Civil works in the
Canton of St. Gallen

Hagedorn AG

Since 1976 · 51–100 empl.·4.5(14)

Hagedorn AG works in road and civil engineering. Its services include asphalt and concrete surfacing, recycled construction materials, transport, waterproofing, crane operations and road cleaning.

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.

Jakob Schneider AG

Since 1979 · 21–50 empl.·4.5(11)

Jakob Schneider AG is a construction company working in building and civil engineering. Its services include demolition, utility construction, renovations, site and garden works, skip hire and disposal of various materials.

Karl Rüegg Tiefbau und Transport AG

Since 1979 · 11–20 empl.·3.9(21)

Karl Rüegg Tiefbau und Transport AG carries out civil engineering, utility-line and road construction work and provides transport services. Its services also include waste disposal and recycling, crane and grab work, skip and container services, and riding-arena construction.

Keller Bauunternehmung AG

Since 1997 · 11–20 empl.·4.5(10)

Keller Bauunternehmung AG is a construction company working in building and civil engineering. Its services include conversions and renovations, demolition and concrete dismantling, mobile crane work, and recycling of broken concrete.

KIBAG Bauleistungen AG

Since 2001 · 11–20 empl.·4.4(14)

KIBAG Bauleistungen AG provides construction services in transport infrastructure, civil engineering and demolition, and water and specialist foundation engineering. Its services also include contaminated-site remediation, drainage technology, drilling and geothermal work, as well as general contracting and construction support.

Dietsche Strassenbau AG

Since 1971 · 21–50 empl.·4.1(16)

Dietsche Strassenbau AG is a road and civil engineering company. Its activities include building and renovating roads and utility lines, specialist civil engineering, and shaping outdoor spaces with natural stone walls and paving.

De Zanet AG

Since 1995 · 21–50 empl.·4.5(17)

De Zanet AG is a road construction and civil engineering company. Its work includes earthworks, milling and paving, sewer and utility construction, excavation and tunnel construction. It also carries out a range of paving projects.

Hürlimann Bau AG

Since 2012 · 11–20 empl.·4.3(26)

Hürlimann Bau AG is a construction company working in landscaping, civil engineering and road construction. Its services include road building and renovation, earthworks, demolition, utility and water construction, and specialist ground engineering.

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.

Brühwiler AG

Since 1990 · 21–50 empl.·4.4(15)

Zulian + Co. AG

Since 1993 · 1–10 empl.·4.9(7)

Zulian + Co. AG is a building contractor specialising in renovation and repair work. Its services include masonry, plastering, small-scale demolition and concrete work, concrete restoration, and repairs to paved surfaces, manholes and sewers.

Reto Vils AG

Since 1998 · 11–20 empl.·4.9(7)

Reto Vils AG is a construction company working in building and civil engineering. Its services include residential construction and renovation, terrain works, water and spring installations, renaturation, transport, skip hire and waste disposal, as well as road and car park clearance.

Stemba AG

Since 2018 · 1–10 empl.·5.0(17)

Stemba AG works in trenchless civil engineering, carrying out guided horizontal and fluid-assisted drilling as well as geothermal probe drilling. Its services also include utility connections, conventional civil works, utility locating, landscaping, and the transport and welding of PE pipes.

Jul. Peter GmbH

Since 2002 · 1–10 empl.·4.9(10)

The core activity of Jul. Peter Sargans includes the following areas: crane operations, transportation, civil engineering, and gravel plant. Thus, the company offers a wide range of services in the construction and infrastructure sectors.

Püntener Sportplatz- und Spielfeldmarkierung AG

Since 2015 · 1–10 empl.·4.8(10)

Püntener Sportplatz- und Spielfeldmarkierung AG provides floor marking and signage services with a focus on sports field and playground markings. The company carries out norm-compliant markings (e.g. BASPO, World Athletics), renewal of faded lines, and also offers road, parking and garage markings as well as hall and surface cleaning services.

Alois Püntener AG

Since 2016 · 1–10 empl.·4.8(10)

Alois Püntener AG carries out marking and signage work on roads, car parks, in underground garages and on other areas. Its services also include hall and surface cleaning, as well as marking sports grounds and playing fields indoors and outdoors.

A. Grob Baugeschäft AG

Since 1997 · 11–20 empl.·4.9(9)

A. Grob Baugeschäft AG carries out building and civil engineering work, renovations, refurbishment and landscaping. Its services also include transport, crane and grab work, and the sale of mushroom-growing soil and humus soil.

Peterer AG

Since 1979 · 1–10 empl.·4.2(13)

Peterer AG is a construction company carrying out building and civil engineering work, alterations and renovations. It also provides masonry services and repairs to façades, floors and other parts of buildings.

