Find the word definition

Wikipedia
ADTRAN

ADTRAN, Inc. is a provider of telecommunications networking equipment and internetworking products. Its headquarters are in Huntsville, Alabama.

The company is ISO 9001 and TL9000 certified. ADTRAN was a NASDAQ-100 Index stock from 1996 to 1998. It was #85 on BusinessWeek's 100 "Hot Growth Companies" list in 2006.