Aetna healthcare provides health, pharmacy, disability, and other lines of insurance.

A great guide to managed care terminology. If you are finding yourself lost in "insurance speak" this is a great tool for getting you into the flow. It is available in print form also.

The behavioral healthcare arm of United Healthcare. Mental health and addiction professionals seeking to contract will want to follow this listing.

According to the website "APS Healthcare, Inc. is a privately-owned company that manages the delivery of behavioral healthcare services, which consist of mental health services and substance abuse treatment. APS Healthcare, Inc. also offers employee assistance programs, which typically provide assessment and referral services to assist employees and their dependents in identifying and addressing, at an early stage, potential mental health and substance abuse problems."

A group that manages provider networks for many MCO's nationwide.

Large national MCO serving behavioral health community. Site provides online application materials and specialty network information.

A PPO that contracts over 350,000 providers (including mental health) and covers over 3.5 million lives according to their website.

VMC is a nationwide provider of Employee Assistance Programs and Behavioral Health Services.

Magellan descibes the organization as the nation’s leading behavioral health disease management and employee assistance company.

A national EAP provider with an online application process.