Civil Engineering in the
Canton of Thurgau

Bussinger AG

Since 2008 · 1–10 empl.·4.9(7)

The core activity of Bussinger AG is the maintenance of rural and forest roads, including the execution of works such as clearing, excavation, adjusting embankments, drainage, road construction, gravel installation, mulching, road sweeping, leaf blowing and winter maintenance.

Convia Bau AG

Since 2008 · 51–100 empl.·4.2(11)

The core activity of Convia Bau AG is road and civil engineering, including surfacing works, environmental construction, sports facility construction, innovations and special works.

ZILTENER WOHNBAU AG

Since 2013 · 1–10 empl.·4.9(9)

The core activity of Ziltener Wohnbau AG is the provision of services in the construction industry, particularly in the fields of building construction, civil engineering and renovation, as well as in the specific areas of expertise: construction of single-family homes (SFH), construction of multi-family homes (MFH), renovation, landscaping, construction of public buildings, and real estate. The company offers these services as a construction company and is active in the Eschlikon-Wallenwil region.

Knür Garten- und Tiefbau GmbH

Since 2007 · 1–10 empl.·5.0(8)

The core activity of Knür Garten- und Tiefbau GmbH encompasses two main areas: 1. Horticulture: Planning, creation and maintenance of gardens, including the extension and design of living spaces. 2. Civil Engineering: Earthworks and construction projects that require efficient solutions and modern machinery technology. Thus, the company offers services in the field of garden and landscape design as well as in the construction industry, particularly in civil engineering.

E. Bürgi + Söhne AG

Since 1992 · 1–10 empl.·4.9(8)

The core activity of E. Bürgi & Söhne AG is road and civil engineering, including surfacing works, sewer construction, pipeline construction, environmental works and paving works. The company also offers masonry services, such as laying natural stones, composite stones and constructing gravel or slab paths, as well as renovating existing services and excavation works.

Ernst Herzog AG

Since 2015 · 51–100 empl.·4.6(10)

The Ernst Herzog AG company is a construction business specializing in timber construction, renovation, and locksmithing. The core activities include planning and executing construction projects, creating real estate, carrying out renovation and conversion work, as well as manufacturing wood products and locksmithing services.

Messmer AG Bauunternehmung

Since 2005 · 21–50 empl.·4.8(6)

The core activity of Messmer AG is the provision of construction services of all kinds and requirements, including building construction, civil engineering, water protection systems, sewage systems, earthworks and other construction-related services.

Chromix AG

Since 2007 · 1–10 empl.·4.9(8)

The core activity of chromix ag is the execution of work in the field of pipeline construction, plant construction, industrial and metal construction. Specifically, this includes the planning, prefabrication and assembly of pressure pipelines, pipelines and systems, as well as the processing of various materials such as stainless steel, steel and plastics.

Karl Geiges AG Tiefbauunternehmungen

Since 1971 · 11–20 empl.·3.6(19)

Karl Geiges AG Tiefbauunternehmungen is a construction company specializing in road, civil and river/water engineering. Its services include road construction, excavation and earthworks, demolition and site clearance, landscaping, and gravel extraction and recycling.

Ilg Bau AG

Since 2002 · 11–20 empl.·4.8(4)

The core activities of ILG BAU AG include the following areas: 1. Paving: New construction and renovation of squares, paths and roads. 2. Environmental works: Design of walls, stone gardens, stairs and green spaces. 3. Road and civil engineering: Surfacing and utility construction, as well as sewerage and water engineering. The company thus offers a wide range of services in the field of construction and infrastructure.

H. Bachmann AG

Since 1949 · 11–20 empl.

H. Bachmann AG discontinued its operational construction activities at the end of 2025 and now focuses on property management and the development of real estate. Previously the company carried out building, civil engineering and renovation projects.

WISTRAG Consulting AG

Since 1952 · 1–10 empl.

The core activity of WISTRAG Strassen- und Tiefbau AG is road and civil engineering construction.

Batrag Tiefbau AG

Since 1990 · 11–20 empl.

