SIGMA, company that belongs to the ISO-SIGMA group, focuses on ensuring the safety and quality of electrical installations. Specialized in electrical solutions through the implementation of projects, inspections and technical analyses, SIGMA provides a service which ensures a safe and efficient use of electrical energy.


ISOGNOM, company that belongs to the ISO-SIGMA groupdedicates its activity to the industry for the manufacturing of electrical equipment for low and medium voltage. It is in ISOGNOM that work the project and planning departments, as well as the production and testing department.

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