Associations

DirectIndustry.com - Virtual Industrial Exhibition
http://www.directindustry.com/cat/computing-software-and-communications-H.html

IEEE
http://ieee.org/portal/site

Telecommunications Industry Association (TIA)
http://www.tiaonline.org/index.cfm

General

PennWell
http://www.pennwell.com

Publications

Laser Focus World
http://laserfocusworld.com