The core activity of Batrag Tiefbau AG encompasses four main areas: 1. **Demolition/Deconstruction**: The company offers services in the field of demolition and deconstruction, including recycling and disposal. 2. **Civil Engineering**: Batrag Tiefbau AG carries out all types of civil engineering work, such as excavation, foundation pit closures and utility lines. 3. **Environmental Construction**: The company provides professional solutions in environmental construction, including stream and water construction, rural roads, flood protection and stone walls. 4. **Landscape Gardening**: Batrag Tiefbau AG offers services in the field of landscape gardening, including plantings, garden design, squares, paths, paving and stonework.

Zeit Netzbau AG

Since 1990 · 1–10 empl.

The core activity of Zeit Netzbau AG is the planning, construction and maintenance of electrical networks, in particular: low-voltage cabling (from the transformer station to the house connection), public lighting (cable laying, installation of lanterns, measurements), high-voltage lines (construction and maintenance), transformer stations (new construction, reconstruction, installation of components), overhead lines (construction and maintenance), and cable laying of all kinds. The company also offers services such as measurements, sports field lighting and interior construction of transformer stations.

Koch AG, Strassen- & Tiefbau, Kies & Beton

Since 1993 · 51–100 empl.

Koch AG, Strassen- & Tiefbau, Kies & Beton is active in renewable energy generation from hydropower and in the development and leasing of commercial premises. The website presents projects related to hydropower and provides contact details for leasing and site visits.

Urs Schatt Tiefbau GmbH

Since 2001 · 11–20 empl.

The company Urs Schatt Tiefbau GmbH is a service provider specializing in various activities in the construction and agricultural sectors. The company's core activities include: deep and road construction (e.g. pipeline construction, road construction, excavations, drainage), gardening and landscaping (e.g. squares and paths), agricultural services (e.g. demolition, snow removal), suction dredger services (with 24-hour service), and fleet services (with various vehicles and equipment). The company thus offers a wide range of services focusing on construction, agriculture, and infrastructure maintenance.

Neuweiler Schachtfix AG

Since 2001 · 1–10 empl.

The core activity of Neuweiler Schachtfix AG is the execution of road construction work, particularly the installation and replacement of manhole fittings, as well as the renovation and replacement of manholes. This includes specific tasks such as drilling in pavement and concrete, manhole milling, core drilling and the replacement of manhole fittings.

KIBAG Bauleistungen AG

Since 2001 · 101–500 empl.

KIBAG Bauleistungen AG provides road, civil and demolition construction services and related infrastructure work, including waterproofing and gussasphalt applications, sewer and drainage services, drilling and suction-excavator operations.

Moosberger Bau AG

Since 2001 · 1–10 empl.

Moosberger Bau AG is a construction company that carries out new builds, conversions, renovations and various client projects. Services include single- and multi-family homes, public and industrial buildings, façade refurbishment, thermal insulation, retaining walls and garden works, and the company can provide construction management and coordinate trades.

TPS Trenchless Piping Systems AG

Since 2002 · 11–20 empl.

The core activity of TPS AG is the renewal of pipes using bursting lining, particularly in the insertion of cast iron, PE and steel pipes using the press/ pull or cut/pull process, as well as relining in pipes in need of renovation. Additionally, the company offers excavation, connection, rehabilitation and coating work.

Baugeschäft Ess

Since 2002 · 1–10 empl.

The company's core activity is the construction business, i.e. it provides services in the field of construction and construction economics.

Contartese AG

Since 2010 · 1–10 empl.

The core activity of Contartese AG is construction, particularly in the areas of building construction, civil engineering, renovations and environmental works.

A. Ramsperger Bauunternehmung AG

Since 2011 · 11–20 empl.

A. Ramsperger Bauunternehmung AG is a construction company that builds residential, commercial and agricultural structures and carries out renovations, client masonry work and special exposed masonry projects.

Schellenbaum Tiefbau + Transporte AG

Since 2013 · 1–10 empl.

The core activity of Schellenbaum Tiefbau + Transporte AG encompasses two main areas: 1. Civil Engineering: This includes excavator work, transportation, Trax work, environmental work, compaction and demolition work. 2. Agriculture: This includes soil cultivation, sowing, round baling, agricultural transportation and winter services. The company thus offers services in the fields of civil engineering and agriculture, with a modern machine park and competent employees.

Hüppi AG, Zweigniederlassung Steckborn

Since 2014 · 101–500 empl.

