Cardxx Inc. manufactures and sells smart cards, key fobs, and other portable devices using Reaction Assisted Molded Process (RAMP). RAMP is used to securely integrate a mini computer, microcircuit, integrated circuit, radio frequency antennae, or a radio frequency identification element into a small form factor smart card or smart tag. The company also produces multi-media cards, secure digital cards, and key chain fobs. Cardxx Inc. is based in Englewood, Colorado.