Verified Nov 2026
Batteries & E-Mobility
·

Plainville, Connecticut
·
Since 1920
Carling Technologies, founded in 1920 and headquartered in Plainville, Connecticut, designs and manufactures electrical switching products, circuit protection devices, power distribution systems, and battery solutions. The company has roughly 1,000 to 5,000 employees and an estimated revenue band of $100 to $250 million. It is privately held and serves the automotive, electric vehicle, electronics, construction, renewable energy, and industrial equipment sectors. In August 2025 it added an IP67-rated window lift switch to its L-Series line.
Carling Technologies at a glance
Revenue
$100-250M
Est. band
Employees
1,000-5,000
Founded
1920
Headquarters
Plainville, Connecticut
Certifications
IATF 16949 · ISO 14001 · ISO 9001
Import activity
195
Industries
Automotive
Electric Vehicles
Electronics
Construction
Renewable Energy
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
195
Named foreign suppliers
22
Top origins
Singapore · Hong Kong S.A.R. · Taiwan · China

Shared foreign counterparties do not establish that these companies buy from Carling Technologies.
What this tells a buyer
No customs trade data is available for Carling Technologies in the record.
The company holds IATF 16949, ISO 9001, and ISO 14001 certifications and its product line includes circuit breakers, rocker and toggle switches, pushbutton switches, rotary switches, and power distribution units.
Carling Technologies is a privately held company and became a brand within Littelfuse in November 2021.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
106 years in operation (founded 1920).
Holds IATF 16949, ISO 14001, ISO 9001 certification(s) per public sources.
Overview
Carling Technologies, founded in 1920 and headquartered in Plainville, Connecticut, designs and manufactures electrical switching products, circuit protection devices, power distribution systems, and battery solutions. The company has roughly 1,000 to 5,000 employees and an estimated revenue band of $100 to $250 million. It is privately held and serves the automotive, electric vehicle, electronics, construction, renewable energy, and industrial equipment sectors. In August 2025 it added an IP67-rated window lift switch to its L-Series line.
At a glance
Attribute | Detail |
|---|---|
Founded | 1920 |
Headquarters | Plainville, Connecticut |
Employees | 1,000-5,000 |
Revenue | $100-250M (estimated) |
Primary capability | Batteries & E-Mobility |
Certifications | IATF 16949 · ISO 14001 · ISO 9001 |
What Carling Technologies makes
The company holds IATF 16949, ISO 9001, and ISO 14001 certifications and its product line includes circuit breakers, rocker and toggle switches, pushbutton switches, rotary switches, and power distribution units.
Products and capabilities described on the company's own site include Forged, Tooling, Battery, Assembly (source: carlingtech.com).
Certifications
Carling Technologies is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
IATF 16949 — carlingtech.com
ISO 14001 — carlingtech.com
ISO 9001 — carlingtech.com
Trade and customs footprint
No customs trade data is available for Carling Technologies in the record. US customs bill-of-lading records list 195 inbound shipments across 22 foreign suppliers, with top origins including Singapore · Hong Kong S.A.R. · Taiwan · China.
Latest developments
2026-09-02 — Carling Technologies & Littelfuse in Türkiye by IQVehicles | IQVehicles (linkedin.com)
2026-07-30 — Carling Technologies & Littelfuse in Türkiye by Aquaelecs | Aquaelecs (linkedin.com)
2026-02-04 — Carling Technologies in Türkiye by Aquaelecs | Aquaelecs (linkedin.com)
2025-08-29 — Carling Adds IP67 Window Lift Switch to L-Series Lineup (electronicsmedia.info)
2025-01-07 — Tech Tips: What Makes a Magnetic Circuit Breaker Trip? Ask Carling Technologies. - Magnetics Magazine (magneticsmag.com)
Company details
Carling Technologies is a privately held company and became a brand within Littelfuse in November 2021. Carling Technologies was founded in 1920, has an estimated 1,000-5,000 employees, and is headquartered in Plainville, Connecticut. On the LightSource stability read it is rated "Established & active": 106 years in operation (founded 1920). Holds IATF 16949, ISO 14001, ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Carling Technologies make?
Carling Technologies, founded in 1920 and headquartered in Plainville, Connecticut, designs and manufactures electrical switching products, circuit protection devices, power distribution systems, and battery solutions. The company has roughly 1,000 to 5,000 employees and an estimated revenue band of $100 to $250 million. It is privately held and serves the automotive, electric vehicle, electronics, construction, renewable energy, and industrial equipment sectors. In August 2025 it added an IP67-rated window lift switch to its L-Series line.
Where is Carling Technologies headquartered?
Carling Technologies is headquartered in Plainville, Connecticut (60 Johnson Ave, Plainville, Connecticut, 06062-1181).
When was Carling Technologies founded?
Carling Technologies was founded in 1920.
How big is Carling Technologies?
Carling Technologies has an estimated 1,000-5,000 employees, with revenue in the $100-250M range (estimated).
What certifications does Carling Technologies hold?
Carling Technologies lists IATF 16949 · ISO 14001 · ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does Carling Technologies import from overseas suppliers?
US customs bill-of-lading records show 195 inbound shipments for Carling Technologies, with top origins including Singapore · Hong Kong S.A.R. · Taiwan · China.
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Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
+1 860-793-9281
Certification
IATF 16949 · ISO 14001 · ISO 9001
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