For 31 years, the Purchaser Business Group on Health (PBGH) has helped the country's largest and most progressive employers/purchasers improve the quality of health care they offer and moderate health care cost increases. PBGH serves as a voice for large employers and purchasers, leveraging the clout of its member companies that collectively spend over $350 billion annually on health care services and provide coverage to 21 million Americans and their dependents.