DEF Network is an international network of more than 60 expert fire safety companies and is  the  market leader in Europe  (13 plants and 2580 employees). DEF Network has been ensuring the protection of people and property for more than 60 years.

DEF (932 employees in France) is part of the DEF Network and is specialised in fire detection.

DEF DOI commits itself to providing solutions, excellent and customised services in safety and fire protection systems, developed, manufactured by DEF Network, according to international certifications. Our aim is to meet our customer highest expectations in the industrial, petrol and gas sectors as well as the demanding and sensitive tertiary one, by exporting the DEF network associated expertise and related know-how, while respecting the environment.

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