| Evers | Filter materials: activated carbon, anthracite, quartz sand, basalt, zeolit, silica gel etc |
| Jesco | Dosing equipment: dosing pumps and accessories, chlorine dosing, chlorine dioxid, chemical centrifugal pumps, measuring and control |
| Trojan | UV disinfecting |
| Vetter | Sealing bags and lifting bags |
| Hermetica | Repairing pipes |
2015-01-31