Civil Engineering in the
Canton of Appenzell Outer Rhodes

45 companies in Civil Engineering based in the Canton of Appenzell Outer Rhodes — name and year of registration from the commercial register. The list below shows them all.

Companies

All 45 companies in the Canton of Appenzell Outer Rhodes

Alder Bau AG

Since 1965 · 1–10 empl.4.7(63)

Alder Bau AG provides construction services such as demolition, hazardous-material removal, earthworks and civil engineering; it also offers transport services (heavy and material transport, container services) and waste disposal and recycling via a disposal yard.

Civil EngineeringCivil engineeringEarthworksDemolition

Koch Strassen- & Tiefbau AG Gais

Since 1984 · 101–500 empl.

Koch Strassen- & Tiefbau AG Gais provides road and civil engineering services and operates aggregate and concrete production with quarry and recycling facilities. The company also offers transports, skip (mulden) services, demolition, landfill/repository management and delivery of construction materials including concrete pumping.

Civil EngineeringRoad and Civil EngineeringDemolitionRailway Track Construction

Ernst Künzler AG Hoch- und Tiefbau Walzenhausen

Since 1989 · 1–10 empl.

The core activity of Ernst Künzler AG is the execution of construction and renovation work, including masonry, conversions, renovations, excavation and crane services as well as civil engineering and construction.

Building ConstructionConstruction contractorConversionRenovation

KIBAG Bauleistungen AG

Since 2002 · 11–20 empl.

KIBAG Bauleistungen AG carries out road construction, civil engineering and demolition works. The branch provides contact details and local project services for these activities.

Civil EngineeringRoad constructionCivil engineeringDismantling

Cellere Bau AG

Since 2010 · 51–100 empl.

Cellere Bau AG is a construction company offering road and civil engineering, structural repair and building renovation services. Its activities include repair and reinforcement of concrete structures, new-build and renovation projects, and project execution across those areas.

Civil EngineeringRoad and civil engineeringRehabilitationGeneral contractor

Klarotec GmbH

Since 2011 · 1–10 empl.

Klarotec GmbH provides asbestos remediation, contaminant analysis, and consulting, planning and training services for building remediation. Services include sampling and analysis in approved asbestos laboratories, preparation of remediation concepts, work and disposal plans, and occupational safety measures.

Building MaintenanceAsbestos remediationAsbestos inspectionConsulting

Mazenauer Bau AG

Since 2013 · 1–10 empl.

Mazenauer Bau AG provides construction management and site supervision for road and civil engineering projects, offering planning, quantity surveying, cost estimates, measurement control and rehabilitation consulting.

Civil EngineeringConstruction managementConstruction monitoring and project settlement

Cellere Bau AG

Since 2015 · 51–100 empl.

Cellere Bau AG is a construction services company providing road and civil engineering, structural repair and restoration, and general building services. It is part of the Cellere group and delivers planning and execution for infrastructure, renovation and building projects.

Civil EngineeringRoad and civil engineeringRehabilitationBuilding contractor works

Bruno Brunner GmbH

Since 2017 · 1–10 empl.

The core activity of Bruno Brunner GmbH encompasses the planning, construction and maintenance of geothermal, well construction and spring catchment systems. This includes specific services such as drilling consulting, pipeline construction, pipeline routing, inspection, cleaning and the search for water sources using radiesthesia.

Civil EngineeringWell construction / pipe constructionGeothermal energy / technical site managementWater intakes / spring intakes

Cellere Bau AG

Since 2017 · 51–100 empl.

Cellere Bau AG is a construction company providing general contracting services in building construction, road and civil engineering, and structural repair. The company carries out renovations and infrastructure restoration with concrete expertise and applies digital construction processes such as BIM in selected projects.

Civil EngineeringRoad and civil engineeringRepairs and rehabilitationGeneral contractor

Rusch Bau AG

Since 2018 · 51–100 empl.

Civil Engineering

Albert Mohn Baugeschäft

Since 2012 · 1–10 empl.5.0(6)

The core activity of Albert Mohn Baugeschäft is the execution of construction and civil engineering works, particularly in the areas of masonry, natural stone and exposed brickwork, exposed concrete and composite stones.

Building ConstructionBuilding and civil engineering workMasonry work and customer masonry workConcrete work and exposed concrete

Waldburger Montagen GmbH

Since 2018 · 1–10 empl.

The company provides services in the field of stainless steel, particularly high-level welding seams, and has a modern vehicle fleet. It is likely a company specialized in metal processing, particularly welding works.

Civil EngineeringPipework constructionPlant engineeringMetal fabrication

Preisig AG, Bauunternehmung

Since 2002 · 21–50 empl.4.2(6)

Preisig AG, Bauunternehmung is a construction company focused on civil engineering and road construction, also offering customer works and construction-material recycling. The company manages projects from client consultation and design through to execution and serves private clients, public authorities and supports architects and engineering offices.

Civil EngineeringCivil engineering

Andreas Graf AG

Since 2009 · 1–10 empl.5.0(6)

The core activity of Andreas Graf AG is construction and civil engineering, particularly providing services in the field of construction, housing, stonework and environment, including masonry, plastering, road construction and all-rounder works.

Building ConstructionBuilding constructionCivil engineeringExterior works

BRUNNER Baggerarbeiten GmbH

Since 2020 · 1–10 empl.

