If you are looking for a printed circuit board manufacturer there are several categories that should be of interest to you. Then I separated them into  categories.  (I have searched all over, to try and create the most extensive list of PCB manufactures around.  As I find more manufacturers I will add them to the list.)

Proto Type Manufacturers: Specialize in the making small quantities (say less than 25 pieces) of circuit boards normally used to evaluate a design before the mass production that involves very large quantities.

Production Manufacturers: Specialize in the making of large quantities of boards

Service Bureaus: These guys can help you get your board built without you being involved. This can be a great asset if you are extremely busy

If you know of a manufacturer that is not listed please send me an email at: support @ pcbinfomation.com