| 2Carmel Mountain Golf Course Partners | GENERAL | | 01/01/2009 | |
| A. R. P. A. America Corporation | GENERAL | | 11/01/2008 | |
| Abalos and Associates PLLC | OUT OF STATE PPO NETWORKS | Arizona Foundation for Medical Care | 12/31/2008 | |
| Academy of Art College | SCHOOL DISTRICTS/COLLEGES | Mega Life | 08/01/2007 | |
| Accelerated Claims Services | WORKERS COMPENSATION | Coventry/AETNA | 04/10/2019 | |
| Accident Fund (Conduent Workers Compensation) | WORKERS COMPENSATION | Coventry/AETNA | 04/10/2019 | |
| Acordia Wells Fargo Disability | WORKERS COMPENSATION | Coventry/AETNA | 07/01/2018 | |
| Acton Agua Dulce Unified School Dist. | WORKERS COMPENSATION | York Risk Mgmt/CareWorks | 04/17/2024 | |
| Adventist Health Employee Health Plan | PPO/EPO | | | |
| Affordable Benefit Administrators | ADMINISTRATION /TPA's | | 07/31/2022 | |
| AIG - American Home Assurance Co. (DLD) | WORKERS COMPENSATION | York Risk Mgmt/CareWorks | 04/17/2024 | |
| AIG Claims Inc FKA Worldsource | WORKERS COMPENSATION | Coventry/AETNA | 04/02/2017 | |
| AIG Claims Inc FKA Worldsource New York NY | WORKERS COMPENSATION | Coventry/AETNA | 03/22/2017 | |
| AIG Claims Inc Hamiliton Sunstrand | WORKERS COMPENSATION | Coventry/AETNA | 04/10/2019 | |
| AIG Claims Inc JC Penneys | WORKERS COMPENSATION | Coventry/AETNA | 04/10/2019 | |