InfuSystem Holdings, Inc. is a provider of infusion pumps and related services. Through its subsidiaries, the Company provides services to hospitals, oncology practices and facilities, and other health care providers. The Company�s core service is to supply electronic ambulatory infusion pumps and associated disposable supply kits to oncology clinics, infusion clinics and hospital outpatient chemotherapy clinics to be utilized in the treatment of cancers including colorectal cancer. The Company provides pumps and related supplies to oncology clinics, obtain an assignment of insurance benefits from the patient, and bill the patient�s insurance company or patient, for the use of the pump and supplies, and collect payment. The Company provides pump management services for the pumps and associated disposable supply kits to approximately 1,800 oncology clinics. The Company sells, rents and leases new and pre-owned pole mounted and ambulatory infusion pumps to oncology practices.