We are the first transformer manufacturer in Mexico   Since 1948, we have addressed power market needs and have offered the experience of our research & development, engineering, production, testing, technical support, sales and post-sale service areas.   Currently, we devise, design and manufacture the full range of insulating liquid immersed transformers for any need and application. § Distribution (Pole, padmount and submersible) § Small power § Medium power § Extra high voltage     Since 2002, we have met the need of transmission networks compensation, offering our power reactor line.   Also, we contribute to the electrical system flexibility, as we are pioneers and the only national manufacturer in the design, manufacturing and testing of mobile power substations, adapting to every need and application.       We offer full equipment for predictive, preventive and corrective maintenance, in addition to commissioning of transformers and reactors. We are precursors in offering modernization of control equipment, maintenance and monitoring of power transformers and reactors.     Industrias IEM is one of the major electric industries in Mexico and we are part of Grupo CONDUMEX, one of the largest and renowned conglomerates in Mexico.