Network construction in the
Canton of St. Gallen

53 companies in Network construction based in the Canton of St. Gallen — name and year of registration from the commercial register.

Companies

50 of 53 companies

Elektro Frei Rheintal AG

Since 2017 · 1–10 empl.5.0(16)

Elektro Frei Rheintal AG provides products, projects and services in electrical engineering, telecommunications and industrial services. Its activities include electrical installations, ICT, building automation, and FTTH and fibre-optic solutions.

Network constructionPower systems / Electrical installationsTelematicsICT

Energie Zürichsee Linth AG

Since 1999 · 21–50 empl.4.4(9)

Energie Zürichsee Linth AG supplies customers with gas, biogas and district heating, and advises on heating, heat and cooling systems. It also plans, builds and operates energy facilities and gas, water and heat distribution networks for businesses, utilities and municipalities.

Network constructionDistrict heatingGas and biogasEnergy consulting

Elektro Nüesch AG

Since 1975 · 1–10 empl.4.7(14)

Elektro Nüesch AG carries out electrical installations in high- and low-current systems for private customers, industry, businesses and public-sector clients. Its services include electrical planning, telephone and network installations, photovoltaic AC connections, cable and power-grid construction, repairs, and the sale and installation of household appliances.

Network constructionElectrical installationsCustomer serviceGrid construction and power supply infrastructure

Cablegroup AG

Since 2005 · 21–50 empl.3.7(73)

Cablegroup AG plans, builds, operates and maintains technical communications infrastructure for telecom, carrier and enterprise customers. Its services include network engineering, construction, systems and ongoing maintenance.

Network constructionNetwork engineeringNetwork constructionNetwork maintenance

nevos ag

Since 2019 · 11–20 empl.4.2(25)

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.

Network constructionPlanningCable-laying technologyFibre-optic technology

Arnold AG

Since 2015 · 51–100 empl.4.3(12)

Arnold AG is a network construction company working in energy, telecom, transport and water infrastructure. Its services include planning, building and maintaining energy facilities and lines, data and communications networks, road and rail infrastructure, and water networks.

Network constructionGrid construction in the energy sectorTelecom network constructionGrid construction in the transport sector

Kolb Elektro AG

Since 1995 · 51–100 empl.4.3(13)

Kolb Elektro AG is an electrical engineering company specializing in installations for new buildings and renovations. Its services include power and low-voltage installations, ICT projects, KNX building automation, network construction, maintenance and repairs.

Network constructionElectrical installationsService and maintenanceNetwork construction

Elektro Frei Rheintal AG

Since 2023 · 1–10 empl.5.0(16)

Elektro Frei Rheintal AG provides products, projects and services in electrical engineering, telematics and industrial services. Its activities include electrical installations, ICT, building automation, and FTTH and fibre-optic solutions.

Network constructionPower installations / electrical installationsTelematicsICT

Fiber Home AG

Since 2012 · 51–100 empl.

Fiber Home AG provides services for fibre-optic, copper and coaxial telecommunications networks. Its work includes planning and design, network construction and installation, cable pulling, testing, fault response, operation and maintenance.

Network constructionFibre-optic installationOperation and maintenanceIn-house installation

Cablegroup AG

Since 2015 · 21–50 empl.3.7(73)

Cablegroup AG plans, builds, operates and maintains technical communications infrastructure for telecom providers, carriers and businesses. Its services include network engineering, construction, systems and maintenance.

Network constructionNetwork engineeringNetwork constructionNetwork maintenance

LENTEC GmbH

Since 2015 · 1–10 empl.

LENTEC GmbH plans and installs communications networks, telecommunications infrastructure, and high- and low-voltage systems. Its services include cable and conduit construction, network and IT installations, and photovoltaic systems.

Network constructionNetwork constructionElectrical installationsBuilding automation

RhV Elektrotechnik AG

Since 2016 · 1–10 empl.

RhV Elektrotechnik AG plans and carries out electrical installations for private, commercial, industrial and public-sector clients. Its services also include building automation and communications, switchgear, electrical network construction, and the planning, installation and maintenance of photovoltaic systems, charging stations and battery storage.