Remora AG

Since 1986 · 11–20 empl.·4.6(5)

Remora AG carries out specialist work in road and civil engineering. Its services include milling asphalt and concrete surfaces and foundation layers, fine and trench milling, cutting work, removing road markings and trimming pavement edges.

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.

nevos ag

Since 2019 · 11–20 empl.·4.2(24)

nevos ag provides services for telecommunications network construction. Its activities include planning and consulting, civil engineering and cable laying, fibre-optic and copper technology, splicing and testing, and the installation, maintenance and servicing of network infrastructure.

Alder-Zani AG

Since 1981 · 11–20 empl.·4.2(10)

Alder-Zani AG operates in road and civil engineering. Its work includes road and asphalt construction, utility lines and drainage, infrastructure maintenance, repairs and rehabilitation, as well as paving.

AZ Armierungen AG

Since 2005 · 11–20 empl.·4.4(8)

AZ Armierungen AG is a construction company that carries out reinforcement work for building and civil engineering projects. Its services include installing and fixing reinforcement according to construction plans and structural specifications, as well as providing site support and labor for additional work.

L. Spreiter AG., Hoch- & Tiefbau, Sevelen/SG

Since 1967 · 11–20 empl.·4.5(11)

L. Spreiter AG., Hoch- & Tiefbau, Sevelen/SG is a building contractor specialising in building construction and civil engineering. Its work includes residential, commercial and public buildings, utility lines, sewers, water intakes, bridges, renovations and conversions.

Johann Müller AG, Kieswerk und Baggereiunternehmung

Since 1954 · 11–20 empl.

The core activity of JMS Group encompasses the supply of building materials such as gravel, sand and concrete, as well as the provision of construction services including specialized civil engineering, water, shore and port construction, heavy transport and disposal. In addition, the company also offers recycling and waste management services.

Cellere Bau AG

Since 1956 · 51–100 empl.

Cellere Bau AG carries out road and civil engineering projects, including the construction of transport routes and utility lines. It also repairs structures and provides building contractor services, including building and façade renovations and alterations.

Genossenschaft für ländliches Bauen (GLB) Sarganserland

Since 1965 · 11–20 empl.

Genossenschaft für ländliches Bauen (GLB) Sarganserland carries out building and civil engineering work, including construction for agricultural buildings. Its services include new builds and renovations, excavation and utility works, concrete track roads and dry-stone walls.

Aktiengesellschaft Cellere

Since 1968 · 101–500 empl.

Aktiengesellschaft Cellere is a construction company offering road and civil engineering, structural repair, and building renovation services. It provides project planning and execution as a contractor, uses digital construction processes including BIM, and states commitments to quality management and sustainability.

Toller Strassenbau AG

Since 1977 · 1–10 empl.

Toller Strassenbau AG carries out road-construction works, including surfacing, paving, rural roads, structural works and material processing. The company provides construction services within the areas of garden construction, road construction and civil engineering.

E. Thurnherr AG, Altstätten

Since 1978 · 1–10 empl.

E. Thurnherr AG, Altstätten operates in road construction and civil engineering. Its services include excavation, sewer and pipeline works, garden design, transport, snow clearance and recycling.

Blöchlinger AG

Since 1978 · 11–20 empl.·3.8(12)

Blöchlinger AG provides disposal and recycling services for construction waste, soils and sludge. It processes materials into new building products, including gravel, recycled products and concrete made with recycled aggregates, and also carries out demolition and civil engineering work.

Cellere Bau AG

Since 1979 · 51–100 empl.

Cellere Bau AG is a construction company specialising in road and civil engineering, structural repairs and building works. Its services include constructing and maintaining roads and utility lines, repairing and strengthening structures, and carrying out building alterations, extensions, renovations and façade work.

Peter Büchel AG

Since 1979 · 51–100 empl.·5.0(2)

Peter Büchel AG specializes in installing reinforcement. It works on building construction, civil engineering and underground construction projects, and provides BIM-to-field services, structural calculations and execution planning for concrete construction and shelter structures.

Toldo Strassen- und Tiefbau AG Wil

Since 1980 · 11–20 empl.

Toldo Strassen- und Tiefbau AG Wil carries out road construction, landscaping, underground construction and utility-line work. Its services also include sports facility construction and natural stone and paving work.

Eugen Brunschwiler

Since 1981 · 1–10 empl.

Eugen Brunschwiler is a construction business carrying out new builds, extensions and renovations. Its services also include excavation and sewer works, building and civil engineering, specialised civil engineering, demolition and dismantling, waste disposal and scaffolding.

Robert Bruderer AG, Berneck

Since 1981 · 1–10 empl.

Robert Bruderer AG, Berneck is a transport company providing transportation services.