| 1H2O3 / CPO (8 - 5) |
| 1SPATIAL (8 - 86) |
| 3D EAU - GROUPE ALCOM (8 - 103) |
| A3C INGENIERIE (4 - 98) |
| ABB FRANCE (5 - 79) |
| ABRITEC (5 - 39A) |
| ACO (4 - 77) |
| ACTEMIUM (5 - 76) |
| ACWA ROBOTICS (8 - 91) |
| ADG (5 - 163) |
| ADM CONSEIL (5 - 40A) |
| ADRE RESEAUX (3 - 68) |
| AEOS (5 - 190) |
| AFITEXINOV (4 - 66) |
| AGENCE DE L'EAU (5 & 8 - 131 & 1) |
| AGRU (5 - 196) |
| Agru environnement France (4 - 43) |
| ALFAA FRANCE UV (4 - 56) |
| ALGAVI EAUX (4 - 100) |
| ALIAXIS (7 - 34) |
| ALKERN / VILLAGE BETON (4 - 110 A) |
| ALL PRODUCTS (4 - 13B) |
| ALTEREO (5 - 105) |
| ALTERO TP (8 - 39) |
| AMIBLU (7 - 97) |
| ANDRITZ (8 - 64) |
| AOTEC ETUDES ET CONSEIL (4 - 45) |
| APEI (5 - 42) |
| API-PLASTIQUES (4 - 70) |
| APPCB (5 - 96) |
| APRO INDUSTRIE (7 - 102) |
| AQUA MESURE (8 - 102) |
| AQUA-VALLEY / VILLAGE INNOVATION (8 - 108) |
| AQUALABO (8 - 107) |
| AQUALIA (3 - 42) |
| AQUANOVA / VILLAGE INNOVATION (8 - 108) |
| AQUASSYS DOL FORAGE (4 - 69) |
| AQUASYS (5 - 156) |
| AquaTech Innovation / VILLAGE INNOVATION (8 - 108) |
| AQUATIRIS (4 - 54) |
