| INSURANCE LIST S | INSURANCE LIST T | INSURANCE LIST U |
| San Diego City Schools Fringe Ben | Teachers Health Trust | UFCW Local 711 |
| San Francisco Printing Industry Welfare | Teamsters & Food Employees 102 | UICI Administrators |
| SCP | Teamsters Local 14 | Ulicare Plus |
| Seabury & Smith Inc. | Teamsters Security Trusts Fund 102 | Unicare |
| Secure Horizons | Teamsters Union | Unicare Life & Health Ins Co |
| Self Insured Schools of Ca | The Foeirn Service Benefit Plan | Union Labor Life Insurance |
| Senior Dimension | The Loomis Company | United American |
| Senior Shield | The MEGA Life & Health Ins. Co. | United Food & Commercial Workers |
| Sheet Metal Works | Tower Life Insurance Company | United Health Care |
| SHO, Repricing | Town of Pahrump | United Teaches Associates Ins |
| Sierra Choice POS Plan | Travelers | Unitedhealthcare RR |
| Sierra Health-Care Options | Travelers - CL Alternative Markets | Universal Health Network |
| SIIS | Travelers Insurance | US Military |
| SouthWest Administrators | Tricare for Life | USAA Casualty Insurance Company |
| St. Mary's Preferred Healthcare | Tricare Prime | USI Administrators |
| Standard Life & Accident Ins. | Tricare Standard | Utah Pipe Trades |
| Star/Mediprep | TriWest | |
| State Farm Health Insurance | ||
| State Farm Insurance | ||
| State Industrial Insurance | ||
| State of California | ||
| State of Nevada - Self Funded | ||