TSBE Telematikschule Bern TS http://www.tsbe.ch

CBL Communication by Light GmbH http://www.cbl.de

Optical Access http://www.opticalaccess.com

Terabeam http://www.terabeam.com

FSona Optical Wireless http://www.fsona.com

Canon http://www.usa.canon.com

Lightpointe http://www.lightpointe.com

GOc http://www.goc.de

AirFiber http://www.airfiber.com

Optel http://www.optel.com