| WTM | White Mountains Insurance Group |
| PRA | ProAssurance |
| HMN | Horace Mann Educators |
| MKL | Markel |
| ALL | Allstate |
| PGR | Progressive |
| KMPR | Kemper Corporation 5.875% Fixed |
| WRB | W. R. Berkley |
| CB | Chubb |
| TRV | Travelers Companies |
| CNA | CNA Financial |
| SIGI | Selective Insurance Group |