Verified Nov 2026
Electronics & Software
·

Dyersburg, Tennessee
·
Since 1972
Ermco-Eci, headquartered in Dyersburg, Tennessee, was founded in 1972 and manufactures liquid-filled distribution transformers, pole-mounted and pad-mounted units, and related electrical equipment. The company is a wholly owned subsidiary of Arkansas Electric Cooperatives, Inc. and employs between 1,000 and 5,000 people. It serves electric utilities, commercial and industrial clients, renewable energy projects, and public power entities. In June 2025, it marked its nine millionth transformer produced at its Dyersburg facility.
Ermco-Eci at a glance
Revenue
$100-250M
Est. band
Employees
1,000-5,000
Founded
1972
Headquarters
Dyersburg, Tennessee
Certifications
ISO 9001
Industries
Automotive
Electric Vehicles
Electronics
Renewable Energy
Industrial Equipment
STABILITY SIGNALS
Established & active
54 years in operation (founded 1972).
Holds ISO 9001 certification(s) per public sources.
Overview
Ermco-Eci, headquartered in Dyersburg, Tennessee, was founded in 1972 and manufactures liquid-filled distribution transformers, pole-mounted and pad-mounted units, and related electrical equipment. The company is a wholly owned subsidiary of Arkansas Electric Cooperatives, Inc. and employs between 1,000 and 5,000 people. It serves electric utilities, commercial and industrial clients, renewable energy projects, and public power entities. In June 2025, it marked its nine millionth transformer produced at its Dyersburg facility.
At a glance
Attribute | Detail |
|---|---|
Founded | 1972 |
Headquarters | Dyersburg, Tennessee |
Employees | 1,000-5,000 |
Revenue | $100-250M (estimated) |
Primary capability | Electronics & Software |
Certifications | ISO 9001 |
What Ermco-Eci makes
The company holds ISO 9001 certification and produces transformer components, fuses, and bushings alongside its distribution transformer lines.
Products and capabilities described on the company's own site include Steel (source: ermco-eci.com).
Certifications
Ermco-Eci is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — ermco-eci.com
Latest developments
2026-01-21 — ERMCO to Open New Manufacturing Facility in Maricopa County - ERMCO Distribution Transformers (ermco-eci.com)
2025-06-30 — ERMCO Strengthens Energy Infrastructure Capabilities Through Wisconsin Facility Acquisition - ERMCO Distribution Transformers (ermco-eci.com)
2025-06-23 — ERMCO Hits Major Milestone with Nine Millionth Transformer in Dyersburg - ERMCO Distribution Transformers (ermco-eci.com)
2025-04-26 — APS Supplier of the Year - ERMCO Distribution Transformers (ermco-eci.com)
Company details
Ermco-Eci is a wholly owned subsidiary of Arkansas Electric Cooperatives, Inc., and in April 2025 it was named APS Supplier of the Year. Ermco-Eci was founded in 1972, has an estimated 1,000-5,000 employees, and is headquartered in Dyersburg, Tennessee. On the LightSource stability read it is rated "Established & active": 54 years in operation (founded 1972). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does Ermco-Eci make?
Ermco-Eci, headquartered in Dyersburg, Tennessee, was founded in 1972 and manufactures liquid-filled distribution transformers, pole-mounted and pad-mounted units, and related electrical equipment. The company is a wholly owned subsidiary of Arkansas Electric Cooperatives, Inc. and employs between 1,000 and 5,000 people. It serves electric utilities, commercial and industrial clients, renewable energy projects, and public power entities. In June 2025, it marked its nine millionth transformer produced at its Dyersburg facility.
Where is Ermco-Eci headquartered?
Ermco-Eci is headquartered in Dyersburg, Tennessee (2225 Industrial Rd, Dyersburg, Tennessee, 38024).
When was Ermco-Eci founded?
Ermco-Eci was founded in 1972.
How big is Ermco-Eci?
Ermco-Eci has an estimated 1,000-5,000 employees, with revenue in the $100-250M range (estimated).
What certifications does Ermco-Eci hold?
Ermco-Eci lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
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Last verified Nov 2026. Is this your company? Request a correction.
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