-01 | Active | LANCASTER |
| EASTERN ATLANTIC INSURANCE COMPANY | — | F10432730 | 2005-01-01 | Active | HARRISBURG |
| EASTGUARD INSURANCE COMPANY | — | F10432748 | 2005-01-01 | Active | WILKES-BARRE |