Site Preparation in the
Canton of Obwalden

Melk Durrer AG

Since 1994 · 11–20 empl.

The core activity of Melk Durrer AG is building and providing services in the field of civil engineering, construction, demolition, renovation and real estate management. The company offers a wide range of services, including planning, execution and project management of construction projects, as well as the administration and marketing of real estate.

Honegger-Bau GmbH

Since 2004 · 1–10 empl.

The core activity of Honegger-Bau GmbH is providing services in the field of civil engineering and construction, including consulting, planning and execution of construction projects, particularly in the areas of land correction, excavation, construction of stone walls and snowmaking systems.

Berchtold Sebi Baggerbetrieb GmbH

Since 2007 · 1–10 empl.

The core activity of Berchtold Sebi Baggerbetrieb GmbH is the operation of excavators, i.e. the provision of services in the field of earthmoving, excavation and site preparation with excavators.

Stefan Thalmann AG, Baugeschäft, Ramersberg, Sarnen

Since 1979 · 21–50 empl.·4.0(4)

The core activity of Stefan Thalmann AG is the construction and execution of building projects in various areas, particularly: * Building construction (new buildings, conversions, renovations) * Conversion * Subsoil * Civil engineering * Special civil engineering The company thus offers comprehensive services in the field of construction.

KEBOHR GmbH

Since 2007 · 1–10 empl.·5.0(2)

The core activity of Kebohr GmbH encompasses three main areas: 1. **Core Drilling**: The company offers services in the field of core drilling, where drilling is performed in various materials such as concrete, stone or other solid surfaces. 2. **Construction and Civil Engineering**: Kebohr GmbH also carries out general construction work, including construction and civil engineering, such as building buildings, roads or other infrastructure projects. 3. **Concrete Sawing**: Furthermore, the company offers concrete sawing services, where concrete surfaces are processed or cut to create specific shapes or structures.

buchertiefbau gmbh

Since 1997 · 11–20 empl.·4.7(3)

The core activity of buchertiefbau gmbh includes civil engineering, hydraulic engineering and demolition, particularly with walking excavators and crawler excavators.

SpezWork GmbH

Since 2023 · 1–10 empl.

The core activity of SpezWork GmbH primarily encompasses excavation work, forestry work, and environmental work. Specifically, the company offers the following services: * Excavation work: slope stabilization, wooden box construction, trench and pipeline construction, demolition, excavation work, landscaping and gardening, revitalization and renaturation, water management in agriculture * Forestry work: maintenance and care of forests, felling work, safety logging, forest clearing, revitalization and renaturation of forest areas * Environmental work: nature conservation, landscape maintenance, renaturation, revitalization, ecological upgrading work * Additionally, the company also offers transportation of machines and materials, rental of rental machines, and sale of ema products. The company uses modern technology such as drones for project exploration and surveying and works with strong partners to find optimal solutions for customers.

Grunder Spezialarbeiten GmbH

Since 2017 · 1–10 empl.·3.0(2)

The core activity of Grunder Spezialarbeiten GmbH is civil engineering and the execution of agricultural work.

J. Kathriner GmbH

Since 2016 · 1–10 empl.

J. Kathriner GmbH provides agricultural services, municipal services, transport, and mechanical work. Its activities include baling, mulching, cleaning, bale transport, and related machine-based services for agricultural and municipal applications.

Rolf Windlin AG, Bau und Technik

Since 2025 · 1–10 empl.

Rolf Windlin AG, Bau und Technik provides construction and technical services such as excavation, utility line installation, site works and demolition. The company also performs vehicle and machinery repairs, tyre services, repair of construction and agricultural machinery, and MFK (vehicle inspection) preparation.

Marti Bauunternehmung AG Luzern, Zweigniederlassung Engelberg

Since 2001 · 1–10 empl.

Anliker AG Bauunternehmung

Since 2004 · 1–10 empl.