There are plenty of sites on the web about PCB design, manufacture, application, reliability and companies.

Here is a list of some of the ones we think are more interesting and maybe useful to the regular user. This list is by no means comprehensive but do give a good introduction:

The Electronic Industries Alliance provides deep introduction to the trade groups associated with this industry, standards, committees, tradeshows, conferences and educational opportunities

The Consumer Electronics is a trade group that educates and provides information on the electronic industry. Good place to look for trends and new applications in the market.

Ansys provides software for PCB design, in addition to physical, electrical, mechanical simulation packages.

Vutrax is a company that provides PCB manufacture, outsorcing and marketing research. IT's based in the United Kingdom.

A smart introduction to PCB

Another good source to immerse in the world of PCB technology and industry

News of the electronic sector

Bisco Industries, Inc.

Bisco Industries is an International Distributor
of electronic components, PCBs and other components for the electronics industry

ELTEK Ltd.
Printed circuit board manufacture of high end products for quality and service sensitive markets such as defense, aerospace, telecom, medical and industrial equipment.

EverythingPCB
EverythingPCB.com is a Printed Circuit Industry service, product and resource guide listing everything from software to manufactures to assembly services and everything in-between.

Nationwide Circuits, Inc.
Provider of ridged, Flex and Multilayer Printed Circuits.

TLC PCB Design Service LLC
Provider of quick turnaround design and prototyping services.

http://www.pcbmilling.com/

http://www.4pcb.com/

http://www.pcbspecialist.com/