Civil works in
Appenzell

Langenegger AG, Hoch- und Tiefbau

Since 1977 · 1–10 empl.

The core activity of Langenegger AG is the execution of construction and civil engineering works, particularly in the areas of new buildings, renovations, plastering and exterior insulation. The company primarily offers its services in the Appenzell region and specializes in carrying out construction projects for private clients and architects.

Koch AG, Strassen- & Tiefbau, Kies & Beton

Since 1993 · 101–500 empl.

Koch AG, Strassen- & Tiefbau, Kies & Beton provides road and civil engineering services, transport solutions and the production of gravel and concrete products. It operates a quarry, a gravel and concrete plant and landfills, and offers waste management, recycling services and project planning for construction works.

Eggenberger Tiefbau GmbH

Since 2006 · 1–10 empl.

Eggenberger Tiefbau GmbH provides civil engineering and road construction services as well as exterior landscaping works, including excavation, sewer and utility installation, paving and retaining walls.

Meier Bau Appenzell

Since 2015 · 1–10 empl.

Meier Bau Appenzell is a construction firm offering masonry work, civil and excavation services, site/landscaping works and maintenance, as well as renovation and extension projects.

Franz Manser AG

Since 1987 · 11–20 empl.·5.0(1)

Franz Manser AG is a construction company specialising in road construction, civil engineering and landscaping. Its services include asphalt work, earthworks and sewer construction, as well as demolition, railway track work, blasting, skip hire, crane services and transport.

Aeschbacher Tiefbau AG

Since 1989 · 1–10 empl.·5.0(1)

The core activity of Aeschbacher Tiefbau AG includes the execution of road and civil engineering works, demolitions of all kinds, special civil engineering works, as well as pit service.

Koller Tiefbau

Since 2026 · 1–10 empl.

Fuster Tiefbau AG

Since 2013 · 1–10 empl.