RFQ

aPPlY OnLInE

50 Years of Manufacturing Excellence
50 Years of

Manufacturing Excellence & Employee Pride

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Products Built With Pride

With 50 years of manufacturing excellence and as the largest distributor of reliable, durable, and efficient single and three-phase oil-filled transformers and components in the USA, we build our products to weather any storm.

Employer of Choice

We top the list of the area's premier employers because we know that our people built our business. We've spent decades molding our company culture around transforming lives and powering our employees' futures.

Industry Leader, Trusted Partner

Our leadership and sales teams have a depth of industry and operational knowledge. They contribute and share smart and innovative ideas that continuously improve our business and the ever-changing energy landscape.

Portfolio of Companies

Our Portfolio of Companies

Our company began production in 1972 in Dyersburg, TN. Our reputation is steeped and guided by these five principles: Prioritize Our People, Serve Our Communities, Emphasize Quality, Set Industry Standards, Develop Strong Relationships & Build Partnerships on Trust & Communication.

Powering the world takes an entire team sharing the same values, vision, and mission for our company, people, and community.

Transformers made to your specifications

The Largest Manufacturer of Oil-Filled Distribution Transformers in the USA.

Components sold globally

Components made in Greeneville, TN and shipped nationally and internationally.

improving performance at the grid edge

Power Delivery Solutions for enhanced safety and reliability at the substation and downstream.

ERMCO Transformers
transformers

Transformers Built to Weather Any Storm

ERMCO has been manufacturing single and three-phase pad and pole mount oil-filled transformers for decades. Our products are designed and manufactured in compliance with all applicable IEEE and RUS standards and offer enhanced safety features and paint finish that exceed IEEE requirements.

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ECI
components

Components Built to
Weather Any Storm

Our component products are compatible with our oil-filled distribution transformers in Greeneville, TN, and sold worldwide. Products include Expulsion Fuses, Arrester Disconnect Switches, Bushings, Product Accessories, Circuit Breakers, Dry-Well Fuseholders, and Arresters.

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GridBridge
power solutions

Innovative Power
Delivery Solutions

Gridbridge provides electric utility customers with innovative power delivery solutions at the substation and downstream. Our technical resources combined with ERMCO transformers allows us to develop and deliver solutions that combine hardware, software, and data management into cutting edge solutions for our utility partners.

Gridbridge provides electric utility customers with a set of innovative power delivery solutions at the substation and downstream. Our state-of-the-art technical resources combined with ERMCO's 50 years of producing durable and reliable transformers enables us to develop and deliver solutions that combine hardware, software, and data management into cutting edge solutions for our utility partners.

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