Everything PCB
This site is very complete and has tons and tons of information and links to basically everything that is related to PCB (like the name says)
PCB 007
Realtime Online PCB Magazine - Realtime Online Design Magazine, They have plenty of information and newsletters.
Base 2 Electronics
Base2 is a company focused on designing and building tools, kits and ideas to change the future of how engineering students learn. Our goal is to inspire the inner tinkerer in everyone.
Base2 Operates out of an office in Tulsa, Oklahoma and has developed several kits and devices for the University of Tulsa's electrical engineering department.
Ohmega
Looking for information about planar resistors, buried resistors, integral resistors, or embedded resistors then this is one of the place you need to check out.



