Hüppi AG, Zweigniederlassung Steckborn is a branch of Hüppi AG and provides complete services for the renovation and construction of infrastructure in civil and road engineering, including canal and utility works, road surfacing and paving, and material recycling.

Cellere Bau AG

Since 2016 · 51–100 empl.

Cellere Bau AG is a construction company specialising in road and civil engineering, structural rehabilitation and building renovation. The company provides planning and execution services for construction projects, acts as a general contractor on commissions and applies digital methods such as BIM.

Cellere Bau AG

Since 2016 · 51–100 empl.

Cellere Bau AG is a construction services company that carries out projects in civil and road engineering, structural repair, and general building works. It provides services from planning and execution to renovation and is part of the Cellere group.

Schneider + Steinemann AG

Since 1978 · 1–10 empl.·4.8(5)

Näpflin Maurerarbeiten GmbH

Since 2017 · 1–10 empl.

Näpflin Maurerarbeiten GmbH is a one-person masonry company carrying out masonry and plastering work, renovations and small-to-medium construction projects. Services include new and conversion work, concrete work (foundations, walls, ceilings, retaining walls), plastering (including clay plaster and ecological materials), drywall, paving stone installation, minor demolitions and project consulting/planning.

Straub GmbH

Since 2006 · 1–10 empl.

Straub GmbH carries out civil engineering (excavation and related works), demolition/deconstruction and landfill-site operations.

reinöhl Die Baukraft GmbH

Since 2006 · 11–20 empl.·4.8(8)

Reinöhl is a construction company specializing in the planning, execution and management of construction projects. The company's core activity includes providing services in the field of building construction, including consulting, planning, execution and acceptance of construction projects.

W. Strausak AG

Since 1978 · 1–10 empl.·4.3(6)

The company W. Strausak AG is a construction company specializing in the planning and execution of high-rise and civil engineering projects. The core activities include: High-rise construction: new buildings, conversions, and renovations of single-family homes, multi-family homes, commercial and industrial buildings, as well as public buildings; Civil engineering: excavation work, utility lines, canal stations, forecourts, and environmental design; Specialized areas: exposed concrete, exposed masonry, swimming pool construction, and concrete pools; Services: consulting, customer service, and garden design. The company thus offers a wide range of services in the construction sector.

Hiestand AG

Since 1992 · 11–20 empl.·5.0(5)

The core activity of Hiestand AG is the execution of construction projects, particularly in the fields of civil engineering and building construction, for private, commercial and public clients. The company offers services such as planning, execution and realization of construction projects, including new buildings, renovations and refurbishments of single-family homes, multi-family homes and commercial buildings.

F. Trachsel AG, Strassen- und Tiefbau

Since 1968 · 11–20 empl.·3.9(7)

F. Trachsel AG, Strassen- und Tiefbau undertakes road construction, civil engineering and exterior works; services include asphalt and surface installation, natural stone paving, drainage and sewer works, earthmoving, excavation/transport and equipment rental.

Scherrer Bauleistungen GmbH

Since 2021 · 1–10 empl.·5.0(7)

Scherrer Bauleistungen GmbH carries out demolition, excavation and earthworks and provides backfilling, site surfacing and stone wall construction, as well as work on utility lines and sewer systems for private clients, companies and public administrations.

Gentana GmbH

Since 2023 · 1–10 empl.·5.0(21)

Gentana GmbH is a road-construction company providing civil engineering and related services. Its services include house connections, trenchless techniques, core drilling, and private contracts such as path and plaza works and garden installations.

H. Hagen AG

Since 1990 · 21–50 empl.·4.8(5)

The core activity of H. Hagen AG is construction, particularly the planning and execution of new buildings, conversions, renovations and restorations of various types of buildings, such as single-family homes, multi-family homes, agricultural buildings, public buildings, commercial buildings and historic buildings.

HBT AG

Since 2020 · 1–10 empl.·4.3(7)

HBT AG specializes in trenchless, minimally invasive pipeline installation in civil engineering and manages projects from planning through execution to handover of installed pipes. Services include utility locating, core drilling, PE/PVC pipe welding, pipe-jacking and flushing/drilling methods, small civil works, and project support and consulting.