Technical Consulting & Engineering

Telcona AG 

Bachenbülach · Since 1986

The core activity of Telcona AG is the procurement, development and delivery of electronic components and services for various industries, particularly for the automotive industry, industry, medical technology, IoT, Smart Home, communication, access control, embedded systems and energy. The company offers a wide range of products, including frequency-determining components, acoustic components, electromechanical switches, batteries, magnetics, connectors, relays and terminal blocks. In addition, Telcona AG offers services such as procurement, engineering services, component development, logistics and bill of materials service.

Termo Indagini Sagl 

Minusio · Since 2013

The core activity of Termo Indagini Sagl is the execution of thermographic inspections and specialized analyses in the fields of construction and engineering. This includes in particular: thermographic inspections of buildings, pipelines and plants to detect heat losses, moisture and condensation; specialized analyses such as monitoring of cracks, temperature measurements, and detection of pipes and tubes; inspections and surveys of bridges and road infrastructures; planning and surveying of properties; and consulting and expertise for private and professional clients in the construction industry. The company thus offers a wide range of services aimed at improving the energy efficiency of buildings and plants, detecting and repairing damage and defects, and ensuring the safety and functionality of infrastructures.

Textor Engineering AG 

Münsingen · Since 2000

The core activity of Textor Engineering AG is the provision of engineering and consulting services in the field of environmental and waste management technology, particularly in the areas of: waste management and waste disposal technology, landfill construction and operation, contaminated site investigation and remediation, logistics and infrastructure for municipal waste disposal, and building security and infrastructure operations. The company offers specific services such as project planning, planning, operational engineering, investigation and remediation of contaminated sites, as well as consulting and support in strategy, analysis and process optimization of infrastructure operations.

Thorsen Sàrl 

Echandens · Since 2000

Thorsen Sàrl is an electrical engineering consultancy providing full SIA project services including preliminary studies, design, coordination, execution and handover. Its services include energy and green-tech solutions (photovoltaics, battery storage), electric-vehicle charging infrastructure, lighting design, network modelling, energy audits, expert assessments, electrical and fire-safety concepts and coordination of OIBT compliance checks.

Ticino System Sagl 

Paradiso · Since 2013

Ticino System Sagl provides security and video-surveillance solutions along with installation and maintenance services for private and commercial clients. Offerings include wired and wireless alarm systems, video surveillance, Wi‑Fi hotspot systems and point‑to‑point links, plus system design, installation and post-sale technical support.

Torisa SA 

Riazzino · Since 1967

Torisa SA provides design, installation and maintenance of civil and industrial building systems, including sanitary, heating, ventilation and air‑conditioning installations. Services also cover industrial stainless‑steel systems, water treatment, renewable‑energy solutions (solar, geothermal, biomass, heat pumps) and technical service/maintenance.

Trimada AG electronic systems 

Wohlen Ag · Since 2010

The core activity of Trimada AG is the development and manufacture of digital and analog circuits and systems, particularly for the fields of electronics, automation and building technology. This also includes customer-specific developments, prototype and series production, as well as additional services such as programming, special testing and logistics.

Triplex Energieplaner AG 

Sissach · Since 2013

The core activity of Triplex Energieplaner AG is the planning, consulting and implementation of projects in the field of building technology, particularly in the areas of heating, ventilation, air conditioning, refrigeration and sanitation (HVAC), energy generation, energy supply and pipeline construction. The company offers services such as general planning, specialist planning, specialist construction management, feasibility studies, simulations and consulting.

Troyer Suisse AG 

Flums · Since 2012

The core activity of Troyer AG is the planning, development, manufacture, assembly and commissioning of high-quality water turbines and power plant systems for energy generation from hydropower as well as local energy distribution. This also includes the provision of complete solutions, turbines, ball valves, visualization and remote control systems, control & automation, network control technology, renewal and optimization as well as service & maintenance.

