ADTRAN Holdings, Inc.
Adtran, Inc. is an American fiber networking and telecommunications company headquartered in Huntsville, Alabama. It is a vendor of both residential and enterprise networking equipment, along with administrative software for network management and deployment. Its customers include communications service providers, governments, enterprises and utilities.
Basic company information
Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.
- Business sectors
- telecommunications [1]
- Company / filing name
- ADTRAN Holdings, Inc. [2]
- Headquarters location
- Huntsville [1]
- Founded
- 1985-11 [1]
- Legal form
- Delaware corporation [1]
- Official website
- www.adtran.com ↗ [1]
- ISIN (reported securities)
- US00738A1060 [1]
- CIK
- 926282 [2]
- Country in background record
- United States [1]
- Symbols / exchanges
- ADTN (Nasdaq) [2]
Company positioning and business
Adtran, Inc. is an American fiber networking and telecommunications company headquartered in Huntsville, Alabama. It is a vendor of both residential and enterprise networking equipment, along with administrative software for network management and deployment. Its customers include communications service providers, governments, enterprises and utilities. [3]
Background text: Wikipedia contributors, Adtran. Selected introductory paragraphs, licensed under CC BY-SA 4.0. Official filing data is cited separately.
Financial year, securities and disclosures
Listed securities: ADTN (Nasdaq). Multiple symbols may represent different share classes or securities of the same registrant. [2]
History and key events
Founding / inception date recorded in Wikidata. [1]
Financial results and regulatory disclosures
No individual financial documents have been indexed yet. Open the source to consult company disclosures. [2]
Related entities and concepts
Frequently asked questions
When was ADTRAN Holdings, Inc. founded?
Founded: 1985-11. The linked source provides the background record. [1]
Where is the headquarters of ADTRAN Holdings, Inc.?
Headquarters location: Huntsville. The linked source provides the background record. [1]
Which business sectors are recorded for ADTRAN Holdings, Inc.?
Business sectors: telecommunications. The linked source provides the background record. [1]
Sources and review dates
- Wikidata — company background record (CC0) ↗
- Company identity and profile data ↗
- Wikipedia contributors — Adtran (CC BY-SA 4.0) ↗
Reviewed 23 October 2026. Financial periods and historical event dates are shown separately. Figures reflect their stated source dates; this page is not a live quote or investment recommendation.