| E-CASSINI |
| E-GEE |
| EAS |
| EAU DU BASSIN RENNAIS |
| EAU DU MORBIHAN |
| EAU ET RIVIERES DE BRETAGNE |
| EBARA PUMPS EUROPE |
| EFS / Village Innovation |
| EGDC |
| EHTP |
| EHTP REHACANA / Les Canalisateurs |
| EIE |
| EJ |
| ELECTROSTEEL |
| ELOY WATER |
| ELYDAN |
| EMEC FRANCE |
| EMO |
| EMPLOI-ENVIRONNEMENT |
| ENDRESS+HAUSER |
| ENECO DISTRIBUTION |
| ENGEES |
| ENVIROSEP |
| EOS&ESRIFRANCE |
| ETANDEX |
| ETEMI Robinetterie |
| ETSE |
| EUREKA INDUSTRIES |
| EUROPELEC |
| EUROTEC DEVELOPPEMENT |
| EVOQUA |
| EXTRALAB / Village Innovation |