BRUNNER Baggerarbeiten GmbH carries out excavation, sewer and utility-line works, provides demolition services and implements exterior landscaping, including stone walls, paved areas and concrete road installation.

Civil EngineeringCivil engineeringDemolitionOutdoor areas

A. Schläpfer GmbH

Since 2012 · 1–10 empl.5.0(1)

The core activity of A. Schläpfer GmbH encompasses the following services: Excavator operations, Transportation, Forestry work, Winter maintenance, Earthworks (deep foundation and excavation work, laying of pipes, creation of retention and environmental work), Building demolition in accordance with cantonal guidelines, and Sale of firewood (via the Schitt-Shop). Thus, the company offers a wide range of services in the fields of construction, forestry, and winter maintenance.

Civil EngineeringCivil engineeringTransportForestry work

Bagger Forrer AG

Since 2003 · 1–10 empl.3.8(5)

The core activity of Bagger Forrer AG includes the execution of earth and civil engineering works, in particular: drainage systems, slope stabilization, sewerage, pipeline construction, site transport, site preparation, retaining walls, demolition, excavation, spring catchments, and environmental works. The company offers these services to private individuals, municipalities, water and electricity utilities, and has its own machinery fleet as well as a network of specialized partners.

Civil EngineeringCivil engineering and site preparationExcavationDrainage and spring capture

Hörler Tiefbau AG

Since 2008 · 11–20 empl.5.0(5)

Hörler Tiefbau AG is a civil engineering company that carries out road and civil works including excavation with construction pit shoring, road construction, sewers, water engineering, demolitions and landscaping. The company also produces concrete, supplies aggregates, organises concrete transport and pumping, and operates a landfill concept for inert excavation materials.

Civil EngineeringCivil engineering and road construction worksConcrete products and concrete transportLandfill for clean excavated material

Strässle GmbH

Since 2012 · 1–10 empl.5.0(2)

The core activity of Strässle GmbH is road and civil engineering, including various specific services such as demolition work, excavation and filling work, paving work, environmental work, utility construction, freelance work, construction equipment rental and winter maintenance.

Civil EngineeringRoad constructionCivil engineeringDemolition

Glunk Natursteinpflästerungen GmbH

Since 2023 · 1–10 empl.5.0(8)

The core activity of Felix Glunk Natursteinpflästerungen is the creation of edge finishes for roads and the manufacture of surface paving of all kinds, such as arch, row, scale and wild paving.

Civil EngineeringNatural stone pavingRoad edge restraints

Franz Manser AG

Since 2002 · 11–20 empl.5.0(1)

Franz Manser AG is a construction company active in road building, civil engineering and landscape design. It also provides specialist services such as track work, blasting, demolition, snow clearing, waste disposal, container service, crane work and transport.

Civil EngineeringCivil engineeringRoad constructionGarden design

Graf Bau Rehetobel AG

Since 2012 · 1–10 empl.5.0(2)

The core activity of Graf Bau Rehetobel AG encompasses the provision of construction services in building construction and civil engineering, including: Building construction: Construction of buildings, both residential and commercial, using exposed concrete or masonry. Civil engineering: Execution of excavation work, pipeline construction, retaining walls, sewage systems and other civil engineering work. Renovation: Planning and execution of renovation projects. Demolition: Dismantling of buildings and facilities. Earthworks: Execution of earthworks, including excavation work and other civil engineering work. Additional services: Customer-specific masonry work, snow removal, transportation and crane work. The company positions itself as a reliable partner in building construction and civil engineering, offering a wide range of construction services.

Building ConstructionBuilding constructionCivil engineeringRenovation and extensions

Schefer Hoch- und Tiefbau AG

Since 2006 · 1–10 empl.5.0(1)

Schefer Hoch- und Tiefbau AG provides consulting and building and civil engineering services. Work listed on the website includes excavation, demolition and dismantling, new construction and renovations, roadworks, sewer and drainage works, embankment and stream stabilization, and masonry and cellar repairs.

Building ConstructionConsultingExcavationDemolition and dismantling

Preisig Tiefbau - Forstbetrieb AG

Since 2022 · 1–10 empl.4.3(3)

Preisig Tiefbau - Forstbetrieb AG provides civil engineering and forestry services, including excavation and earthworks, slope and stream stabilisation, core drilling and trenchless pipe installation, as well as specialist tree felling with timber recovery and disposal.

Civil EngineeringCivil engineeringDismantlingForestry work

OPMOVA AG

Since 2026 · 1–10 empl.

OPMOVA AG is a company for construction management and building services. It plans, coordinates and delivers infrastructure projects such as utility lines, roads, demolition and other operational construction services.

Management ConsultingConstruction Management & Site SupervisionOperational Construction Services & DemolitionProject & Rollout Management

Eugster Strassen- & Tiefbau GmbH

Since 2025 · 1–10 empl.

Eugster Strassen- & Tiefbau GmbH is a construction company focused on road construction and civil engineering work. The website provides contact details, but no further information about services or projects is shown.

Civil EngineeringRoad constructionCivil engineering

No score yet AA

AEMISEGGER AG Bauunternehmung

Since 1993 · 1–10 empl.

Civil Engineering

No score yet KB

KIBAG Bauleistungen AG

Since 2002 · 1–10 empl.

Civil Engineering

No score yet RE

Rusch Erdbewegungen GmbH

Since 2002 · 1–10 empl.