Our History

Prolec's Remarkable Journey - Business History Unveiled

Prolec has a rich history spanning more than 60 years. With familiar industry names like Hevi-Duty and ABB in our timeline, our story is firmly rooted in the power industry. Flourishing from our humble beginnings in small warehouses with only a few pieces of equipment to one of the largest manufacturers of transformers in the Americas and a valued supplier of transformer service solutions, we currently employ over 16,000 people between our six manufacturing facilities and field service team.


Prolec Began Operations

Prolec began operations in 1969 with the acquisition of IEI (Industrial Electrical Engineering), a small factory producing medium-power electrical transformers and distribution in Mexico City.

Productos Industriales CM

Prolec's operations were relocated to Nuevo León, in northeastern Mexico, where a new plant was inaugurated: Productos Industriales CM, now Prolec GE. This marks the first production of distribution transformers in Mexico.

Joint venture Prolec GE

Xignux and General Electric establish a joint venture dedicated to power transformers manufacturing: Prolec GE.

Distribution Transformers

Integration of distribution transformers division to the Prolec GE joint venture.

Integration of industrial transformers

Prolec GE expands the scope of its joint venture by including the manufacturing of industrial transformers for export

Three-Phase Pad-Mounted Transformers

Integration of three-phase pad-mounted transformers.

First Exportation of Prolec Celeco

Prolec Celeco carries out the first export of short-circuit isolators to China.

Extra High Voltage Transformers

Integration of extra high voltage (EHV) transformers.

Prolec Labs

Prolec Labs started operations in Apodaca, Nuevo Leon.

VG-100 Natural Ester

VG-100, natural ester fluid, was introduced to the national market.

Prolec GE International

Acquisition of Prolec GE USA in Shreveport, LA and Prolec GE Brazil in Canoas, Brazil

Waukesha Integration

Acquisition of  Waukesha Transformers business, located in Waukesha, WI; Goldsboro, NC, and Dallas, TX.