Network construction in the
Canton of Valais

Arnold AG

Since 2012 · 21–50 empl.·4.3(12)

Arnold AG provides network infrastructure services in energy, telecommunications, transport and water. Its activities include planning, building and maintaining energy and communications networks, transport infrastructure, and water systems and pipelines.

Axians Suisse SA

Since 2018 · 21–50 empl.·4.1(10)

Axians Suisse SA is an ICT provider within the Axians network of VINCI Energies. Its services include cloud and data centre infrastructure, business applications and data analytics, cybersecurity, digital workplaces, and fixed, mobile and broadband network infrastructure. Axians supports organisations from ICT strategy through to operations.

Elektro Sies GmbH

Since 2004 · 1–10 empl.

Elektro Sies GmbH plans and installs electrical systems and carries out inspections and repairs of electrical installations and appliances. Its services also include solar power systems and network construction, as well as the sale of electrical appliances and lamps.

IED Gruppe AG, Zweigniederlassung Visp

Since 2018 · 51–100 empl.

IED Gruppe AG, Zweigniederlassung Visp provides services for energy, telecommunications and transport network infrastructure. Its activities include planning, construction, maintenance and management of facilities and networks, as well as overhead line and high-voltage cable construction, network construction and corrosion protection.

GMTS SA

Since 2020 · 1–10 empl.

GMTS SA works in industrial piping and welding. Its services include measurement and isometric drawings, fabrication, welding and installation of piping for district heating, drinking water and gas networks.

Solair Sàrl

Since 2015 · 1–10 empl.·5.0(1)

Solair Sàrl provides services for telecommunications infrastructure and fibre-optic networks. Its work includes project planning and management, fibre-network construction and maintenance, cable installation, and network testing and quality control.

FLOW-rail Sàrl

Since 2025 · 1–10 empl.·5.0(2)

FLOW-rail Sàrl provides services to the railway sector, particularly railway worksite protection and staff safety. Its services include safety supervisors, site coordinators, and specialist personnel for overhead contact lines and earthing work.

SwissDigitalIT Sàrl

Since 2025 · 1–10 empl.

SwissDigitalIT Sàrl develops custom websites and mobile apps and carries out fiber-optic telecommunications work. Its services include FTTH and FTTO installations, cable pulling, fiber splicing, OTDR measurements, technical documentation, fault finding and network upgrades.

Burgener tech Sàrl

Since 2024 · 1–10 empl.·5.0(1)

Burgener tech Sàrl carries out work on fibre-optic and telecommunications installations. Its services include planning and installing fibre-optic networks, pulling and blowing cables, repairing and maintaining lines, selling related materials, and installing fire-stopping seals.

3 Courants Sàrl

Since 2025 · 1–10 empl.

3 Courants Sàrl carries out construction, maintenance and repair work on electrical distribution networks. Its services include installing overhead lines and underground cables, connecting and maintaining transformer stations, fault diagnosis and repairs, and drone inspections.

Entreprise d'installations de télécommunications SA EIT

Since 1975 · 1–10 empl.

Mc FARDEL & CLAIVAZ Sàrl

Since 2004 · 1–10 empl.