S.I. Tech, Inc. - Batavia, IL
Manufacturer
ISO 9001:2008 certified manufacturer of standard & custom Ethernet® networking accessories. Products include fiber optic modems, multiplexers, hubs, repeaters & 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. Fiber optic accessories include cable assemblies, electronic data cable assemblies, transmitters/receivers, power supplies, adapters, attenuators, connectors, couplers & termination kits. UL® & CE listed.
www.sitechfiber.com/products/product.htm

B & B Electronics Manufacturing Co. - Ottawa, IL
Distributor, Manufacturer, Custom Manufacturer
Custom manufacturer & distributor of ethernet networking accessories. Ethernet networking accessories include managed & unmanaged switches, media converters, hubs, extenders, surge protectors & cables.
Brand Names: Amp-Trap, Cutler-Hammer, Digi, Ferraz Shawmut, Maple, Ultraline, Yagi