| Company | Location |
|---|---|
| BWT Holding GmbH | Mondsee (AT) |
| BWT Austria GmbH | Mondsee (AT) |
| BWT water + more GmbH | Mondsee (AT) |
| Aqua Service Beteiligungen GmbH | Mondsee (AT) |
| BWT Group Services GmbH | Mondsee (AT) |
| BWT Sports & Digital Services GmbH | Mondsee (AT)) |
| Arcana Pool Systems GmbH | Gerasdorf (AT) |
| P & LS Holding GmbH | Mondsee (AT) |
| BWT Wassertechnik GmbH | Schriesheim (DE) |
| FUMATECH BWT GmbH | Bietigheim-Bissingen (DE) |
| BWT water + more Deutschland GmbH | Wiesbaden (DE) |
| BWT Pool Products GmbH | Großzöberitz (DE) |
| BWT Pharma & Biotech GmbH | Bietigheim-Bissingen (DE) |
| BWT France S.A.S. | St. Denis (FR) |
| BWT Belgium nv/sa | Zaventem (BE) |
| BWT Nederland BV | Waddinxveen (NL) |
| BWT UK Limited | High Wycombe (GB) |
| BWT Danmark A/S | Greve (DK) |
| BWT (Seychelles) Limited | Victoria (SC) |
| HOH Seychelles Desalination Company Limited | Victoria (SC) |
| BWT Vattenteknik AB | Malmö (SE) |
| BWT Birger Christensen AS | Asker (NO) |
| BWT Separtec OY | Raisio (FI) |
| BWT Pharma & Biotech AB | Malmö (SE) |
| BWT Italia S.R.L. | Mailand (IT) |
| BEST WATER TECHNOLOGY Ibérica S.A. | Barcelona (ES) |
| ATH Aplicaciones Tecnicas Hidraulicas, S.L. | Barcelona (ES) |
| BWT AQUA AG | Aesch (CH) |
| BWT Hungaria KFT | Budaörs (HU) |
| Mimo Park Kft | Budaörs (HU) |
| BWT Polska Sp.z.o.o. | Warschau (PL) |
| LLC River Group | Minsk City (BEL) |
| TOO Barrier-Ukraine | Kiev (UA) |
| BWT Ceska Republika s.r.o. | Prag (CZ) |
| OOO BWT | Moskau (RU) |
| AO "BWT BARRIER RUS" | Balashikha (RU) |
| BWT Water Technology (Shanghai) Co. Ltd. | Shanghai (CN) |
| BWT Haier Drinking Water Technology Co. Ltd. | Qingdao (CN) |
| BWT Taiwan | Taipei-City (TW) |
| BWT (Hongkong) Consumer Ltd. | Hongkong (CN) |
| BWT (Shenzen) Water Purifikation | Shenzen (CN) |
| CP Shenzhen ChengPing Life | Shenzen (CN) |
| BWT China (Trading) Co.Ltd. | Shanghai (CN) |
| BWT Australia | Melbourne (AUS) |
| BWT Africa | Johannesburg (ZA) |
| Aquatron Robotic Technology Ltd. | Israel (ISR) |
| ECOSOFT Holding GmbH | Mondsee (AT) |
| ECOSOFT Ukraine | Kiev (UA) |
| ECOSOFT Deutschland | Nettetal (GER) |
| Kokido Development Ltd. | Hongkong (PRC) |
| Ningbo KDC Trading Co. Ltd. | Ningbo (PRC) |