ENTREPRISES DE CONSTRUCTION:                            BOUYGUES

                     DODIN ILE DE FRANCE

                                                                                    ETPO

                                                                                    EIFFAGE

                                                                                    FREYSSINET

                                                                                    SEGEX

                                                                                    CHARIER TP

                                                                                    COLAS ILE DE FRANCE

 

COMPAGNIES DE NAVIGATION:                                 CFT

                                                                                   YACHT DE PARIS

                                                                                   VEDETTES DE PARIS

                                                                                   BATEAUX PARISIENS

                                                                                   LMPS

 

SABLES & AGREGATS, CIMENTERIE:                           CEMEX

                                                                                    LAFARGE

                                                                                    CALCIA

 

CHANTIERS NAVALS:                                                   Chantier naval du nord VAN PRAET

                                                                                     Chantier de la haute seine

                                                                                     Chantier VANDENBOSSCHE

                                                                                     Chantier ROUSSEAU

 

INDUSTRIES :                                                              VEOLIA EAU

                                                                                     TOTAL RAFFINAGE

                                                                                     LE JOINT FRANCAIS

                                                                                     SMF / SMP

                                                                                    

 

CENTRES DE RECHERCHE:                                           EDF CHATOU & MORET SUR LOING

 

ÉTABLISSEMENTS PUBLICS :                                      VOIES NAVIGABLES DE FRANCE

                                                                                    SERVICE NAVIGATION DE LA SEINE

                                                                                    TRIBUNAL DE GRANDE INSTANCE DE NANTERRE

                                                                                    BRIGADE FLUVIALE

                                                                                    DIRECTION GENERALE DE L'ARMEMENT

 

SOCIÉTÉS DE SONDAGE:   SEFI INTRAFOR

                                        ABROTEC

                                        BSC

                                        GEOLIA

                                        GEO WEST

                                        SEMOFI

                                        GEOSONDE

                                        TECHNOSOL