Verified Nov 2026
Electronics & Software
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East Granby, Connecticut
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Since 2023
Marmon Industrial Energy & Infrastructure is a Connecticut manufacturer of wire, cable, and bundled tubing, headquartered in East Granby, Connecticut. Founded in 2023 and estimated to employ 500 to 1,000 people with revenue in the $100 to $250 million range, it operates as a division of Marmon Electrical, part of Berkshire Hathaway. It serves the clean energy, commercial infrastructure, mining, nuclear, oil and gas, telecom, and transit industries. Its product line includes patented EV fast charging cables, and in June 2026 it launched the VITALink MI Cable, which expanded its VITALink portfolio.
Marmon Industrial Energy & Infrastructure at a glance
Revenue
$100-250M
Est. band
Employees
500-1,000
Founded
2023
Headquarters
East Granby, Connecticut
Certifications
ISO 9001
Industries
Automotive
Electric Vehicles
Electronics
Renewable Energy
Industrial Equipment
STABILITY SIGNALS
Established & active
3 years in operation (founded 2023).
Holds ISO 9001 certification(s) per public sources.
Overview
Marmon Industrial Energy & Infrastructure is a Connecticut manufacturer of wire, cable, and bundled tubing, headquartered in East Granby, Connecticut. Founded in 2023 and estimated to employ 500 to 1,000 people with revenue in the $100 to $250 million range, it operates as a division of Marmon Electrical, part of Berkshire Hathaway. It serves the clean energy, commercial infrastructure, mining, nuclear, oil and gas, telecom, and transit industries. Its product line includes patented EV fast charging cables, and in June 2026 it launched the VITALink MI Cable, which expanded its VITALink portfolio.
At a glance
Attribute | Detail |
|---|---|
Founded | 2023 |
Headquarters | East Granby, Connecticut |
Employees | 500-1,000 |
Revenue | $100-250M (estimated) |
Primary capability | Electronics & Software |
Certifications | ISO 9001 |
What Marmon Industrial Energy & Infrastructure makes
Its product portfolio includes electronic wire, instrumentation cables, air-dielectric coaxial cables, and patented EV fast charging cables, and it holds ISO 9001 certification.
Products and capabilities described on the company's own site include Emissions, Lighting, Valve, Pump (source: marmoniei.com).
Certifications
Marmon Industrial Energy & Infrastructure is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — marmoniei.com
Latest developments
2026-08-07 — On August 11th-13th, our Nuclear team will be representing Marmon Industrial Energy & Infrastructure and our RSCC® Nuclear Cable line of products at the EPRI PARTS meeting in Clearwater Beach, FL. | Marmon Industrial Energy & Infrastructure (linkedin.com)
2026-07-23 — Hooksett lowers tax incentives for Marmon development | Hooksett | unionleader.com (unionleader.com)
2026-06-22 — Marmon IEI Expands VITALink® Portfolio with Launch of VITALink® MI Cable at NFPA Conference & Expo - Marmon Industrial Energy & Infrastructure (marmoniei.com)
2026-06-22 — Announcements Archives - Marmon Industrial Energy & Infrastructure (marmoniei.com)
2025-09-24 — Marmon IEI Announces Strategic Operations Consolidation - Marmon Industrial Energy & Infrastructure (marmoniei.com)
2025-03-03 — Attleboro, MA Plant Consolidation - Marmon Industrial Energy & Infrastructure (marmoniei.com)
Facilities
Marmon Industrial Energy & Infrastructure is headquartered in East Granby, Connecticut. Public sources also reference these locations:
East Granby, Connecticut — marmoniei.com
Company details
As a division of Marmon Electrical within Berkshire Hathaway, it integrates six companies and draws on more than 100 years of combined experience. Marmon Industrial Energy & Infrastructure was founded in 2023, has an estimated 500-1,000 employees, and is headquartered in East Granby, Connecticut. On the LightSource stability read it is rated "Established & active": 3 years in operation (founded 2023). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Marmon Industrial Energy & Infrastructure make?
Marmon Industrial Energy & Infrastructure is a Connecticut manufacturer of wire, cable, and bundled tubing, headquartered in East Granby, Connecticut. Founded in 2023 and estimated to employ 500 to 1,000 people with revenue in the $100 to $250 million range, it operates as a division of Marmon Electrical, part of Berkshire Hathaway. It serves the clean energy, commercial infrastructure, mining, nuclear, oil and gas, telecom, and transit industries. Its product line includes patented EV fast charging cables, and in June 2026 it launched the VITALink MI Cable, which expanded its VITALink portfolio.
Where is Marmon Industrial Energy & Infrastructure headquartered?
Marmon Industrial Energy & Infrastructure is headquartered in East Granby, Connecticut (20 Bradley Park Rd, East Granby, Connecticut, 06026-9789).
When was Marmon Industrial Energy & Infrastructure founded?
Marmon Industrial Energy & Infrastructure was founded in 2023.
How big is Marmon Industrial Energy & Infrastructure?
Marmon Industrial Energy & Infrastructure has an estimated 500-1,000 employees, with revenue in the $100-250M range (estimated).
What certifications does Marmon Industrial Energy & Infrastructure hold?
Marmon Industrial Energy & Infrastructure lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
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