eBay: Electronic Parts
Find Electronic Components, Microprocessor and Capacitor items on eBay. Browse a huge selection of LED and Passive Compoents and find exactly what you want now. Find IT on eBay.
http://listings.ebay.com/lp/listings/list/all/category4659/index.html?sspagename=lp4659

Advanced Metal Services Group
Advanced Metal Services Group - the leader in precision sheet metal parts, swaging, aerospace machining, electronic enclosures, aerospace tubular products, machined fuel cell fittings, electronic chassis, control rods, precision machined parts, electronic cabinets, swaged tubes and cnc manufacturing
http://www.advmetservgrp.com/

Electronic Material Industries Inc.
Independent Stocking Distributor of Military & Industrial & Commerical Electronic Component Spare Parts
http://www.militarycomponents.com

Electronic Network
Access Star cable manufacturer offers cable assembly, led product, fiber optic cable, switch & jumper wire cable, USB cable, LAN cable, HDMI cable, 1394 cable, custom cable
http://www.electronic.com.tw/

Kwik-Parts
Kwik-Parts.com offers parts from Acer, OKI, Unitrode and hundreds of OCMs. It's easy to get price quotes and place orders with our multi-lingual sales staff. Kwik-Parts.com is owned by USBid, an industry leader in IC and semiconductor sourcing with an unprecedented attention to detail and customer service. ISO9001:2000 Certified so you know you are getting quality parts and excellent service.
http://www.kwik-parts.com/

RPC Electronics
RPC Electronics provides electronic components materials management services, full turnkey circuit board assembly including prototypes, and  mechanical assembly including cable assemblies.
http://www.rpcelectronics.com

NASA Parts Selection List
Provides catalogs and specifications for electrical, electronic, and electromechanical (EEE) parts to use in space systems.
http://nepp.nasa.gov/npsl/

Embedded Cookbook
Community for electronic developers. Tools to share information, forums and list of available datasheets. Search and browse for electronic parts.
http://embeddedcookbook.com/

EngPlanet Electronic Design Engineer Reference
Reference for electronic engineers which contains many engineering links. Help finding components, electronic parts, circuits, schematics and technical information.
http://www.engplanet.com/

Evernew Development Ltd
Manufacturers of plastic products including computer parts, household appliances, electronic products, electronic and electrical components.
http://www.evernewhk.com.hk/