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ISONOR

ActiveSIREN number 438 447 112Simplified joint-stock company (SAS)Est. 200143.23 · Installation of insulationGravelines, Hauts-de-France
Official record (Annuaire des entreprises) ↗
Age25 years
older than 93% of its sector
Same activity, France7,775live companies · 554th oldest
In Gravelines715live companies · 2 in the same activity
At this address1only this company
Employees20–49as registered · 2024

In brief

ISONOR is a simplified joint-stock company (SAS) registered in France on 5 July 2001. At 25 years old it is older than 93% of the 7,775 live companies whose main activity is installation of insulation. Its registered office is in Gravelines, Nord, Hauts-de-France. 2 live companies in Gravelines share the same main activity.

Register details

Registered nameISONOR
SIREN number438 447 112
Company typeSimplified joint-stock company (SAS)
Registered officeRoute Du Developpement, 59820 Gravelines
Nature of business (NACE Rev. 2.1 (French NAF 2025))43.23 Installation of insulation
International sector (ISIC Rev.4)F · 43 Specialised construction activities

Timeline

Register events, newest first.

  • Incorporated

Register entries

From the register.

Incorporated5 July 2001
Employees20–49 (2024)

Installation of insulation in France

Live companies whose main activity is 43.23: 7,775 in total, median age 6 years, 596 incorporated in the past 12 months.

All 7,775 companies
This company's decadeOther decades
02,0004,0006,0008,0001900s: 441900s1950s: 551950s1960s: 12121960s1970s: 49491970s1980s: 1251251980s1990s: 2832831990s2000s: 8478472000s2010s: 2,6062,6062010s2020s: 3,8443,8442020s
Incorporated per year, still live
02004006008002011: 21620112012: 2582013: 25420132014: 2252015: 22020152016: 2312017: 28520172018: 3122019: 42720192020: 4702021: 47320212022: 4832023: 58520232024: 6922025: 66520252026: 476

Location

Registered office in Gravelines, Nord, Hauts-de-France.

Live companies in Gravelines715
Same activity in Gravelines2
Live companies in Nord241,477
New in Gravelines, past 12 months26

Similar companies

Live companies with the same main activity, nearest first.

Compare all
EI
EVRARD ISOLATIONDunkerque, Hauts-de-France
Number 437 623 713Est. 2001
PI
PLUIMERS ISOLATION EURLMarcq-en-Barœul, Hauts-de-France
Number 432 379 360Est. 2000
PR
PARTNER REFRACTORIES GUNITINGRâches, Hauts-de-France
Number 449 625 664Est. 2003
LL
LA LOGELille, Hauts-de-France
Number 449 920 628Est. 2003
I
IMPERNORDLoos, Hauts-de-France
Number 478 301 823Est. 2004
M
MONTISOLESaint-Amand-les-Eaux, Hauts-de-France
Number 484 032 768Est. 2005

Sources

Register data: Insee, Sirene database of companies and establishments (Licence Ouverte / Open Licence 2.0), delivery of 21 October 2026. Territories: Insee, Code officiel géographique 2026. Industry names: European Union, EU Vocabularies (NACE Rev. 2.1). Context figures are computed by FirmsDB from these sources. This page is not an official register; check the company's entry in the French government business directory before relying on it.