Open / close navigation Who are we People at the heart of the company Quality department Environment Who are we People at the heart of the company Quality department Environment The LSR Group has been providing its know-how and expertise in business services in Île-de-France since 1929. Over the years, the LSR Group has broadened its experience and activities, from industrial cleaning and associated services to network and IT maintenance for businesses . Enter Enter Enter Printable version | Site map © GROUPE LSR Login Logout | Edit