Isonics Corporation is focused on the provision of homeland security services and 300-millimeter (and smaller diameter) test wafers and reclamation services, wafer thinning and custom wafer products and services for the silicon industry. It conducts its operations through subsidiaries, including Isonics Vancouver, Inc. (IVI), which operates its silicon operations in Vancouver, Washington; Isonics Homeland Security and Defense Corporation (HSDC), which coordinates its remaining efforts in the homeland security market, and Protection Plus Security Corporation (PPSC), a provider of advanced security and investigative services for businesses and institutions. In June 2007, the Company sold its life sciences business, which supplied isotopes for life sciences and health-care applications. In January 2008, the Company sold its 30% interest in Institute fur Umwelttechnologien GmbH (IUT).