Verified Nov 2026
Electronics & Software
·
Rosemont, Illinois
·
Since 1928
C&K is an electronics and software manufacturer headquartered in Rosemont, Illinois, United States, founded in 1928. The company employs an estimated 200 to 500 people, with estimated annual revenue in the $50 million to $100 million range. It is privately held and serves the automotive, electronics, appliance, plumbing-hardware, and industrial-equipment industries. Its product focus includes switches, sensors, and high-reliability connectors, and it offers value-added assembly services.
C&K at a glance
Revenue
$50-100M
Est. band
Employees
200-500
Founded
1928
Headquarters
Rosemont, Illinois
Certifications
IATF 16949 · ISO 14001 · ISO 9001 · ISO/TS 16949
Import activity
87
Industries
Automotive
Electronics
Appliance
Plumbing & Hardware
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
87
Named foreign suppliers
14
Top origins
Germany · France · Netherlands · Belgium
Shared foreign counterparties do not establish that these companies buy from C&K.
What this tells a buyer
No customs or trade shipment data is available in the record, and the company has been in operation since 1928, giving it nearly a century of manufacturing history.
The company holds IATF 16949, ISO 9001, ISO/TS 16949, and ISO 14001 certifications, which cover automotive quality management and environmental management.
C&K is privately held with an estimated revenue band of $50 million to $100 million, and its listed industries include automotive and appliance manufacturing.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
98 years in operation (founded 1928).
Holds IATF 16949, ISO 14001, ISO 9001, ISO/TS 16949 certification(s) per public sources.
Overview
C&K is an electronics and software manufacturer headquartered in Rosemont, Illinois, United States, founded in 1928. The company employs an estimated 200 to 500 people, with estimated annual revenue in the $50 million to $100 million range. It is privately held and serves the automotive, electronics, appliance, plumbing-hardware, and industrial-equipment industries. Its product focus includes switches, sensors, and high-reliability connectors, and it offers value-added assembly services.
At a glance
Attribute | Detail |
|---|---|
Founded | 1928 |
Headquarters | Rosemont, Illinois |
Employees | 200-500 |
Revenue | $50-100M (estimated) |
Primary capability | Electronics & Software |
Certifications | IATF 16949 · ISO 14001 · ISO 9001 · ISO/TS 16949 |
What C&K makes
The company holds IATF 16949, ISO 9001, ISO/TS 16949, and ISO 14001 certifications, which cover automotive quality management and environmental management.
Certifications
C&K is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
IATF 16949 — astutegroup.com
ISO 14001 — ckswitches.com
ISO 9001 — astutegroup.com
ISO/TS 16949 — ckswitches.cn
Trade and customs footprint
No customs or trade shipment data is available in the record, and the company has been in operation since 1928, giving it nearly a century of manufacturing history. US customs bill-of-lading records list 87 inbound shipments across 14 foreign suppliers, with top origins including Germany · France · Netherlands · Belgium.
Company details
C&K is privately held with an estimated revenue band of $50 million to $100 million, and its listed industries include automotive and appliance manufacturing. C&K was founded in 1928, has an estimated 200-500 employees, and is headquartered in Rosemont, Illinois. On the LightSource stability read it is rated "Established & active": 98 years in operation (founded 1928). Holds IATF 16949, ISO 14001, ISO 9001, ISO/TS 16949 certification(s) per public sources.
Frequently asked questions
What does C&K make?
C&K is an electronics and software manufacturer headquartered in Rosemont, Illinois, United States, founded in 1928. The company employs an estimated 200 to 500 people, with estimated annual revenue in the $50 million to $100 million range. It is privately held and serves the automotive, electronics, appliance, plumbing-hardware, and industrial-equipment industries. Its product focus includes switches, sensors, and high-reliability connectors, and it offers value-added assembly services.
Where is C&K headquartered?
C&K is headquartered in Rosemont, Illinois (6133 N River Rd, Rosemont, Illinois, 60018-5100).
When was C&K founded?
C&K was founded in 1928.
How big is C&K?
C&K has an estimated 200-500 employees, with revenue in the $50-100M range (estimated).
What certifications does C&K hold?
C&K lists IATF 16949 · ISO 14001 · ISO 9001 · ISO/TS 16949 on its website. Confirm the certified scope for the specific plant producing your part.
Does C&K import from overseas suppliers?
US customs bill-of-lading records show 87 inbound shipments for C&K, with top origins including Germany · France · Netherlands · Belgium.
Related suppliers
Explore other suppliers in the LightSource directory:
Last verified Nov 2026. Is this your company? Request a correction.
Location & contact
Phone
+1 617-969-3700
Certification
IATF 16949 · ISO 14001 · ISO 9001 · ISO/TS 16949
Evaluating suppliers like these?
This profile comes from a public-data sample of around 1,000 companies. Book a demo to see the full LightSource marketplace and supplier discovery platform — 1M+ credible suppliers, with AI-run sourcing events.