S.I. Tech, Inc. - Batavia, IL
Manufacturer
ISO 9001:2008 certified manufacturer of standard & custom fiber optic communication equipment & supplies. Products include fiber optic modems, multiplexers, hubs, repeaters, signal distribution systems & fiber optic accessories. Fiber optic modems such as alarm modems, ARCNET modems, audio & video modems, multi-drop modems, protocol converter modems, RS-232 to fiber optic modems & USB to fiber media converters are available. Signal distribution systems include rack mounted cage cards, video transmitter cards, video receiver cards, bit-driver cards, transceiver cards, asynchronous fiber optic cards & twin-axial to fiber optic cards. Fiber optic accessories such as cable assemblies, electronic data cable assemblies, transmitters/receivers, power supplies, adapters, attenuators, connectors, couplers & termination kits are available. UL® & CE listed. Made in the USA.
www.sitech-bitdriver.com/index.htm

Malko Electric - Morton Grove, IL
Service Company
Electrical Contractors For The Commercial Industry. Services Include Design Build, Voltage Systems, Fiber Optics, Security, Fire Alarm & Maintenance.

Fujitsu Network Services - Itasca, IL
Distributor, Manufacturer, Custom Manufacturer, Service Company
A Complete Portfolio Of Operational, Enhanced & Professional Network Services For Local Exchange Carriers, Long Distance Carriers, Competitive Access Providers, Internet Service Providers & Original Equipment Manufacturers In North America & Overseas. Services Include Engineering, Project Management, Network Design, Network Operations, Logistics & Systems Integration, As Well As Installation & Maintenance Of Any Manufacturer's Telecommunications Equipment