ERMCO

Name

ERMCO

Legal name

Electric Research Manufacturing Cooperative, Inc.

Website

https://ermco-eci.com

Company type

Private

Founded year

1970

Operating status

Operating

Headcount range

501–1,000 employees

Ownership category

akta.pro rank

Product category

Electrical Distribution Transformers

NAICS

Power, Distribution, and Specialty Transformer Manufacturing (335311), Switchgear and Switchboard Apparatus Manufacturing (335313)

SIC

Power, Distribution & Specialty Transformers (3612), Electrical Industrial Apparatus (3620)

akta.pro primary industry

Transformers (Power, Distribution, Instrument, Specialty) (IMAGAAAA)

Keywords

• Distribution transformers
• Transformer components
• Oil-filled transformers
• Pad-mount transformers
• Pole-mount transformers

Headquarters

HQ city

Dyersburg

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales

Revenue model

1. Distribution Transformers: ERMCO manufactures and sells oil-filled distribution transformers including single-phase pad-mount, three-phase pad-mount, single-phase pole-mount, three-phase pole-mount, and ECO-PAD junction cabinets. Revenue is generated through direct sales to electric utilities.
2. Transformer Components: The ECI (ERMCO Components Inc.) division manufactures and sells transformer components including fuses, bushings, arresters, circuit breakers, connectors, and accessories for both ERMCO's own transformers and third-party applications.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

ERMCO manufactures and sells oil-filled distribution transformers — including single-phase and three-phase pad-mount and pole-mount configurations plus ECO-PAD junction cabinets — directly to electric utilities. Through its ECI (ERMCO Components Inc.) division, the company also produces a comprehensive catalog of transformer components such as expulsion fuses, arresters, bushings, circuit breakers, terminals/connectors, and wildlife protection products for both its own transformers and third-party applications.

Product overview

ERMCO (Electric Research Manufacturing Cooperative, Inc.) operates as the country's largest manufacturer of oil-filled distribution transformers, producing over 10 million transformers over its 50+ year history. The company offers two main product lines: Distribution Transformers (single-phase and three-phase, pad-mount and pole-mount configurations, plus ECO-PAD junction cabinets) and Transformer Components sold under the ECI brand (fuses, arresters, bushings, circuit breakers, terminals, connectors, wildlife protection products, and accessories). The product portfolio serves electric utilities including cooperatives, municipalities, and investor-owned utilities (IOUs), with ISO 9001:2015 certified manufacturing facilities in Dyersburg, Tennessee, Greenville, Bristol, and Reynosa.

Differentiator

Problem solved

Functional benefit

Brands

• ECI (ERMCO Components): Transformer Components division of ERMCO manufacturing fuses, arresters, bushings, circuit breakers, and other transformer components
• ERMCO Distribution Transformers

