We've got distributors across the US and Canada, as well as online.
We've got an interactive map to help you find a lighting rep near you.
Do you need to figure out where your order is? Click here to find out.
Since 1969, Functional Devices, Inc. has been designing and manufacturing quality electronic devices in the United States of America. Our goal is to provide our customers with reliable and economic products along with world-class support from our sales and engineering experts.
Learn more about Functional Devices' history and people.
Browse our catalog of building automation and lighting controls devices.
Need help? We offer documentation, downloads, and live technical support.
Functional Devices, Inc. has recently released a new product to add to our ever-expanding line. Learn about it here, in a brand new Tech Tuesday!... Read More
Breaking news from FDI!... Read More
You've heard us talk a lot about our top quality, American made RIB® Relays, but where can you buy them? Find out in this week's Tech Tuesday!... Read More
Learn the secret of what RIB really stands for!... Read More
Find yourself in an innovative and collaborative work place with a contemporary facility at Functional Devices, Inc. Our inclusive, family-l... View Job
Looking for a manufacturing job in the central Indiana area? Come be part of our Production Team! Functional Devices manufactures electronic... View Job
