Excavation in the
Canton of St. Gallen
106 companies in Excavation based in the Canton of St. Gallen — name and year of registration from the commercial register.
50 of 106 companies
Heim Bohrtechnik AG
Since 2006 · 11–20 empl.4.9(158)
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.
Oberhänsli Bau AG
Since 2011 · 51–100 empl.5.0(23)
Oberhänsli Bau AG is a construction company carrying out building and civil engineering work, excavation, demolition and structural construction. Its services also include planning and managing new-build and renovation projects, plastering, floor screeds, tiling and landscaping work.
Willi Bau AG
Since 2005 · 51–100 empl.4.9(17)
Willi Bau AG is a construction company offering building and civil engineering services, including excavation, demolition, utility and road works. Its services also include system waterproofing with warranty and project work for commercial and public clients.
Früh Tiefbau GmbH
Since 2000 · 1–10 empl.4.8(38)
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.
Bürge Kaminbau
Since 1996 · 11–20 empl.4.7(25)
The core activity of Bürge AG involves the processing of high-quality pre-fabricated components into complex, high-functional systems, particularly in the areas of geothermal drilling, chimney construction, silencers, residential heating and chimney systems. The company also offers special custom-made products and in-house developments, and has a department dedicated to geothermal drilling.
M. Vetsch AG
Since 1999 · 1–10 empl.4.8(20)
M. Vetsch AG produces apple juices and other in-house beverages and operates a beverage pickup market and home delivery service. It supplies drinks and event furniture for clubs, companies and private occasions.
KOM AG Betontrenntechnik
Since 2021 · 11–20 empl.4.9(23)
KOM AG Betontrenntechnik carries out concrete drilling and cutting work. Its services include core drilling, diamond wire sawing, floor joint cutting, and openings in concrete and masonry.
John & Sommer Bau AG
Since 2011 · 11–20 empl.4.6(15)
John & Sommer Bau AG is a construction company working in building and civil engineering. Its services include residential, industrial, commercial and agricultural construction, infrastructure and excavation works, renovations and conversions, demolition and recycling, transport and winter maintenance.
Oberhänsli Bau AG
Since 2018 · 1–10 empl.5.0(23)
Oberhänsli Bau AG is a construction company carrying out building and civil engineering work. Its services include planning and construction management, demolition, concrete processing, plastering, screeds, tiling and landscaping, as well as new builds, conversions and renovations.
Jakob Schneider AG
Since 1979 · 21–50 empl.4.5(11)
The core activity of J. Schneider AG includes construction and civil engineering, including renovation/refurbishment, customer masonry work (such as tiling, plastering, exterior insulation, etc.) as well as environmental work and excavation services.
KOF AG
Since 2019 · 21–50 empl.4.9(23)
KOF AG carries out demolition, dismantling and deconstruction of buildings and industrial facilities. Its services include full and partial demolition, building stripping, specialist dismantling, concrete drilling and cutting, as well as project planning and proper disposal of materials.
LG Bau AG
Since 2013 · 21–50 empl.4.8(6)
The company's core activities include construction, gravel and concrete plant, general contracting, road construction, civil engineering, structural engineering, plastering, facade construction, drywall construction, fireproofing, sealing, building renovation, special flooring, drilling and milling work, crack injection, concrete renovation, conversion and renovation.
B&B bautech GmbH
Since 2016 · 21–50 empl.5.0(7)
B&B bautech GmbH is a construction and installation company that provides plumbing installations, maintenance services, demolition and renovation works, core drilling and concrete cutting, and photorealistic 3D bathroom planning.
Zulian + Co. AG
Since 1993 · 1–10 empl.4.9(7)
Zulian + Co. AG is a construction firm offering masonry and plastering services, demolition and small concrete works, as well as repairs and concrete restoration.
