ISO 9001, ATEX, COFRAC, ...


…An ISO 9001 certified company by AFAQ.

ISO 9001 certification of companies management system is widely implemented now a days.

However, SIS was first certified ISO 9001 back in 1991, and our case was the first one AFAQ Electricity and Electronics department has dealt with (Dossier N° 1 CEE)

Our Management procedures have evolved together with the ISO normalization, but also to answer customers and staff requirements. this is why our procedures take extensively into account customer feedback, through our sales department when establishing the functionality of new product developments, but also through after sales department pointing out FAQs’ as well as most frequent configuration help needed (in order to improve training and documentation.

SIS is AFAQ certified for all its activities in the field of Conception, development and sales of :

  • Gas Volume Conversion Devices
  • Equipment and software for remote management of Gas network structure
  • Maintenance and complementary services.


ISO 9001

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ISO 14001

An ISO 9001 certified company by AFAQ

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ATEX Notification

Devices and protective systems for use in Hazardeous areas
All our products (ENVOL, TAIGA, COLIBRI and ALEX) are ATEX certified.

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LABORATOIRES section accreditation

The COFRAC accreditation comes together with LNE certifications to precise implementation areas.

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LNE production

Quality system approval certificate
Gas Volume Conversion Device (MID) production compliant with EN12405 Certificate.

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LNE repairs

Type 1 Gas Volume Conversion Device Repair
Compliance with MID and EN12405 regulations regarding the repairs of defective Type 1 volume converters on site or return to factory Certificate.

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they trust us

  • EMMER service
  • GRDF
  • GRT Gaz
  • Engie