Ulaga Weiss AG 

Basel · Since 2008

The core activity of Ulaga Weiss AG is the planning and development of structures for high-rise and bridge construction, including special foundations, excavation pit securing and earthquake reinforcement. The company also offers services such as design, repair measures, specialist construction management, competition participation and expert opinions.

UrbanMoving Ingénierie Sàrl 

Lausanne · Since 2022

The core activity of UrbanMoving Ingénierie is to provide consulting and engineering services in the field of mobility and public space in Switzerland. Specifically, this includes the planning, design and implementation of mobility projects, including advising clients in all phases of a project.

Uzufly SA 

Renens Vd · Since 2020

The core activity of Uzufly is the creation of digital 3D models of territories and the provision of solutions for the visualization, analysis and optimization of urban and territorial developments. The company offers its services in particular to developers in the real estate sector and to public institutions such as cities, municipalities and cantons, in order to help them plan, develop and manage their projects.

VALEKTRO GmbH 

Glis · Since 2022

The core activity of VALEKTRO GmbH is the planning, execution and maintenance of electrical installations, including high-voltage and low-voltage systems, for various areas such as single-family and multi-family homes, renovations, industrial and infrastructure projects. This also includes specialized services such as electrical planning, electrical inspections, service and on-call duty, as well as the installation of charging stations for electric vehicles (eMobility).

vario-optics ag 

Heiden · Since 2009

The core activity of vario-optics ag is the development and manufacture of electro-optical circuits, particularly planar waveguide technology and light coupling substrates, as well as their application in various fields such as photonic sensors, data/telecom/ICT and PIC-coupling. The company also provides engineering services for the development of optical circuits and their integration into various applications.

varrin & müller Ingenieurbüro für Gebäudetechnik AG 

Gümligen · Since 1994

varrin & müller Ingenieurbüro für Gebäudetechnik AG provides building services engineering with a focus on electrical planning and consultancy. Services include electrical installation projects, lighting design and refurbishment, communications and security systems, energy studies and optimization measures, preparation of neutral tender documents, and technical representation of the client.

varrin & müller Ingenieurbüro für Gebäudetechnik AG 

Visp · Since 2012

varrin & müller Ingenieurbüro für Gebäudetechnik AG is an engineering firm providing electrical and building-services engineering. Its services include design of electrical installation projects (lighting, communications and security systems), energy studies and optimisation measures, lighting refurbishment, site surveys and expert reports for preliminary studies, preparation of neutral tender documents, consulting and technical representation of the client.

V+B Sanitärplaner GmbH 

Basel · Since 2015

The core activity of V+B Sanitärplaner GmbH is the provision of comprehensive services for sanitary and sprinkler systems in the areas of planning, consulting, specialist construction management and coordination of building technology systems. This includes, in particular, planning services according to SIA 108, 3D BIM planning, planning and tendering of sewer rehabilitation, as well as specialist coordination of building technology systems.

Velitec GmbH 

Volketswil · Since 2002

The company's core activity is the planning, installation, maintenance and repair of electrical systems, including: high-voltage installations, lighting, low-voltage installations, low-voltage systems, network installations, security systems, renewable energy and e-mobility charging stations. The company provides comprehensive solutions for electrical installations in various fields, including industry, commerce, residential buildings and public institutions.

vesica GmbH 

Würenlingen · Since 2017

The core activity of vesica GmbH is building physics diagnostics and consulting, particularly in the areas of: Air tightness measurements (Blower Door method), Thermography (Infrared Thermography), Energy consulting and analysis (GEAK, GEAK Plus, Energy certificate according to SIA 380/1), Sound protection and building acoustics (Sound protection certificate according to SIA 181, planning, simulation and measurement), and Renovation consulting and damage assessment. The company offers these services for various types of buildings, including standard buildings, clean rooms, biosafety laboratories, and large usage zones such as halls, schools, and hospitals.

Viatron AG 

Bern · Since 2016

Viatron AG provides services in mobility and transport, advising clients from project inception through to commissioning. Its offerings include traffic planning, road safety, mobility concepts and management, traffic engineering and operations, traffic modelling and the planning of public and pedestrian facilities.