DEF
France
Fire detection, Gas detection, Security public address system,
Gas extinguishing, Supervision - Digital service, Project,
Maintenance, Training
DEF is your expert in fire safety solutions. It is the French pioneer and one of the European leaders in fire safety. Its offer covers many areas of fire safety, to go even further in saving human lives and protecting all types of building.
Over 65 years of experience
DEF is DEF Network’s fire detection expert. Our turnkey solutions are tailored to your needs and include reliable, innovative and certified systems and products, as well as customised support throughout your project. Our historic know-how and our global vision of fire safety (thanks to all the expertise of the DEF Network) mean that we can offer you a global vision of fire safety for your project.
Contact us
DEF
Parc d’activités du Moulin de Massy, 35, rue du Saule Trapu, 91300 MASSY
Tel (+33) 1 60 13 81 81
defonline.com
Our certifications
- ISO 45001, ISO 14001, ISO 9001
- APSAD
- NF
Sectors of activity
- Administrations
- Offices
- Commerce
- Culture
- Education
- Hosting
- Industry
- High-rise buildings
- Leisure
- Health
- Sensitive sites
- Sports