Stemba AG
Since 2018 · 1–10 empl.5.0(17)
The core activity of Stemba AG is trenchless deep construction, particularly earth sounding drilling and controlled flushing drilling technology. This includes: earth sounding drilling, controlled flushing drilling technology (horizontal drilling technology), deep construction, house connections using earth rockets and controlled pressing equipment, pipeline detection, PE pipe transport and welding. The company carries out these activities to enable crossings of roads, tracks, intersections, streams, etc. that cannot be carried out or are not permitted using conventional trenching methods.
Gebrüder Mahler AG
Since 1992 · 21–50 empl.5.0(5)
Gebrüder Mahler AG is a construction company specialising in building and civil engineering. Its services include new construction, conversions and renovations, as well as project development, planning, construction management and outdoor works.
Bruno Mattle AG
Since 2010 · 21–50 empl.5.0(8)
The core activities of Bruno Mattle AG include the following services: excavation and civil engineering, demolition of buildings, hydraulic engineering and environmental protection (e.g. construction of dams for flood protection or natural ponds), gravel processing (with mobile screening plant), and environmental work (e.g. implementation of customer requests and projects). The company thus offers a wide range of services in the fields of construction and environmental technology.
Broder AG
Since 1970 · 1–10 empl.4.8(4)
Broder AG is an engineering and services company operating in energy technology, precast element construction and mechanical engineering. Its services include geothermal borehole drilling, connection lines, prefabricated garages and machinery engineering.
Britt AG
Since 1985 · 1–10 empl.4.6(9)
Britt AG carries out drilling in concrete and natural stone, as well as precision cutting and wire-sawing work. Its services also include concrete demolition, earth drilling with piercing tools, and strengthening load-bearing structures with CFRP laminates.
Oberhänsli Bau AG
Since 2018 · 51–100 empl.4.4(16)
Oberhänsli Bau AG provides building-technology services including plant construction, installation, maintenance and renovation. The company website states that Hälg Group has taken over Oberhänsli AG Gebäudetechnik while the team and the site remain in place.
Eugen Brunschwiler
Since 1981 · 1–10 empl.
The core activity of Eugen Brunschwiler Bauunternehmung is the provision of services in the field of construction, particularly: * Building construction * Civil engineering * Demolition work * Excavation * Scaffolding work * Environmental work * Utility lines * Construction yard The company thus offers a wide range of construction services, from planning and execution of construction projects to specialized services such as demolition work and scaffolding work.
F. Zeller AG
Since 1985 · 11–20 empl.
F. Zeller AG operates a construction business and carries out tiling work.
Gebrüder Kressig Generalunternehmung AG
Since 1992 · 1–10 empl.
Gebrüder Kressig Generalunternehmung AG provides general contracting services in building construction, including planning, site management and execution. Its offered services include demolition, exterior façades, master-builder (baumeister) work, roofing, flooring, external/site works, renovations, carpentry and rental of residential properties.
Gämperli Bau GmbH
Since 1994 · 1–10 empl.
The core activity of Gämperli Bau is the execution of civil engineering works, particularly in the areas of: earthworks, excavation works, stone walls, work in steep terrain, road and square construction, hydraulic engineering, demolition works, winter services, and contract work. The company thus offers a wide range of services in the field of civil engineering and positions itself as a flexible and reliable partner for customers in Eastern Switzerland.
Fensterle Beton- und Fertigteilwerk GmbH
Since 2006 · 11–20 empl.
The core activity of Fensterle company encompasses the planning, manufacturing and construction of family homes, object buildings and other construction projects, particularly using massive lightweight concrete walls produced in its own concrete and precast plant.
Boxler Bau GmbH
Since 2009 · 1–10 empl.
The core activity of Boxler Bau GmbH is the execution of renovations, restorations, refurbishments, conversions, facade renovations, floor slab work and garden design.
Linth Tiefbau GmbH
Since 2011 · 1–10 empl.
