IntelliCheck Mobilisa will need to see some ID. The company provides handheld electronic card readers and related software for the commercial, government, and military markets. Used to secure military and federal government locations, its Defense ID System can read barcodes, magnetic stripes, optical character recognition (OCR), and radio frequency identification (RFID) codes. Its ID-Check systems are designed to verify the age and identity of customers who swipe a driver's license, military ID, or other magnetically encoded ID card. The company has installed systems in airports, bars, casinos, convenience stores, hotels, and stadiums.