- Aetna
 
                                    - AIG
 
                                    - American Modern Insurance Group
 
                                    - AmeriHealth
 
                                    - Avesis
 
                                    - Block Vision
 
                                    - Chubb
 
                                    - Cigna
 
                                    - Classic Auto
 
                                    - CNA
 
                                    - Crum & Forster
 
                                    - Cumberland
 
                                    - Delta Dental
 
                                    - Empire BC/BS
 
                                    - Encompass
 
                                    - Fireman's Fund
 
                                    - GNY
 
                                    - Great American
 
                                    - Guard
 
                                    - Hagerty
 
                                    - Hanover
 
                                    - Hartford
 
                                    - Hartford Steam Boiler
 
                                    - HealthNet
 
                                    - Horizon BC/BS
 
                                    - Independence BC
 
                                    - Kingstone
 
                                    - Mercer
 
                                    - National General
 
                                    - Nationwide
 
                                    - NJ Skylands
 
                                    - One Beacon
 
                                    - Oscar
 
                                    - Oxford Health
 
                                    - Peerless
 
                                    - Philadelphia
 
                                    - Progressive
 
                                    - Security Mut.
 
                                    - Selective
 
                                    - The Standard
 
                                    - Travelers
 
                                    - United Fire Group
 
                                    - United Healthcare
 
                                    - USLI
 
                                    - Utica National Insurance Group
 
                                    - VSP
 
                                    - XL Catlin
 
                                    - XL Group
 
                                    - Zurich