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ABOUT US
We about us
MANAGEMENT
Memberships
History of Development
QUALITY ASSURANCE
SERVICES
Our Services
WATER SUPPLY
URBAN DRAINAGE AND SEWERAGE
WASTEWATER TREATMENT
HYDRAULIC ENGINEERING
STRUCTURAL AND CIVIL ENGINEERING
ENVIRONMENTAL SECTOR
ENERGY
INDUSTRIAL ENVIRONMENTAL TECHNOLOGY
Project Management and Client Consulting
Locations
Berlin
CHEMNITZ
DRESDEN
Hamburg
Hausach
HOHENTENGEN
Merklingen
Moers
Stuttgart
Trier
News
All News
Media Coverage
Career
Holinger Group
The Holinger Group
AQUA-SYSTEM AG
ENERSYS SCHWEIZ GMBH
ENVILAB AG
HOLINGER SA (LUXEMBOURG)
HOLINGER AG (SWITZERLAND)
HOLINGER International Consultants GmbH
iat Ingenieurberatung GmbH
Mauler AG
TK Consult AG
DOWNLOADS
ANNUAL REPORTS
BROCHURES
ABOUT US
We about us
MANAGEMENT
Memberships
History of Development
QUALITY ASSURANCE
SERVICES
Our Services
WATER SUPPLY
URBAN DRAINAGE AND SEWERAGE
WASTEWATER TREATMENT
HYDRAULIC ENGINEERING
STRUCTURAL AND CIVIL ENGINEERING
ENVIRONMENTAL SECTOR
ENERGY
INDUSTRIAL ENVIRONMENTAL TECHNOLOGY
Project Management and Client Consulting
Locations
Berlin
CHEMNITZ
DRESDEN
Hamburg
Hausach
HOHENTENGEN
Merklingen
Moers
Stuttgart
Trier
News
All News
Media Coverage
Career
Holinger Group
The Holinger Group
AQUA-SYSTEM AG
ENERSYS SCHWEIZ GMBH
ENVILAB AG
HOLINGER SA (LUXEMBOURG)
HOLINGER AG (SWITZERLAND)
HOLINGER International Consultants GmbH
iat Ingenieurberatung GmbH
Mauler AG
TK Consult AG
DOWNLOADS
ANNUAL REPORTS
BROCHURES
In diesem Bereich
The Holinger Group
AQUA-SYSTEM AG
ENERSYS SCHWEIZ GMBH
ENVILAB AG
HOLINGER SA (LUXEMBOURG)
HOLINGER AG (SWITZERLAND)
HOLINGER International Consultants GmbH
iat Ingenieurberatung GmbH
Mauler AG
TK Consult AG
AQUA-SYSTEM AG
aqua-System ag
Im Hölderli 26
CH-8405 Winterthur
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+41 79 430 42 42
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+41 52 260 59 01
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