The core activity of Linth-Tiefbau GmbH is civil engineering, particularly: excavation, road construction, surfacing, pipeline construction, drainage, maintenance, repair, and renovation. The company offers these services for various projects, ranging from single-family homes to residential complexes and large construction sites.
E. Thurnherr AG, Altstätten, Zweigniederlassung Oberriet SG
Since 2014 · 1–10 empl.
E. Thurnherr AG, Altstätten, Zweigniederlassung Oberriet SG is a construction company offering road construction, civil engineering, garden landscaping and transport services. Services include excavation and sewer works, slope stabilization, natural stone walls, demolition, recycling and snow clearing.
Rupp Bau AG
Since 2015 · 1–10 empl.
Rupp Bau AG is a building and civil engineering company. Its work includes single-family and multi-family homes, industrial buildings, extensions, conversions and renovations, as well as site access, utility lines, masonry work and core drilling.
Ulmann Betonbearbeitung AG
Since 2016 · 1–10 empl.
The core activity of Ulmann Betonbearbeitung AG is the processing of concrete using various methods such as drilling, sawing, cutting, separating and pressing, as well as the use of demolition robots and the execution of anchor installations.
Peter Marquis Baggerbetrieb AG
Since 2018 · 1–10 empl.
Peter Marquis Baggerbetrieb AG carries out excavating and civil engineering work, including earthworks, demolition, utility lines, stone walls and stream protection. The company recycles demolition materials into reusable recycled aggregate and undertakes landscaping work.
Wilhelm Büchel AG
Since 2019 · 11–20 empl.
Wilhelm Büchel AG is a construction company and general contractor. Its services include building and civil engineering, road construction, demolition, scaffolding, and garden and landscape construction and maintenance. It plans and delivers construction projects through to turnkey handover.
Gebr. Hermann AG
Since 1993 · 1–10 empl.5.0(4)
Gebr. Hermann AG is a construction company offering road construction, civil engineering (earthworks), building construction, landscaping/site works and demolition services. The company maintains its own machinery and vehicle fleet to perform transport, excavation and paving works.
Karl Bürki GmbH
Since 1999 · 1–10 empl.5.0(4)
The core activity of Karl Bürki GmbH is civil engineering, particularly: * Civil engineering works * Road construction * Environmental works * Natural stone paving and walls * Transport services * Blasting services * Spring catchments * Asphalt works * Excavation works * Concrete roads * Demolition * Trenching services * Pipeline construction * Winter maintenance services The company thus offers a wide range of services in the field of civil engineering and infrastructure.
Zobohr AG
Since 2007 · 1–10 empl.4.7(3)
Zobohr AG carries out drilling and milling work on concrete and stone and provides contact information on its website.
SBO AG
Since 2016 · 1–10 empl.5.0(4)
The core activity of SBOAG is providing suction dredger services to various industries, including civil engineering, construction, horticulture, renovation, emergency services, agriculture, industry, companies, property management and private individuals. The suction dredger is used to absorb and remove materials of all kinds, such as excavated soil, gravel, sludge, grit, manure, feed, wood chips, sawdust, slag, dust, water and ash.
Bohrmann GmbH
Since 2021 · 1–10 empl.5.0(6)
Bohrmann GmbH provides concrete drilling, core drilling and concrete cutting, as well as services for selective demolition. It also handles project planning and logistics and supplies equipment and specialists for construction projects.
Gebr. Kühnis AG, Widnau
Since 1972 · 1–10 empl.5.0(4)
The core activity of Gebr. Kühnis AG is the execution of civil engineering and construction work. Specifically, this includes pipeline construction, excavation, environmental work, earthwork, construction of forecourts, as well as the realization of high-rise buildings such as single-family homes, residential buildings, office and industrial buildings.
HOLENSTEIN AG, Bauunternehmung
Since 1973 · 11–20 empl.5.0(1)
The core activity of Holenstein AG is construction, particularly in the areas of: building construction, civil engineering, renovations and extensions, customer work, and skip container services. The company thus offers a wide range of construction services, from new buildings to renovations and refurbishments to specialized services such as skip container services.
