Catamaran Corporation (Catamaran) is a provider of pharmacy benefit management (PBM) services and healthcare information technology (HCIT) solutions to the healthcare benefit management industry. The Company operates in two segments: PBM and HCIT. The Company offers PBM services, which are marketed under the Catamaran PBM brand, and is engaged in owning and operating a network of mail and specialty pharmacies. In addition, the Company is a national provider of drug benefits to its customers under the federal government’s Medicare Part D program. The Company's HCIT product offerings include a range of software products for managing prescription drug programs and for drug prescribing and dispensing. The Company’s customers include organizations in the pharmaceutical supply chain, such as pharmacy benefit managers, managed care organizations, self-insured employer groups, unions, third-party healthcare plan administrators, and state and federal government entities.