AMPHENOL CORP /DE/
Amphenol Corporation, headquartered in Wallingford, Connecticut, is one of the largest designers, manufacturers and marketers of electrical, electronic and fiber optic connectors and interconnect systems, antennas, sensors and sensor-based products and coaxial, high-speed, fiber optic, and specialty cable.
Basic company information
Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.
- Ticker / security symbols
- APH [1]
- Listing exchanges
- NYSE [1]
- SEC industry
- Electronic Connectors [1]
- Business sectors
- electronics [2]
- Company / filing name
- AMPHENOL CORP /DE/ [1]
- Headquarters location
- Wallingford [2]
- Business address
- 358 HALL AVE, WALLINGFORD, CT, 06492 [1]
- Founded
- 1932 [2]
- Legal form
- Delaware corporation [2]
- Incorporation jurisdiction
- Delaware, United States [1]
- Founders
- Arthur J. Schmitt [2]
- Official website
- www.amphenol.com ↗ [2]
- Annual revenue
- USD 12,623,000,000 · reported year 2022 [2]
- Fiscal year end
- December 31 (SEC record) [1]
- ISIN (reported securities)
- US0320951017 [2]
- CIK
- 0000820313 [1]
- SIC code
- 3678 [1]
- Country in background record
- United States [2]
Company positioning and business
Amphenol Corporation, headquartered in Wallingford, Connecticut, is one of the largest designers, manufacturers and marketers of electrical, electronic and fiber optic connectors and interconnect systems, antennas, sensors and sensor-based products and coaxial, high-speed, fiber optic, and specialty cable. [3]
The company's products are used for data centers and information technology (36% of 2025 revenues), industry (19% of 2025 revenues), automobiles (15% of 2025 revenues), communications networks (10% of 2025 revenues), defense (9% of 2025 revenues), mobile devices (6% of 2025 revenues), and aerospace (5% of 2025 revenues). The company name is a portmanteau of its predecessor, American Phenolic Corporation. The company is ranked the 198th on the Fortune 500 and 308th on the Forbes Global 2000. [3]
Background text: Wikipedia contributors, Amphenol. Selected introductory paragraphs, licensed under CC BY-SA 4.0. Official filing data is cited separately.
Understanding company scale
Annual revenue: USD 12,623,000,000 · reported year 2022. [2]
Financial year, securities and disclosures
The SEC submissions record gives AMPHENOL CORP /DE/ a fiscal year end of 1231 (MMDD). Individual filings below identify their own reporting period; the filing date is the publication event, not the financial year end. [1]
Listed securities: APH (NYSE). Multiple symbols may represent different share classes or securities of the same registrant. [4]
History and key events
Financial results and regulatory disclosures
Annual, quarterly and current reports from the collected SEC record. Insider Forms 4 and 144 are excluded. This is a selected list, not a live filing feed.
Source-verified relationships
Related entities and concepts
Frequently asked questions
When was AMPHENOL CORP /DE/ founded?
Founded: 1932. The linked source provides the background record. [2]
Where is the headquarters of AMPHENOL CORP /DE/?
Headquarters location: Wallingford. The linked source provides the background record. [2]
Which business sectors are recorded for AMPHENOL CORP /DE/?
Business sectors: electronics. The linked source provides the background record. [2]
AMPHENOL CORP /DE/ relationship map
Select a node to inspect its relationship and source.
2 verified direct relationships. Industry peers are not relationship edges.
Sources and review dates
- SEC — AMPHENOL CORP /DE/ filing identity and securities ↗
- Wikidata — company background record (CC0) ↗
- Wikipedia contributors — Amphenol (CC BY-SA 4.0) ↗
- SEC securities directory ↗
- Company chronology / filing ↗
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.