Members include Aetna, America’s Health Insurance Plans, AultCare, the BlueCross BlueShield Association, Blue Cross Blue Shield of Michigan, BlueCross BlueShield of North Carolina, BlueCross BlueShield of Tennessee, CareFirst BlueCross BlueShield, Cigna, Health Net, Horizon Blue Cross Blue Shield of New Jersey, Kaiser Permanente, UnitedHealth Group and WellPoint.