Digi-Key Corporation
www.digikey.com

We suggest Digi-Key for things such as relays, circuit protection devices and wiring supplies. They are also our primary vendor for production components for our PCB's. Outstanding service, good pricing and the best online catalog in existance anywhere.

Eoff Electric Supply
www.eoff.com

Eoff is a NorthWest based electrical supply company. They typically service electrical contractors and OEM manufacturing markets. They are one of our secondary vendors for some specific components.

Front Panel Express
www.frontpanelexpress.com

This is an outstanding place to get custom, "one-off" faceplates and panels for OEM looking installs. You must design your panel in their software (free download), but it's easy to use and will even quote your panel from the CAD program.