PositiveID Corporation, formerly VeriChip Corporation, is engaged in development, marketing, and sale of radio frequency identification (RFID) systems used for the identification and protection of people in the healthcare market. On November 14, 2008, the Company acquired Digital Angel. In March 2009, the Company established a subsidiary, VeriGreen Energy Corporation, to focus and invest in the clean and alternative energy sector. In November 2009, the Company completed its acquisition of Steel Vault Corp.