Asianlife and General Assurance Corporation

Avega Managed Care, Inc.

AXA General Health Assurance

Beneficial Life Insurance Company, Inc. (Benlife)

CareHealth Plus Systems International, Inc.

Caritas Health Shield, Inc.

Cigna International Health Service

Cocolife Healthcare

Eastwest Healthcare

Flexicare

Fortune Care, Inc.

Health Maintenance, Inc.

Health Plan Philippines, Inc.

IMS Wellthcare, Inc.

Insular Health Care

Intellicare Asalus Corporation

Kaiser International Health Group

Life and Health HMP, Incorporated

Maxicare Healthcare Corporation

Medicard Philippines, Inc.

Medicare Plus, Inc.

Medocare Health Systems, Inc.

Metrocare Health System, Inc.

Net Care Life and Health Insurance

Optimum Healthcare, Inc.

Pacific Cross Philippines (formerly Blue Cross)

Philhealthcare, Inc.

SelectCare Health Plans

Stay Well Insurance

TakeCare Insurance

United Healthcare International

ValuCare Health Systems, Inc.

Assicurazioni Generali S.p.A.