The information in this Annual Report on Form 10-K includes the financial position as of December 31, 2012 and 2011 and results of operations, cash flows and stockholders’ equity for the years ended December 31, 2012 and 2011 of InfuSystem Holdings, Inc. and its consolidated subsidiaries (the “Company”). In the opinion of the Company, the consolidated statements for all periods presented include all adjustments necessary for a fair presentation of the financial statements.

The accompanying consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”).

The Company is a leading provider of infusion pumps and related services in the United States. The Company services hospitals, oncology clinics and other alternate site health care providers. Headquartered in Madison Heights, Michigan, the Company delivers local, field-based customer support, and also operates pump repair Centers of Excellence in Michigan, Kansas, California, and Ontario, Canada.

The Company supplies electronic ambulatory infusion pumps and associated disposable supply kits to oncology clinics, infusion clinics and hospital outpatient chemotherapy clinics. These pumps and supplies are utilized primarily by colorectal cancer patients who receive a standard of care treatment that utilizes continuous chemotherapy infusions delivered via electronic ambulatory infusion pumps. The Company obtains an assignment of insurance benefits from the patient, bills the insurance company or patient accordingly, and collects payment. The Company provides pump management services for the pumps and associated disposable supply kits to approximately 1,600 oncology clinics in the United States. The Company retains title to the pumps during this process.

In addition, the Company sells or rents new and pre-owned pole mounted and ambulatory infusion pumps to, and provides biomedical recertification, maintenance and repair services for oncology practices as well as other alternate site settings including home care and home infusion providers, skilled nursing facilities, pain centers and others. The Company also provides these products and services to customers in the small-hospital market.

The Company purchases new and pre-owned pole mounted and ambulatory infusion pumps from a variety of sources on a non-exclusive basis. The Company repairs, refurbishes and provides biomedical certification for the devices as needed. The pumps are then available for sale, rental or to be used within the Company’s ambulatory infusion pump management service.