Specialist foundation engineering in
Sarnen

Elektro Furrer AG

Since 2003 · 11–20 empl.·5.0(17)

Elektro Furrer AG is an electrical engineering company that provides electrical installations, electrical planning, switchgear, building automation, renewable energy and e‑mobility services. The company also performs maintenance and electrical inspections, offers IT and multimedia solutions and operates a 24‑hour emergency service.

Eberli Anlagen AG

Since 2018 · 21–50 empl.·4.1(35)

Eberli Anlagen AG is a construction and real estate services company offering project development, construction execution (total and general contracting) and renovation services. Its services include site and market analyses, investment planning, property marketing, buyer support and portfolio management.

Halter & Colledani AG

Since 1996 · 11–20 empl.

Halter & Colledani AG provides painting, plastering and design services, with a focus on surfaces, colours and interior finishes. Its portfolio includes seamless coatings, drywall construction, fire protection, insulation and façade work.

Premoco System AG

Since 2003 · 11–20 empl.

The core activity of Premoco System AG is the planning, manufacture and assembly of modular buildings made of concrete, wood and metal for infrastructure and industrial construction, including the production of concrete elements, transport and assembly. The company offers a comprehensive system building solution that also includes planning and construction management, building services installations and other areas.

Trauffer AG Bautenschutz

Since 2013 · 1–10 empl.

Trauffer AG Bautenschutz provides building protection services, including surface protection, floor coatings and fire-protection coatings for structures, buildings and infrastructure. Applications include tunnels, bridges, car parks and industrial facilities.

Trauffer Coating AG

Since 2017 · 1–10 empl.

Trauffer Coating AG provides building-protection services, including surface protection, floor coatings, fire protection, and painting and plastering work.

Walter Sigrist AG

Since 2003 · 1–10 empl.·5.0(3)

Walter Sigrist AG provides services including concrete drilling and milling, installation of cable systems and traffic signal equipment, induction loop installation and fiber‑optic (LWL) technology; the company also performs montages and work using lifting platforms.

Sigrist Walter, Fräs + Montage, Kabelanlagen AG

Since 2011 · 1–10 empl.·5.0(3)

Sigrist Walter, Fräs + Montage, Kabelanlagen AG provides concrete drilling and milling and induction loop milling. It also performs assemblies and installs cable systems, traffic signal systems and fiber-optic (LWL) technology.

Simplux Systeme AG

Since 2017 · 11–20 empl.·1.0(1)

Simplux Systeme AG develops the CARO system for fitting windows and doors in sandwich-panel construction, serving industrial, commercial and residential building projects. Its services also include windows, doors and shading systems, along with consultation, planning and installation.

Wolfisberg Metallbau AG

Since 2025 · 1–10 empl.

Wolfisberg Metallbau AG plans, manufactures and installs metal construction solutions for doors and gates, railings, stairs, façades, shop windows, as well as canopies and shelters. The company also provides repair and maintenance services and specialised locksmith work.

Simplux GmbH

Since 2023 · 11–20 empl.·1.0(1)

Fp Ankerprüfung Durrer AG

Since 2011 · 1–10 empl.

The core activity of Fp Ankerprüfung Durrer AG is the testing of anchors, particularly in the construction industry.