Transformers • Services • Electrical suppliers

About us

In its beginnings

On September 14, 1973, the Electrical Engineering Company SAS ( EMINSA ) was established, product of the merger of Dominican capital with the Chilean multinational company Hernan Briones y Compañía. It is the first company established in the Dominican Republic for the manufacture and repair of electrical distribution transformers. In 1979 the company acquired the machinery and equipment from Canadian General Electric, advised by the Canadian firm Ferranti Packard Transformers, introducing Pad Mounted transformers to the market, once again being the pioneers in the range.

At the end of the 80s EMINSA makes its first exports to the Republic of Haiti, as well as to the islands of Turks & Caicos through an electrical contractor. In 1996, he signed an agreement for technical assistance and raw material supply, especially in the area of electrical substation and generation projects, with the international division of Energy International Corporation in the United States, a firm with more than 100 years of experience.

A new millennium

Once again, the SAS Electrical Engineering Company ( EMINSA ) is the first to seek solutions for energy problems that arise in the Dominican Republic, this time giving answers to the correction of the power factor of industries and establishments with high consumption.

In 2002 EMINSA , thanks to the spirit of constant innovation and the needs of our clients, began the distribution of Medium Voltage Cells and Transformation Centers.

In 2003, EMINSA received advice from the PUM, DUTCH ADVISORS PROGRAM, who redesigned our business operations, focusing them on the commercialization of services based on the flexibility and innovation of experienced subcontractors.

Likewise, in 2006, it began the distribution of transformers and equipment for the prestigious multinational company ABB, Inc., maintaining a stock of transformers available for its customers.

In addition, EMINSA is the authorized company for evaluation, diagnostic and repair services for equipment manufactured by GENERAL ELECTRIC, CO. in the Dominican Republic.
In 2018, a representation agreement was signed with an industry of Ecuadorian Transformers, which has its own state-of-the-art technology, with highly qualified professionals, technicians and operators, ensuring quality systems and standards to more than meet the demands of our national electricity market.

In 2019, EMINSA signs a distribution contract for the prestigious American company Schneider Electric USA, a global specialist in energy management and automation with operations in more than 100 countries. In the same year, a representation and distribution contract was signed with the Bulgarian company ELPROM TRAFO, which has the IEC (International Electrotechnical Commission) standard.

What does the Eminsa Group offer?

EMINSA Group made up of the companies, Empresa de Ingeniería SAS and Eminsa International Corp. This is responsible for our negotiations with foreign clients.

The EMINSA Group has offered for decades the manufacture of unsurpassed quality transformers, offering the market a reliable product with high operating efficiency.

Since our beginnings, our main focus has been to stay at the forefront of technological advances, which has led us to invest in the modernization of our physical infrastructure, equipment, and to obtain technical and administrative advice from prestigious firms and international cooperation programs.

In this way, in Grupo EMINSA we strive to support and satisfy the needs of our clients by making a contribution to the development of the country.

At GRUPO EMINSA we guarantee optimum quality, which allows us to offer a two-year guarantee with a progressive discount, both in the manufacture and sale and in the repair of our transformers; strictly governed by the international standards of the American National Standards Institute (ANSI).

Currently, the EMINSA GROUP It is a strategic partner for all important electrical projects at the national level and in the Caribbean. Through Eminsa International Corp., it has expanded the offers of equipment and services through associations with renowned international companies, including INATRA, being its representatives for the Dominican Republic and the Caribbean, SD MYERS Laboratories authorized for oil tests and SCHNEIDER for cells. medium voltage and distribution panels.

At this time we continue to export to several countries in the Region, mainly Haiti, Puerto Rico, Jamaica, as well as other Caribbean islands.

Corporate Philosophy


We understand the needs of our clients and we become their electrical and energy solution through excellence.


To be the preferred company in the Electrical and Energy sector.



Las actuaciones que nosotros promovemos se rigen por la palabra de Dios, la ética, honestidad, respeto y transparencia.

Trabajo en Equipo

Unidos potenciamos nuestras habilidades para alcanzar el éxito común.


Obramos con naturalidad, en forma espontánea sin adornos ni composturas.
Opciones: Cultura abierta, Cercanía.


En nuestras labores diarias siempre buscamos el conocimiento y las destrezas que se requieren, mediante una actitud de éxito y pasión por lo que hacemos.


Fomentamos la generación de ideas novedosas como respuesta a las necesidades particulares tanto de los clientes como de la misma organización.

"A good name is of more esteem than great riches, and a good name more than silver and gold."

- Proverbs 22:1

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