Companies in
Telecommunications

DFZ Datenfunk-Zentrale AG

Telecommunications · Basel · Since 2007

The company's core activity is order and telephone brokerage, in particular the dispatch and brokerage of transportation orders, originally with a focus on taxi services, but now as a modern service center for various industries.

Diatel SA

Telecommunications · St-Imier · Since 1970

The core activity of Diatel SA is the provision of telecommunications services, particularly in the areas of cable television, radio, internet and telephony. The company operates a high-performance telecommunications network, mainly consisting of fiber optic cables, and offers combined services in cooperation with its partner Sunrise.

Digital Cable Group AG

Telecommunications · Zug · Since 2008

The core activity of Digital Cable Group is the provision of digital television services (digitalTV).

Digital Republic AG

Telecommunications · Rotkreuz · Since 2016

The core activity of Digital Republic is providing mobile internet services and products, including smart devices, eSIMs and IoT solutions, to both private and business customers. The company offers flexible and scalable solutions for mobile internet and connectivity, with a focus on transparency, simplicity and customer satisfaction.

Dominique Vadi

Telecommunications · Plan-Les-Ouates · Since 1989

Dominique Vadi provides telecommunications, data network and IT services, including Internet, TV and VoIP connections, IPBX systems, professional Wi‑Fi networks, VPNs and security/firewall solutions. The offering also includes cloud hosting and secure backups via Swisscom DCS, access control and video surveillance systems, and LAN cabling and electrical installation services.

DS Infra AG

Specialized Construction Activities · Dietikon · Since 2023

DS Infra AG provides planning, construction and maintenance services for energy, telecommunications and traffic infrastructure, including operational safety equipment (BSA). Its offerings include network construction, energy storage and e‑mobility solutions, network security and consultancy.

DWtel AG

Telecommunications · Recherswil · Since 2001

The core activity of DWtel is to provide communication solutions that encompass the convergence of telephony and IT. This includes connecting and integrating telephony and IT, servers, PCs, routers and the Internet, as well as communication in local and wide area networks (LAN, WAN) up to the Internet.

ECONICS MANAGEMENT AG

Telecommunications · Sarnen · Since 2011

The core activity of ECONICS Management AG is to provide highly available communication connections and solutions, particularly in the area of Voice over IP (VoIP), CloudPBX, SIP-Trunking and other telecommunications services. The company also offers consulting, research and development, encryption, operation and monitoring as well as billing services to support customers in optimizing their communication infrastructure.

ECS Technologie AG

Telecommunications · Zurich · Since 2023

ECS Technologie AG provides satellite communication solutions, including Ground Station as a Service (GSaaS) and Satellite IoT coverage solutions for IoT and service providers. Its services deliver on‑demand access to a global ground‑station network with a pay‑as‑you‑go model, multi‑orbit support, scalability and 24/7 monitoring and support.

EGEL SA

Telecommunications · Lausanne · Since 2005

EGEL SA is an electrical contracting company that designs, installs and maintains electrotechnical systems for new buildings and for office, industrial and commercial properties.

Electrocity Rrahmani

Telecommunications · Le Grand-Saconnex · Since 2008

Electrocity Rrahmani provides electrical, telecommunications, security, lighting and IT/domotics services, including planning, installation and maintenance of building systems. The company also carries out troubleshooting and repair interventions.

ELECTRO VALAIS SA

Electrical Planning & Installation · Sion · Since 2018

The core activity of Electro Valais SA is the provision of services in the field of electrical installations. The company offers high-quality solutions to meet the needs of its customers, including the planning, installation and maintenance of electrical systems.

Elektrizitätsgenossenschaft Sins

Telecommunications · Sins · Since 1909

The core activity of Elektra Sins includes the supply of private customers and companies with electricity, fiber optic connections, TV, radio and internet. Specifically, the company offers the following services: electricity supply (including eco-electricity), construction, operation and maintenance of fiber optic networks (Sinser fiber optic network), data network services (including ultra-fast fiber optic services), TV, radio and internet via the fiber optic network. The company continuously invests in modern and sustainable solutions to ensure an attractive and secure supply for its customers.

Elektro Buccarello AG

Electrical Planning & Installation · Siglistorf · Since 2012

The core activity of Elektro Buccarello AG is the provision of electrical services, including the supply of green energy and the execution of electrical engineering works.

Elektro Friberg AG

Security Services · Untereggen · Since 2021

The core activity of Elektro Friberg AG includes the planning, installation and maintenance of electrical systems and installations, including: lighting, photovoltaics, e-mobility, multimedia, smart home, access systems, video surveillance, telecommunications, high-voltage installations, IT networks and household appliances. The company also offers design and planning of electrical systems and has its own exhibition and office in Untereggen.

ELFINETwork GmbH

Telecommunications · Zofingen · Since 2020

The core activity of ELFINETwork GmbH is the planning, installation, cabling and integration of fibre-optic networks for companies, building complexes and urban infrastructures, including civil engineering work and the provision of high-speed internet and reliable connections.

