Companies in Osny
33 companies have an active site of 50 or more employees in Osny (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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AUCHAN HYPERMARCHE
Cergy, Osny +3
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LEROY MERLIN FRANCE
Montigny-lès-Cormeilles, Montsoult +2
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SOCIETE GENERALE
Cergy, Saint-Leu-la-Forêt +36
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SOCIETE LOUIS VUITTON SERVICES
Osny, Cergy
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SODIOS EXPLOITATION
Osny, Marines +1
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SOGERES
Osny, Bezons +22
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APAVE EXPLOITATION FRANCE
Osny, Taverny
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CARGLASS S.A.S.
Saint-Ouen-l'Aumône, Herblay-sur-Seine +7
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EG RETAIL (FRANCE) SAS
Cergy, Attainville +4
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EMEIS CLINIQUES
Taverny, Argenteuil +6
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ALLIANCE EMPLOI
Osny
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BOULANGER
Montigny-lès-Cormeilles, Sarcelles +3
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CENEXI
Osny
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EMEIS
Domont, Saint-Clair-sur-Epte +7
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ESPACE SOCIAL POUR L'EDUCATION LA REINSERTION ET LA REFLEXION
Pontoise, Cergy +4
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FACEO INNOTECH
Osny
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FONDATION ANAIS
Pierrelaye, Jouy-le-Moutier +3
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INOVIE BIOFUTUR
L'Isle-Adam, Villiers-le-Bel +12
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LIDL
Osny, Saint-Gratien +17
Town profile : Osny Premises available in Osny
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.