Europe: Water & Wastewater Technic WWT GmbH

1: Germany.
2: Europe.
- 2.1: Austria.
- 2.2: Switzerland.
- 2.3: Netherlands.
- 2.4: England.
- 2.5: Poland.
- 2.6: Czech Republic.
- 2.7: Russia.
- 2.8: Croatia.
- 2.9: Slovakia.
- 2.10: Romania.
- 2.11: Ukraine.