EMC Electronic Media Communication SA

Manufacture of IT Hardware · Biasca · Since 1997

EMC Electronic Media Communication SA designs, manufactures and markets a range of CATV and fiber‑optic products for broadcast and cable television networks. Its product portfolio includes amplifiers, splitters, signal processing devices, fiber‑optic transmitters and receivers, and analogue and digital WDM systems, and it supplies RFoG hub devices (PON series) intended to mitigate Optical Beat Interference (OBI).

EM - Saladin

Security Services · Basel · Since 2019

The core activity of EM-Saladin includes providing services in the following areas: Telecommunications, Building Technology, Service and Repairs, Network and IT, Renovations, and Surveillance Systems. The company thus offers a wide range of technical services for businesses and private individuals, with a focus on the installation, maintenance, and repair of technical facilities and systems.

EN Connections GmbH

Specialized Construction Activities · Spreitenbach · Since 2023

EN Connections GmbH is a telecommunications service provider offering planning and consulting, civil engineering and cable-installation services, measurement and fibre-splicing work, maintenance and building-technology solutions.

Ephone Schweiz GmbH

Telecommunications · Rümlang · Since 2014

The company Ephone Schweiz GmbH offers VoIP telephony services, including phone numbers, internet telephony, fax services and other communication solutions. The core activity of the company is to provide customers with a cost-effective alternative to traditional telephony services by leveraging the benefits of internet telephony.

E-Q GmbH

Electrical Planning & Installation · Herisau · Since 2020

E-Q GmbH provides electrical installations and network/data cabling for residential and commercial properties. The company implements smart-home systems (KNX, Loxone), plans and installs photovoltaic systems, and supplies telematics/VoIP and unified-communications services.

euNetworks AG

Telecommunications · Zurich · Since 1998

The core activity of euNetworks is the provision of telecommunications and network services, particularly in the area of fibre-optic cable networks, data transmission and storage. The company offers a range of products and services, including Dark Fibre, Metro and Long Haul Wavelengths, Ethernet, Internet, Colocation solutions, Cloud Connect and Managed Optical Open Line Systems. euNetworks focuses on the needs of businesses, particularly in the finance, media and content sectors, as well as the requirements of data centres, educational institutions and research facilities.

ExtraFon GmbH

Telecommunications · Rapperswil Sg · Since 2004

The core activity of Extrafon is the provision of telecommunications services, particularly in the area of mobile connectivity, IoT/M2M solutions, personal hotspots and global SMS gateways. The company acts as a reseller of leading networks and service providers worldwide and offers its customers a wide range of services, including voice termination, data connectivity, SMS services and unified communications & collaboration solutions. Extrafon focuses on providing global connectivity with optimal coverage and quality at competitive prices.

Faser24 GmbH

Electrical Planning & Installation · Baar · Since 2019

Faser24 GmbH provides services for fiber-optic networks, including planning and network construction, cable pulling, splicing and measurement, in‑building installations, and operations and maintenance.

FB Data AG

Telecommunications · Laufenburg · Since 2023

FB Data AG develops and implements projects that combine large-scale energy storage and AI data center infrastructure, for example the Technology Center Laufenburg which integrates a redox-flow battery storage system and a water-cooled AI data center.

Feracom AG

Telecommunications · Münsingen · Since 2002

Feracom AG provides communication services and offers internet, TV, fixed-line and mobile internet subscriptions for private and business customers. The company also supplies fibre-optic connections and related installation and support services.

Fernsehgenossenschaft Dulliken

Telecommunications · Dulliken · Since 1976

The core activity of FG - Dulliken is the provision of telecommunications services, including internet, digital TV and mobile phone services, as well as hosting and support services for private and business customers.

Fernsehgenossenschaft Niedergösgen

Telecommunications · Niedergösgen · Since 1976

Fernsehgenossenschaft Murgenthal

Telecommunications · Murgenthal · Since 1980

The core activity of the Fernsehgenossenschaft Murgenthal is the provision of internet, TV and mobile phone services to the municipality of Murgenthal. Specifically, this includes the laying of cables and fibre optic connections, the provision of high-speed internet with speeds of up to 1 Gbit/sec, the transmission of TV signals with over 200 channels, and the connection to mobile phone networks.

Fernsehgenossenschaft Schönenwerd

Telecommunications · Schönenwerd · Since 1978

The core activity of Fernsehgenossenschaft Schönenwerd is the provision of telecommunications services, including internet, digital TV, mobile communications and telephony, as well as the maintenance and expansion of its own communication network, in particular the fibre-optic network.

Fernsehgenossenschaft Wittnau

Telecommunications · Wittnau · Since 1982

The company's core activity is providing electronic, network-based communication services, particularly TV, internet, telephone and mobile phone services, to private households in a specific market area. The company operates a cable network and offers various services such as UHD-quality television, replay functions and fast internet connections.

