ADTRAN Holdings

ADTRAN Holdings, Inc. designs and manufactures networking and communications equipment used by telecom service providers, cable operators, enterprises, governments, and utilities. Its product lines cover optical networking, broadband access, cloud interconnect, and network management software. The company was formed in 2021 when Adtran combined with Germany's ADVA Optical Networking, adding end-to-end data transport and timing/synchronization products through ADVA's subsidiary Oscilloquartz.