Memberships
- European Association for Ductile Iron Pipe Systems EADIPS / Specialist community cast pipe systems (FGR) e.V.
- GSK
(Quality association for heavy duty corrosion protection of armatures and fittings by an powder coating e. V. )
- DVGW German society of gas and water industry e.V.-
Technical scientific society
- ÖVGW (Austrian association for gas and water industry)
- BDG - Federal association of the german foundry industry
- DIN (German institue of standardization e.V.)
- Association of water supply and sewage companies
- Bundesvereinigung der Firmen im Gas- und Wasserfach e. V.
Technical scientific society
- VEA Federal association of power-consumers e.V.
- Fachverband Feldberegnung e.V.