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Aarvia Bau AG 

Würenlingen · Since 1991

Aarvia Bau AG is a construction company offering a full range of infrastructure services, including road construction, earthwork and demolition, utility and sewer construction, civil engineering and structural repair. The company also provides construction logistics (transport, skip services, suction excavators), material and disposal solutions, recycling and specialized methods such as high-pressure water blasting (GRANJET).

Aarvia Holding AG 

Würenlingen · Since 2016

Aarvia Holding AG is a construction and infrastructure services company offering a comprehensive range of infrastructure works, including road and civil construction, earthworks and site clearance, utility and sewer installation, structural engineering maintenance, as well as construction logistics, transport, materials, recycling and disposal.

Aarvia Immobilien AG 

Würenlingen · Since 1969

Aarvia Services AG 

Würenlingen · Since 1960

Aarvia Services AG is the central services unit of the Aarvia Gruppe, handling group-level functions such as finance and human resources. It provides administrative and organizational support to the group's operating companies.

Andreas Meier & Co AG 

Würenlingen · Since 2021

Andreas Meier & Co AG operates a vine nursery that propagates, grafts and sells grapevines, offering wine grape varieties, rootstocks and company-bred clones. The company also provides planting and machinery services, planning support for new vineyard plantings and hosts industry events.

Elektro-Ingenieur Büro-Wietlisbach AG 

Würenlingen · Since 2003

The core activity of WTAG Wietlisbach AG Elektroingenieure is the design and planning of electrical installations, particularly high and low voltage systems, for various types of construction projects such as new and renovation projects for industrial, commercial, retail, school, special purpose and residential buildings.

fischer design, visuelle Kommunikation 

Würenlingen · Since 2010

The core activity of Fischer Design is visual communication and graphic design, particularly in the areas of corporate design, editorial design, web design, educational material design, illustration and visual appearance. The company offers services such as conception, design and realization of projects in the fields of communication, marketing and advertising.

Hans Künzi AG 

Würenlingen · Since 1985

The core activity of Hans Künzi AG is the management of properties, particularly the rental of apartments and studios.

Haus + Plan Architektur GmbH 

Würenlingen · Since 2000

Haus + Plan Architektur GmbH provides architectural services and project support for new-builds and renovations, notably residential buildings and various construction projects. The firm handles preliminary studies, feasibility assessments, design and execution and can work on a fee basis or as a general contractor, with options for partial services and personal client support.

it solutionCrew gmbh 

Würenlingen · Since 2005

The core activity of the company "it solutionCrew" is the professional conception, implementation and implementation support of business processes through IT Service Management (ITSM) processes, particularly in the area of service and support management. The company supports businesses in optimizing their processes and data analysis to increase customer satisfaction and performance.