Products and services

• Single-Phase Pad-Mount Transformers Oil-filled distribution transformers designed for single-phase electrical distribution, mounted on pads for underground distribution systems. Available in various kVA ratings for electric utility customers.
• Three-Phase Pad-Mount Transformers Oil-filled three-phase distribution transformers designed for pad-mount installation, suitable for commercial and industrial power distribution applications, available in ratings from 30 to 3000 kVA.
• Single-Phase Pole-Mount Transformers Oil-filled single-phase distribution transformers designed for overhead pole mounting, available from 1/2 to 250 kVA with primary voltages from 2.4 kV to 34.5 kV.
• Three-Phase Pole-Mount Transformers Oil-filled three-phase distribution transformers for overhead pole mounting, available in both rectangular and round tank designs for areas with limited space.
• ECO-PAD Junction Cabinet Oil-filled, pad-mount junction cabinet consisting of source and load bushings combined with fuses and loadbreak switches. Available in Type 1, Type 2, and Type 3 configurations for various single and three-phase applications.
• Expulsion Fuses Complete product range of expulsion fuses for oil-filled distribution transformers, including bayonet type, bushing mount, terminal board mount, isolation links, and bushing fuses.
• Dry-Well Fuseholders Dry-well fuseholders for placing dead-front type current-limiting fuses within transformers or other oil-filled electrical apparatus. Available in standard and submersible versions with various kV and BIL ratings.
• High Voltage Arresters Heavy-duty lightning arresters for the high-voltage side of pole-mount distribution transformers, designed per ANSI/IEEE C62.11-2020, available in 15.3 kV and 24.4 kV ratings.
• Low Voltage Arresters Distribution lightning arresters for the low-voltage side of single and three-phase distribution transformers, available for 120/240V, 277V, 208Y/120V, and 480Y/277V applications.
• HV Bushings High-voltage bushing wells and integrated bushings for terminating primary conductors in oil-filled devices, compliant with ANSI/IEEE 386 standards for separable insulated connector systems.
• LV Bushings Low-voltage bushings for use in oil-filled pole-mount or pad-mount distribution transformers, including 1.2 kV 30 kV BIL pole-mount bushings and Tri-Clamp type bushings.
• Circuit Breakers Internal oil-immersed secondary circuit breakers for use in single and three-phase distribution transformer protection assemblies, available in 5–50 kVA, 75–167 kVA, and three-phase configurations.
• Terminals and Connectors Complete range of terminals and connectors for transformer components, including ground lugs, flat spades, straight connectors, and Z-bar connectors for secure electrical connections.
• Arrester Disconnect Switches Externally operated switches that enable electrical testing on transformers equipped with internal under-oil lightning arrester devices, including arrester disconnect and neutral disconnect switches.
• Wildlife Protection Products (Animal Shield) Animal protection shields for transformers, including handwheel assemblies, medium clamshells, and stop caps, available in standard, mesh, and fire-retardant versions.

Named customers3 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

One partnership is on record.

• Arkansas Electric Cooperatives, Inc.coreOthersERMCO is owned by Arkansas Electric Cooperatives, Inc., making it a cooperative-owned manufacturer serving the broader electric cooperative network.

Scale indicators6 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Hitachi Energy: Hitachi Energy (formerly ABB Power Grids) is a global leader in transformers, including distribution-class units sold into the US market. Comparable in product category but operates at much larger scale across transmission, distribution, and grid automation.
• Siemens Energy: Siemens Energy manufactures a full range of transformers and grid technology products globally and serves US utilities. Comparable in product category but with significantly broader portfolio and global scale than ERMCO.
• Eaton Corporation: Eaton is a diversified power management company with a significant transformer and electrical apparatus portfolio serving utilities and industrial customers. While broader in scope, Eaton competes directly with ERMCO on distribution transformers and switchgear components.
• Schneider Electric: Schneider Electric offers distribution transformers and broader electrical distribution solutions through its utility-focused segment. Competes with ERMCO on transformer and grid component sales to electric utilities.

Emerging players

• Hubbell Incorporated: Hubbell manufactures electrical products for utility and industrial markets, including transformer components and related apparatus that overlap with ERMCO's ECI product line. A broader player but with material overlap in transformer accessories and bushings.
• WEG Industries: WEG is a Brazilian electrical equipment manufacturer that has expanded aggressively into the US distribution transformer market, particularly during recent supply shortages. Competes with ERMCO on pad-mount and pole-mount products for utility customers.

Direct peers

• Jefferson Electric: Jefferson Electric manufactures distribution transformers for the US market, including dry-type and oil-filled units. A smaller but direct competitor focused on similar customer segments as ERMCO.
• MGM Transformer Company: MGM Transformer is a US-based manufacturer of custom distribution and power transformers. Smaller scale than ERMCO but competes in the same pad-mount and pole-mount segments serving utilities and industrial customers.
• Howard Industries: Howard Industries is widely regarded as one of the largest US manufacturers of distribution transformers and a direct head-to-head competitor to ERMCO. Both companies serve electric utilities with pad-mount and pole-mount oil-filled transformers and compete on price, lead time, and customization.

Others

• ERMCO GridBridge (subsidiary): GridBridge, acquired by ERMCO in 2017, develops power electronic solutions for the grid edge. Listed as an adjacent/related entity because it represents ERMCO's strategic move into grid-edge power electronics distinct from its core transformer business.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights8 records

Customer concentration

• Facebookfacebook.com/ErmcoEci
• LinkedInlinkedin.com/company/ermco-inc-

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 records

Subsidiaries1 record

Funding overview

Funding rounds2 records

Investors2 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A2 records

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ERMCO