Site Preparation

Heim Bohrtechnik AG 

Altstätten Sg · Since 2006

The core activity of HEIM Bohrtechnik AG is the planning and execution of geothermal drilling and well drilling, particularly for the extraction of geothermal energy. The company offers consulting, planning and execution of drilling services to extract geothermal energy for buildings.

Peter Schmid Baudienstleistungen 

Affoltern Am Albis · Since 2007

Peter Schmid Baudienstleistungen provides transport, waste disposal and recycling services, construction services, and gravel and natural stone trading. Offerings include container services (Muldenservice), pickup services, transport logistics, demolition, excavation and utility/civil engineering works.

Peter Schmid Baudienstleistungen AG 

Affoltern Am Albis · Since 2018

Peter Schmid Baudienstleistungen AG offers transport, waste disposal and recycling services, construction works, and trading of gravel and natural stone.

Botteron Démolition Sàrl 

Savagnier · Since 2022

Stamm Bau AG 

Arlesheim · Since 2006

The core activity of Stamm Bau AG is the provision of comprehensive construction and real estate services, including planning, consulting, renovation, refurbishment, façade construction, metal and steel construction, carpentry, painting, plastering, parquet and flooring work, as well as hazardous substance remediation. The company also offers overall services as a general or total contractor, where it carries out projects from development to realization.

Lötscher Tiefbau AG 

Lucerne · Since 1958

The company's core activity is the construction and maintenance of infrastructure projects, particularly in the areas of civil engineering, road construction, earthworks and demolition. This includes, among other things: road construction, sewer and pipeline construction, sports field construction, engineering deep foundation work, pavement construction, hydraulic engineering, environmental work, and earthworks (excavation technology, soil stabilization, landfill and soil improvement, contaminated site remediation, demolition). The company offers these services as a full-service provider and focuses on the planning, execution and maintenance of infrastructure projects.

Hans Grieder AG, Aushub und Tiefbau 

Tecknau · Since 1980

The core activities of Hans Grieder AG include the following areas: Civil Engineering: Execution of construction projects in the field of civil engineering, including small works and large contracts. Skip Service: Rental of skips in various sizes for environmentally friendly disposal of materials. Environmental Works: Execution of works in the field of environmental design, including gardening and natural stone processing. Waste Disposal: Disposal of waste, including sorting and recycling. Demolition: Demolition of objects, including preparation of materials for reuse. The company offers these services to private and business customers and emphasizes quality, experience, and competitive prices.

Schenk AG Heldswil 

Heldswil · Since 1989

The core activity of Schenk AG Heldswil encompasses a wide range of services in the construction and infrastructure sector, particularly: drilling, civil engineering, road construction, pipeline construction, mechanical engineering, location services, planning and surveying, and pipe bursting. The company thus provides comprehensive solutions for construction projects, from planning and surveying to the execution and maintenance of infrastructure projects.

Künzli AG 

Gossau Zh · Since 2024

Künzli AG is a construction company providing building construction, civil engineering, customer service (renovation/repair) and subfloor systems. Its services include new building construction, demolition and excavation, utility and sewer works, renovations, and the installation and finishing of subfloors; the company uses modern equipment and maintains external ISO 9001 certification.

Bächler Bau GmbH 

Bünzen · Since 2020

The core activity of Bächler Bau GmbH is the provision of services in the field of construction, particularly in the areas of new construction, renovation, refurbishment and core drilling.

Ridis Generalunternehmung GmbH 

Kaiseraugst · Since 2022

The core activity of RIDIS GmbH is the provision of services in the construction industry, particularly in the areas of: * Painting work (façades, walls, ceilings, wood) * Plastering work (rendering, smooth surfaces) * Façade renovation (protection and aesthetic enhancement of properties) * Scaffolding construction * Flooring (installation of laminate, parquet, vinyl, etc.) * Drywall construction (room design with partition walls and ceiling cladding) The company offers these services to private and commercial customers and accompanies construction projects from the initial idea to completion.

Früh Tiefbau GmbH 

Krummenau · Since 2000

Früh Tiefbau GmbH provides civil engineering and earthworks services as an independent small contractor. Its offerings include installation of underground utilities, spring capture, excavation, construction of small access roads, landscaping and garden works, interlocking stone surfaces, demolition and renovation work.

Gebr. Jetzer Hoch- und Tiefbau AG 

Schnottwil · Since 1996

The core activity of Gebr. Jetzer AG encompasses various services in the construction sector, particularly: earthworks, road construction, pipeline and drainage construction, hydraulic engineering, water supply, transportation and muck-away services, excavator taxi and suction excavator services. Thus, the company offers a wide range of services in the fields of civil engineering and construction.

Epiney Construction SA 

Sierre · Since 2012

The core activity of Epiney Construction SA is the provision of services in the field of construction and engineering, particularly in the areas of: civil engineering (e.g. road construction, bridge construction, sewerage), building construction, and special works. The company offers a wide range of services, including planning, execution and management of construction projects, with a focus on quality, safety, scheduling and cost planning, as well as sustainability.

Erne Bau AG 

Egerkingen · Since 1983

Erne Bau AG is a construction company that operates as a builder and as a general and total contractor, providing main construction services including building construction, civil engineering, renovation, conversion and property maintenance.

Rofra Bau AG 

Aesch Bl · Since 2010

The core activity of ROFRA encompasses the following areas: construction, civil engineering, renovation, hazardous substance remediation, construction management, real estate development, and rental and sale of residential and commercial properties. The company provides comprehensive services in key areas of the construction industry and develops innovative residential and commercial projects.

Staba-Bau AG 

Binz · Since 2001

Eberhard AG 

Rheinfelden · Since 1984

Eberhard AG provides construction and environmental services, including civil engineering, demolition, and contaminated-site remediation, together with logistics and suction-technology services. The company also produces and processes building materials such as concrete and aggregates, including recycled materials, and offers transport and disposal services.

Addor AG, Tiefbau und Transporte 

Gstaad · Since 2023

The company's core activities include the areas of civil engineering, transportation, demolition, raw material processing, road construction and winter services. Specifically, the company offers the following services: management of quarries and gravel washing plants, production of concrete and gravel, implementation of projects in the fields of civil engineering, earthworks, water construction, environmental design, road and pipeline construction, assumption of seasonal assignments for municipalities and private individuals, particularly winter services, and logistical orders of any dimension. The company is a family-owned business, run by the third generation, which places emphasis on quality, flexibility and customer proximity.

Handwerker Allround GmbH 

Ebmatingen · Since 2003

The core activity of Handwerker Allround GmbH is the provision of comprehensive craftsmanship services for private and commercial customers in the greater Zurich area. This includes, among other things: general contracting, renovations, bathroom renovations, painting, plastering, flooring, repairs, tile laying, carpentry, and demolition work. The company thus offers a wide range of craft services tailored to the needs of its customers.