PositiveID
 PositiveID develops and markets healthcare and information-management products through RFID-based diagnostic devices and identification technologies and proprietary disease-management tools.Acquisitions by PositiveID Corporation include EXI Wireless and Instantel which were combined and renamed Xmark and later sold to the Stanley Works Steel Vault Corporation and Easy Check Medical Diagnostics LLC.Corporate offices are located in Delray Beach Florida and Kanata Ontario (Instantel).