S I Tech, Inc.
Illinois, USA S I Tech, Inc. manufactures fiber optic communication devices such as modems (media converters), multiplexers, repeaters, hubs, and cable assemblies for LAN, WAN, industrial as well as military applications. More...
www.sitech-bitdriver.com

Smart Access
Florida, USA Smart Access designs and manufacturers both simple and complex microcontroller based access and security systems for commercial establishments and airports. More...
www.smartaccess.com