Aetna, Active Care, American HealthCare Group, AmeriHealth, Argosy, Beech, ChoiceCare/Humana,  CIGNA Health Care, CompAmerica/EOS, CompServices, CorVel CorCare, Devon Health Services, Dept. of Labor, First Health, FOCUS, Gateway, Great West, Health America, Health Insurance, Highmark, InterGroup, Integrated Health Plan, Managed Medical Assurance, Multiplan, Ohio BWC, Physicians Health Serciecs, Preferred Provider Network, Premier Comp Solutions, Prime Health, Private Health Care Systems, Procura, SelectCare Access, SmartComp, Tricare, Unison, United Healthcare/CAN/OptumHealth, Universal SmartComp, and USA MCO