Specialized Construction Activities

Limmattal Bohren und Fräsen GmbH 

Urdorf · Since 2022

Limmattal Bohren und Fräsen GmbH provides precision concrete drilling and cutting services, including core drilling, deep drilling, wall sawing, wire sawing and floor sawing. The company also carries out renovation, gutting and refurbishment works and uses modern equipment and trained personnel for construction projects.

Lindner Seilzugangstechnik 

Herrliberg · Since 2023

The core activity of Lindner Seilzugangstechnik is to provide services in the field of rope access technology, particularly in the areas of: Rigging, Mountain construction sites, Tree climbing, Height work, Fall protection, and Inspection of personal protective equipment. The company offers individual and personalized solutions for customers who need to perform work at hard-to-reach locations.

Lingel Fenster und Türen GmbH 

Kreuzlingen · Since 2008

The core activity of Lingel Fenster und Türen GmbH is the manufacture and distribution of windows and doors, particularly energy-efficient window systems such as GENEO, with a focus on thermal insulation, soundproofing, burglary protection and increasing the value of real estate.

LiNK+FiLLi KONSERVIERUNG RESTAURIERUNG GmbH 

Niederlenz · Since 2007

The core activity of LiNK+FiLLi GmbH is the conservation and restoration of historical architectural surfaces, wall paintings, art in architecture and other cultural assets. This also includes specialized services such as gilding, reconstructions, historical painting techniques and plastering. The company also offers high-quality painting and decorative painting work, concrete cosmetics and conservation, as well as maintenance work.

Lionel MARTIN 

Vallorbe · Since 2003

The company's core activity is the provision of services in the field of construction and renovation work, particularly in the areas of plastering, painting, insulation and decoration. The specific services include: insulation with natural materials, wall cladding with clay, production of decorative images in mass or as a commission, application of decorative plasters based on lime, including Tadelakt, lime ferrite, lime plaster and paint, and application of plant-based paints. The company offers these services for renovation and construction projects.

Locamex Sàrl 

Geneva · Since 2022

The core activity of Locamex is the detection and repair of leaks in pools and swimming pools, particularly using non-invasive methods such as electro-induction, gas-tracer technology and camera inspection. This also includes diagnostic services such as checking the tightness of filter systems, pool basins and sewage pipes, as well as locating underground pipes and cables before building a pool system.

LOFAtech AG 

Stans · Since 2020

The core activity of LOFAtech AG is the planning, installation and maintenance of fiber optic cables (FTTH) and the replacement of smart meters for energy suppliers. This includes specific services such as feasibility studies, development concepts, installations within buildings, fiber optic splicing, measurements and the connection of electricity meters.

Lorenz Energie AG 

Mühlrüti · Since 2024

Lorenz Energie AG designs and installs complete photovoltaic systems and provides energy optimization, storage solutions and scaffolding services. The company offers project-specific consultation and plans installations taking site conditions and customer requirements into account.

LSA-Technik AG 

Menznau · Since 2021

The core activity of LSA-Technik AG is the consulting and sales of silo covers made of Swiss wood with sandwich panels and Eternit, as well as the manufacture and sales of various cover forms for slurry silos, such as CENO high silo roof, floating cover, Matrix roof, Variax roof (concrete hollow elements) and wood roof sandwich. Additionally, the company also offers the creation of stainless steel containers and silo extensions.

LSF AG 

Gossau Zh · Since 2006

LSF AG is a plastering company offering interior and exterior plastering, drywall, fire-protection cladding, facade insulation and renovation services. The firm carries out on-site plastering works across these areas and provides client consultation and project coordination.

LT Gruppe AG 

Wil Sg · Since 2016

The core activity of LT GRUPPE AG is the provision of services in the construction industry, particularly in the areas of: building insulation, plastering, facade insulation, renovation, special plasters, stucco work, acoustic walls and ceilings, drywall construction, and painting. The company thus offers a comprehensive range of services for the construction and real estate industry.

Lüthi.ac GmbH 

Boltigen · Since 2019

The core activity of Lüthi.ac GmbH encompasses the provision of services in the field of building envelopes and interior finishing, specifically: interior and exterior thermal insulation, plastering and gypsum work, painting and color design, drywall and lightweight wall construction, wood facade renovation and wood preservation, decorative techniques and general painting work. The company thus offers a comprehensive range of services for the renovation, conversion and new construction of buildings, both in the interior and exterior areas.

MAD inoxial SA 

Grolley · Since 2020

The core activity of MAD inoxial SA is the construction and renovation of stainless steel swimming pools.

Mad-Work Sàrl 

Oulens-Sous-Echallens · Since 2023

Mad-Work Sàrl provides construction services and executes building projects, emphasizing precision, durability, use of sustainable materials and client-focused communication.

Magic Deumidificazioni Sagl 

Mezzovico · Since 1994

The core activity of Magic Deumidificazioni SAGL is the execution of non-invasive dehumidification and drying works, particularly in cases of water damage and moisture damage to buildings. This includes the analysis and repair of damage, the installation of dehumidification systems and fans, as well as the execution of drying works in isolated areas, such as floors. The company also offers the sale and rental of dehumidification equipment and fans.

Magic-Stores Sàrl 

Chêne-Bourg · Since 2010

The core activity of Magic Stores is the manufacture, installation and repair of various types of awnings, including electric or manual arm awnings, basket awnings, canvas awnings, terrace awnings, mosquito nets, roller shutter awnings, slat awnings and stackable awnings. The company also offers a customization option for awnings with individual measurements and materials.

MAM Entfeuchte- und Wassertechnik GmbH 

Klosters Dorf · Since 2025

MAM Entfeuchte- und Wassertechnik GmbH provides technology and services for building drying and remediation of moisture damage. Offerings include cause analysis and moisture measurements, installation of drying systems (including the electromagnetic 'Entfeuchtungs-Perle'), monitored drying with data recording, and equipment and drying guarantees.

manufactur GmbH 

Solothurn · Since 2006

The core activity of manufactur encompasses two main areas: 1. Scenography: The company offers services in the field of scenography, which includes the design of spaces, surfaces, and atmospheres for various occasions and purposes. This can range from developing color concepts for houses to designing event spaces. 2. Stonemasonry and sculpting: The company also offers services in the field of stonemasonry and sculpting, which includes the processing and design of stone for various purposes. This can range from restoring fountains and brick walls to manufacturing tombstones.

Marco Marugg, Cheminée- und Ofenbau 

Klosters · Since 2002

Marco Marugg, Cheminée- und Ofenbau is a craftsman firm that designs, constructs and services chimneys and stoves. Listed as a Rüegg Studio partner, it sells and installs Rüegg fireplace products and provides consultation, installation and after-sales service.

Marco Micheli 

Cham · Since 2020

The core activity of Marco Micheli is the provision of services in the construction industry, particularly in the areas of plastering, masonry and Naturofloor (a special type of flooring). The company offers customer care, preliminary work and specialized expertise for construction projects.