Network constructionElectrical installationsSwitch and control cabinetsGrid construction work

Good Elektro GmbH

Since 2017 · 1–10 empl.

Good Elektro GmbH provides electrical installations for residential, commercial and industrial buildings, as well as network construction from fibre-optic cables to medium- and high-voltage systems. Its services also include automation and control solutions and equipment rental.

Network constructionInstallationNetwork constructionAutomation

IED Gruppe AG, Zweigniederlassung Rapperswil

Since 2018 · 51–100 empl.

IED Gruppe AG, Zweigniederlassung Rapperswil works in network infrastructure for energy, telecommunications and transport. Its activities include planning, building, maintaining and managing infrastructure and networks, including overhead lines, high-voltage cables and distribution networks.

Network constructionHigh-voltage line constructionHigh-voltage cable constructionGrid construction

Kummler+Matter EVT AG

Since 2019 · 1–10 empl.

Kummler+Matter EVT AG plans, installs and operates electrical systems for energy supply, transport and telecommunications. Its activities include developing traffic concepts and building traffic control systems, parking guidance systems and telecommunications network infrastructure.

Network constructionEnergy SupplyTraffic EngineeringRailway Signalling and Railway Automation

Enertrans GmbH

Since 2021 · 1–10 empl.

Enertrans GmbH plans, builds and operates infrastructure for high- and medium-voltage networks. Its services include overhead lines and cables, substations, network analyses, technical documentation and asset management.

Network constructionGrid facilitiesLinesAsset Management

Ris Netzbau AG

Since 1982 · 11–20 empl.5.0(2)

Ris Netzbau AG provides services for the construction and maintenance of electricity networks. Its work includes overhead lines, power and fibre-optic cable installation, transformer stations, network maintenance and repairs.

Network constructionOverhead line constructionCable constructionLWL cable construction

Kolb Elektro SBW AG

Since 1995 · 1–10 empl.4.3(13)

Kolb Elektro SBW AG provides electrical engineering services. Its activities include electrical installations for new builds and renovations, power and low-voltage systems, ICT projects, KNX building automation, network construction, and maintenance and repair services.

Network constructionElectrical InstallationsService and MaintenanceNetwork Construction

Voltec Telecom GmbH

Since 2020 · 101–500 empl.3.9(26)

Network constructionE-mobility charging stations

Bodensee Infraworks GmbH

Since 2021 · 1–10 empl.

Bodensee Infraworks GmbH builds data and communications networks and cable routes, and handles their extension, modification and maintenance. Its services also include splicing, measuring and testing copper, coaxial and fibre-optic cables.

Network constructionConstruction of data and communication networksCable tray and duct constructionMaintenance work

Rheinfiber AG

Since 2015 · 11–20 empl.4.3(3)

Rheinfiber AG plans and installs fibre-optic networks and cabling solutions. Its services include supplying passive and active components, splicing and connector assembly, maintenance and fault diagnosis, temporary installations, and fibre-optic training.

Network constructionConsulting / Planning / DevelopmentMaterials (passive/active)Splicing service

Ackermann Netzbau

Since 2021 · 1–10 empl.

Ackermann Netzbau provides services in medium- and low-voltage systems and substation construction. Its work includes public lighting, railway technology, fibre-optic and cable installation, meter installation, and electrical installations in private homes.

Network constructionMedium voltageSubstation constructionLow voltage

LWL-Techniker Schweiz GmbH

Since 2021 · 1–10 empl.4.2(5)

LWL-Techniker Schweiz GmbH plans and installs fibre-optic systems and carries out splicing, OTDR measurements, and fault detection and repair. Its services include FTTH connections and cabling for buildings, data centres, and transport infrastructure; it also supplies pre-terminated cables and passive components.

Network constructionFiber optic installations / fiber optic measurementsFibre optic products / LWL productsProduct development

Wäger AG

Since 2011 · 1–10 empl.5.0(1)

Wäger AG carries out electrical installations and provides services in electrical engineering, photovoltaics and power network construction. Its work includes planning and installing solar systems, building technology, and constructing and maintaining electricity networks.

