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Amphenol

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High-technology interconnect, sensor, and antenna solutions.

Wallingford, United StatesFounded 1932Aviation
Valuation $193B Market cap · 2026
Revenue $36B Latest reported FY
EBITDA $12B Latest reported FY

About Amphenol

You’ve probably never seen an Amphenol product, but it’s almost certain you’ve used one today. The company is a titan in the world of connectors and cables—the critical, unseen components that enable everything from your phone and car to data centers and airplanes. If it plugs in or sends a signal, there’s a good chance Amphenol had a hand in it. This is the story of how a small Chicago startup became the hidden infrastructure of the electronic age. The story begins in 1932, in the depths of the Great Depression, when an entrepreneur named Arthur J. Schmitt founded the American Phenolic Corp. His first product was an innovative tube socket for radios, using a durable plastic called phenolic instead of brittle ceramic. This small innovation solved a major manufacturing headache for the booming radio industry. When World War II broke out, the company pivoted to become a primary manufacturer of electrical connectors for military aircraft and radios, establishing a reputation for reliability under extreme conditions. After the war, Amphenol expanded into components for televisions and computers. The company went public for the first time in 1957. The following decades saw a series of complex corporate maneuvers, including being part of Bunker-Ramo Corporation and later Allied Corp. A pivotal moment came in 1987 when LPL Investment Group acquired the company in a leveraged buyout. This led to a renewed focus and a second, more enduring IPO in 1991 on the New York Stock Exchange. Since then, Amphenol's strategy has been defined by relentless and strategic acquisition, purchasing dozens of companies to expand its reach into nearly every technology market imaginable: automotive, aerospace, mobile networks, and industrial applications. Today, Amphenol stands as a diversified, global powerhouse, a quiet giant whose components form the essential nervous system of our connected world.

Source: Dealroom company data

At a glance

Status
Listed
Founded
1932
Headquarters
Wallingford, United States
Listing
IPO 1991
Employees
15
Open positions
124
Dealroom signal
28.0/100
Industry
Transportation, Engineering and Manufacturing Equipment
Sector
Aviation, Automotive, Aviation and Aerospace, DT and LS
Technology
Hardware, Deep Tech
Business model
Manufacturing
Client focus
b2c
Investment activity
21 companies, latest Jan 2026
Capital deployed
—
Preferred round
ACQUISITION

Funding history

8 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
POST IPO DEBT✓Debt May 2026 $1.2B — Undisclosed ↗
POST IPO DEBT✓Debt Mar 2026 $550M — Undisclosed ↗
Showing the latest 2 of 8 recorded eventsBook a demo for the full funding history →

Financials

Revenue, earnings and profit over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowthEBITDAMarginProfitMargin
2026 $36B +53.9% $12B 32.8% $6.5B 18.4%
2025 $23B +51.7% $7B 30.3% $4.3B 18.5%
2024 $15B +21.3% $3.9B 25.8% $2.4B 15.9%
2023 $13B -0.5% $3B 24.1%
2022 $13B +16.1% $3B 23.8%
2021 $11B +26.5% $2.6B 23.6%
2020 $8.6B — $2B 22.8%
Company filings, research estimates and Dealroom dataBook a demo for the full financial model →

Growth signals

Amphenol website traffic

Latest recorded traffic for Amphenol is 56K monthly website visits, up 36.6% over the last three months. Amphenol's team grew 0% over the past year.

Latest monthly visits56K 3-month web change+36.6% 1-year team growth0%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Similar companies

Closest operating peers by Dealroom taxonomy

Company identity and context are open; selected comparison metrics preview what is available on the platform.

Showing 8 of the closest matchesCompare every metric →
Team profiled 7 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators Hidden — book a demo quality score
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
🇺🇸 United States · Wallingford HQ
Book a demo for the full country breakdown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Amphenol on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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