Companies in Ermont
19 companies have an active site of 50 or more employees in Ermont (SIRENE register, file dated 01/10/2026).
Positions calculated from the address published in SIRENE (national address database); a site whose address could not be located is not shown on the map.
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CLINIQUE CLAUDE BERNARD
Ermont
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ENERGILEC
Ermont
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CORA
Ermont, Garges-lès-Gonesse
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SNCF VOYAGEURS
Argenteuil, Ermont +16
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SOCIETE GENERALE
Cergy, Saint-Leu-la-Forêt +36
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SOGERES
Osny, Bezons +22
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AMI SERVICES
Ermont
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ASS POUR ADULTES ET JEUNES HANDICAPES DU VAL D'OISE
Gonesse, Ermont +11
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GMF VIE
Ermont
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HAARP
Cormeilles-en-Parisis, Montigny-lès-Cormeilles +5
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SNCF RESEAU
Ermont, Argenteuil +16
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ARPAVIE
Presles, Ermont +7
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FONDATION JEAN COTXET
Ermont
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GMF ASSURANCES
Ermont, Argenteuil +1
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LPCR COLLECTIVITES PUBLIQUES
Enghien-les-Bains, Auvers-sur-Oise +3
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SAUVEGARDE DE L'ENFANCE ET DE L'ADOLESCENCE DU VAL D'OISE
Saint-Ouen-l'Aumône, Cergy +8
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SOCIETE NATIONALE SNCF
Ermont, Persan +2
Town profile : Ermont Premises available in Ermont
Source: SIRENE register (Insee), file dated 01/10/2026. The headcount band is the one declared in SIRENE, not an exact headcount. Companies that asked for their data not to be disclosed are not listed. Something to correct? Write to CEEVO.