Tiefbau Rupp AG
Since 1986 · 1–10 empl.4.8(5)
The core activity of Tiefbau Rupp AG is the execution of civil engineering works, in particular: river engineering, blasting work, steep slope construction, pipeline construction, forest road construction, road construction, site preparation, environmental design, and demolition work. The company offers these services to private individuals, farmers, forestry companies, municipalities, and the canton in the Sarganserland region.
Schmucki AG
Since 1981 · 21–50 empl.3.4(5)
The core activity of Schmucki AG is the realization of projects in civil engineering and construction, as well as the execution of plastering and customer masonry work.
Wellauer AG Zuzwil SG
Since 1963 · 1–10 empl.4.0(8)
Wellauer AG Zuzwil SG is a construction company offering road construction, civil engineering, specialist deep foundation works, transport services and gravel quarry operations. The website presents the company’s service offerings and corporate information.
Gebr. Grünenfelder AG, Bauunternehmung, Wangs
Since 1977 · 1–10 empl.4.8(4)
Gebr. Grünenfelder AG, Bauunternehmung, Wangs operates in building and civil engineering. Its work includes new construction, alterations, renovations, earthworks, site works and snow clearance.
Mannhart BauTech AG
Since 2018 · 1–10 empl.4.8(4)
The core activity of Mannhart BauTech AG is the repair, maintenance and rental of construction machinery, agricultural machinery and other vehicles, as well as the sale of construction machinery and accessories. The company also offers a mobile hydraulic service and a rental fleet of construction machinery.
Johann Loher AG, Montlingen
Since 1973 · 11–20 empl.5.0(4)
The core activity of Joh. Loher AG is construction, including planning and implementation of construction projects, plastering work, renovations and comprehensive solutions for customers.
Forrerbau AG
Since 2013 · 11–20 empl.5.0(1)
The core activity of Forrerbau AG encompasses the provision of services in the construction sector, specifically: * Building construction (realization of buildings of all kinds and sizes for residential or commercial purposes) * Civil engineering (excavation, foundation work, etc.) * Road construction (construction and maintenance of roads) * Building services (planning and installation of heating solutions, sanitary and bathroom designs) * Renovation work * Demolition * Blasting * Environmental work The company thus offers a wide range of construction-related services, from planning to execution.
Schefer Bau AG Niederhelfenschwil
Since 2014 · 1–10 empl.5.0(4)
Schefer Bau AG Niederhelfenschwil is a construction company working in building and civil engineering. Its services include new builds and renovations for residential, commercial and agricultural properties, excavation and utility works, demolition, and outdoor-area improvements.
J. STEFFEN AG
Since 2022 · 1–10 empl.
The core activity of J. STEFFEN AG is the provision of services in the general construction industry, including: general civil engineering and road construction, trenchless pipe laying, landscaping, forestry services, PE welding, and rental of personnel and construction equipment/machinery to construction companies. Additionally, the company also offers planning and consulting services for civil engineering construction sites.
Bauunternehmung Karl Reichmuth GmbH
Since 2001 · 1–10 empl.5.0(1)
Bauunternehmung Karl Reichmuth GmbH carries out building and civil engineering work, agricultural construction and site development. Its services also include demolition, renovation and masonry work, sewer construction, concrete work and concrete repairs.
Frei & Partner AG Bauunternehmung
Since 2001 · 1–10 empl.3.8(8)
The core activity of frei+partner ag is the construction and renovation of real estate, including public buildings, commercial and industrial buildings, residential buildings and overbuildings, as well as smaller excavation and civil engineering works.
Excavation in the Canton of St. Gallen
Excavation in the region
Point size by number of companies per place.
Source: commercial register (Zefix) · as of November 6, 2026
Largest places
Altstätten SG5Excavation in other places
By canton