Network constructionSolar power systems / Photovoltaic systemsBuilding technology24-hour service / on-call

Fly Keynet GmbH

Since 2020 · 1–10 empl.5.0(1)

Fly Keynet GmbH plans and carries out fibre-optic and FTTH installations for buildings, network operators and general contractors. Its services include consulting and planning, cable pulling, fibre splicing and testing, and the installation of connection sockets and distributors, with documentation.

Network constructionFibre optic technology and FTTH installationsConsulting and project execution for FTTH projects

KAMPEAK GmbH

Since 2023 · 11–20 empl.5.0(1)

KAMPEAK GmbH provides services for telecommunications infrastructure, including project planning, structural engineering, design, installation and maintenance. It develops and supplies steel structures and products, and also carries out rollouts, 5G upgrades, decommissioning and equipment removal.

Network constructionTelecom implementationSteel structural detailingStructural engineering

KSE Solutions GmbH

Since 2025 · 1–10 empl.

KSE Solutions GmbH provides services in network construction and systems engineering. It plans and supports energy and communications networks and technical systems, and offers engineering, construction management, building automation and software development.

Network constructionNetwork ConstructionSystems Engineering

Klammsteiner AG

Since 2022 · 1–10 empl.5.0(1)

Klammsteiner AG carries out cable and utility construction, including trenchless pipe installation, trench milling, building connections, utility locating and core drilling. Its trenchless methods include horizontal drilling, guided boring, pipe bursting and impact moling.

Network constructionTrenchless pipeline constructionTrench millingHouse connection

Linka AG

Since 2026 · 1–10 empl.

Linka AG plans and delivers communications and fibre-optic networks for utilities, network operators, municipalities and businesses. Its services include network planning and engineering, project coordination, construction supervision, tender support and infrastructure operations, including systems for smart metering and smart grids.

Network constructionFTTx Planning and ImplementationConstruction Management for FTTx ProjectsTendering and Procurement Support

Casanova Tech GmbH

Since 2026 · 1–10 empl.

Casanova Tech GmbH builds fibre-optic infrastructure and FTTH networks for municipalities and energy suppliers. Its services include cable pulling through ducts and manholes, technical installations, and temporary projects for energy suppliers.

Network constructionFTTH Fibre RolloutCable Pulling in Conduits and ShaftsTechnical Assembly Services

Netzgroup Schweiz AG

Since 2016 · 1–10 empl.

Network constructionDomain Sale

No score yet

Suntel Switzerland AG

Since 2018 · 51–100 empl.

Suntel Switzerland AG provides industry-specific information and communications solutions, supporting them from consulting and planning through implementation, operation, maintenance and support. Its services include mobile and fixed-line communications infrastructure, WLAN and network solutions, and turnkey steel structures.

Network constructionCommunication networks and ICT solutionsMobile network planning and mobile radio infrastructureFixed-line infrastructure, WLAN and network solutions

No score yet

Bodensee Engineering GmbH

Since 2018 · 1–10 empl.

Bodensee Engineering GmbH provides planning, development, consulting and project management services for infrastructure projects. Its work focuses particularly on telecommunications and energy infrastructure and network solutions, including project design, construction management and coordination of installation work.

Network constructionPlanning, development, consulting & project managementConstruction of data and communication networksCable tray and duct construction

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FOW GmbH

Since 2020 · 1–10 empl.

FOW GmbH plans and installs fibre-optic networks and provides related services. Its work includes fibre splicing, testing and measurement, and consulting and planning for FTTH projects; it also supplies fibre-optic materials and connection components.

Network constructionFiber splicing servicesMeasurementsConsulting and planning

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Frei Leitungsbau GmbH

Since 2026 · 1–10 empl.

Frei Leitungsbau GmbH provides services in line construction. The website includes contact details and pages for services and references, but only limited substantive information is available.

Network constructionLine Construction

No score yet