Fiber Evolution GmbH

Telecommunications · Steinhausen · Since 2024

Fiber Evolution GmbH is a service provider in fiber-optic technology, offering planning, installation, and splicing/connection work. Services include measurement (e.g. OTDR), in‑building installation, commissioning, and operation and maintenance of fiber links.

fiber fusion GmbH

Telecommunications · Biel/Bienne · Since 2008

The core activity of Fiber Fusion GmbH is the development and provision of solutions in the field of fiber optic technology (LWL), particularly in the areas of splicing, measuring, assembly and consulting.

Fiber Evolution GmbH, Zweigniederlassung Aargau

Telecommunications · Rüfenach Ag · Since 2023

Fiber Evolution GmbH, Zweigniederlassung Aargau provides services in fiber‑optic technology, including project acquisition, splicing and connection work, measurement/testing, in‑building installation, network setup, and operation and maintenance. The company carries out fiber deployments, OTDR measurements and commissioning, and delivers documentation of completed works.

Fiber Home Central AG

Telecommunications · Rothrist · Since 2021

Fiber Home Central AG provides planning, construction and commissioning services for fiber-optic networks, including cable installation and pulling, splicing and connection work, measurement/testing, in‑home installations, and network operation and maintenance.

Fiber Home AG

Telecommunications · St. Gallenkappel · Since 2012

Fiber Home AG provides planning, construction and operation services for fiber‑optic networks and carries out technical work such as splicing and connection technology, measurement (OTDR) and in‑home installations. Services include network construction, cable installation, maintenance and operation, project management and setup of multimedia/networking solutions.

Fiber Network Solution AG

Technical Consulting & Engineering · Rudolfstetten · Since 2021

The core activity of Fiber Network Solution AG (FNS) is the consulting, planning and documentation of fiber optic networks in Switzerland and neighboring countries.

FirstCom Group GmbH

Telecommunications · Frick · Since 1999

The core activity of FirstCom Group is the provision of value-added services for telecommunications, particularly in the brokerage of 0800 and 0848 phone numbers, including the setup of routing plans and the selection of easily memorable vanity phone numbers.

FlexBase Service AG

Telecommunications · Laufenburg · Since 2022

FlexBase Service AG develops and operates energy storage and data center technologies, notably redox flow battery systems and water-cooled AI data centers. The website describes the Technology Center Laufenburg project, which combines large-scale battery storage with a Sovereign AI Factory.

Flux Group SARL

IT Consulting & Services · Geneva · Since 2024

The core activity of Flux Group SARL is to provide integrated solutions for IT, telecommunications, internet and networks for businesses. This includes in particular: development and implementation of secure and high-performance IT systems and networks; provision of telecommunications solutions, including telephony and internet services; creation and management of websites and web applications; offering security solutions for businesses, including protection against cyber threats; provision of energy efficiency solutions, including solar energy systems; and provision of support and hotline services for businesses. The company positions itself as a full-service provider for businesses seeking a comprehensive digital solution.

Footballerista Mobile (Suisse) AG

Telecommunications · Lucerne · Since 2021

Forrer Telefon + Netzwerk

Telecommunications · Möhlin · Since 2016

Forrer Telefon + Netzwerk provides a full range of telematics services, including installation of devices, testing and troubleshooting, rewiring, and installation or replacement of telephone systems and related equipment. Services are offered to residential and commercial customers, and emergency response services are available.

FOW GmbH

Electrical Planning & Installation · Flawil · Since 2020

FOW GmbH provides fiber-optic and FTTH services, including splicing work, measurements (visual fault locator and backscatter/OTDR testing), project planning and consulting, and procurement or preconfiguration of fiber components.

Freezz SA

Technical Consulting & Engineering · Renens Vd · Since 2022

Freezz Sàrl develops communication systems and provides services to improve internet connectivity on Earth and in space. Its core offerings include Friilink (an integrated platform for seamless connectivity, real‑time monitoring and fleet management), Friisat (a solution that merges satellite communications with terrestrial mobile networks) and Friispace (user‑segment systems for Moon and Mars applications).

Funktel Schweiz AG

Manufacture of IT Hardware · Aarau · Since 2019

Funktel is a provider of communication and localization solutions for various industries such as law enforcement, psychiatry, healthcare, oil/gas/chemicals, industry and authorities. The company's core activities include the development, manufacture and distribution of: TETRA and DECT systems for professional communication; mobile devices for various application areas (e.g. industry, security, explosion protection); base stations and infrastructure for communication networks; localization solutions (e.g. inductive localization, GPS, Bluetooth localization); and alarm and emergency call systems (e.g. Nucleus Alarm Server). The company also offers services such as customer service, environmental protection and consulting.

Fusion FiberNet GmbH

Construction & Project Management · Zurich · Since 2024

Gabellini MoltiDev, Multimedia Development

Telecommunications · Zurich · Since 2002

The core activity of EasyCall AG includes providing solutions for free WiFi (WLAN) to customers, automating customer registrations, selling prepaid cards and offering top-up options for mobile phone credit, as well as developing and providing a web-based cash register system called CloudCash.