Healthcare Services companies are those companies that engage directly in the provision care, including facilities-based care providers, home-based care providers, or are responsible for the payment of care, like HMOs.

Clinical Products companies as those that engage primarily in the marketing, manufacturing and development of commercially approved products used for diagnostic or therapeutic purposes.

Outsourcing / Infrastructure companies are those organizations that provide high value services to one of three groups: providers of care, payers or pharmaceutical manufacturers.