Technical Consulting & Engineering

Callista Data Engineering AG 

Zug · Since 2023

Chestonag Automation AG 

Seengen · Since 1989

The company Chestonag Automation AG develops and installs customer-specific automation solutions, particularly in the areas of wastewater and freshwater, refrigeration and process engineering, energy technology, landfill gas extraction, machine and storage technology, as well as image processing for quality assurance. It also offers process control systems, support and on-call services.

Ecosens AG 

Wallisellen · Since 1990

Ecosens AG is a partner-led environmental consultancy providing services in subsurface and contaminated-site investigations, building pollutant assessments and indoor air (including radon) measurements, environmental planning and impact assessments, and environmental law and compliance advisory.

Ecosens Romandie SA 

Fribourg · Since 2013

Ecosens Romandie SA provides environmental consulting services in the areas of subsurface, buildings, environment & planning, and legal & compliance. Services include contaminated-site, soil and groundwater investigations, building-pollutant and indoor-air measurements, environmental impact assessments, due diligence and audits.

Natur Art GmbH 

Sevelen · Since 1998

The core activity of NaturArt GmbH is the consulting, development and implementation of sustainable and biodiversity-promoting solutions for the cultivation and use of renewable raw materials, particularly hemp (Cannabis Sativa). This includes advising companies, organizations and private individuals on the introduction of hemp as a raw material in various industries such as food, medicinal products, building materials and clothing, as well as the development of innovative cultivation methods and support in the implementation of projects in the field of biodiversity and sustainability.

Otth AG 

Baar · Since 1996

Otth AG designs and delivers wayfinding and signage systems, providing specialist planning, graphic design, production and on-site installation as well as digital signage and tactile signage solutions for buildings, sites and vehicles.

Rico Sicherheitstechnik AG 

Herisau · Since 1988

Franz Ziel GmbH develops, manufactures and implements plants for secure production environments in the pharmaceutical sector, particularly cleanroom technology and cleanroom systems such as isolators, and offers comprehensive services from a single source, from individual planning to commissioning and acceptance as well as subsequent support.

AVS Systeme AG 

Hünenberg · Since 1994

The company AVS (Audiovisual System Solutions) specializes in the planning, implementation and maintenance of professional audio-video systems and media technology solutions. The core activities include the conception and implementation of large-format displays, image and sound systems for presentation and conference rooms, as well as the implementation of complex management systems in control and command centers. In addition, AVS offers solutions for digital signage, video conferencing, IPTV, media technology and security applications.

Bärtschi SA Centro Ingegneria Impiantistica 

Giubiasco · Since 2001

The core activity of Bärtschi SA is engineering and trading in the field of heating, climate and sanitary technology. The company offers consulting, planning, distribution and service for products and systems from renowned manufacturers and supports installers, engineering offices and technical specialists in the realization of projects.

Bâti-conseils Sàrl 

Echandens · Since 2011

Bâti-Conseils is a specialist in conducting diagnoses and analyses in the field of environmental and health hazards in buildings. The core activities include: asbestos diagnosis in buildings, air quality measurement (VDI), construction site monitoring and control, analysis of air and water samples (including formaldehyde, microbiology), diagnosis of PCB, HAP, radon, lead and zinc in buildings, and conducting safety and health analyses in buildings. Additionally, the company also offers training and further education in the field of asbestos and environmental protection.

Bracolux AG 

Zufikon · Since 1982

Bracolux AG supplies LED lighting and lighting solutions to architects, planners and building owners. The company provides consultancy and planning including light and economic calculations, implementation and support, and manufactures and distributes standard and custom luminaires such as recessed, surface-mounted, exterior and industrial fixtures and track systems.

Brasser AG 

Zizers · Since 1994

The core activity of Brasser AG consists of planning, developing, manufacturing, selling, delivering, assembling, installing and training in event technology, particularly in the areas of lighting, sound, image and stage. The company also offers consulting, maintenance, repair, optimization and expansion of technical facilities in cultural and multi-purpose halls. Furthermore, Brasser AG develops and produces its own innovative products, such as loudspeakers, lighting devices and mobile holiday homes.

Creativ-Kälte GmbH 

Steinhausen · Since 2008

The core activity of Creativ-Kälte GmbH encompasses the planning, construction, assembly, and servicing of refrigeration and air conditioning systems for various industries such as bakeries, gastronomy, retail, research, laboratories, medicine, and industry. This also includes the development and distribution of specific products such as individual cooling and deep-freeze cells, refrigeration and air conditioning systems, cooling furniture, air curtains, dehumidifiers, and ice machines. Additionally, the company offers services such as consulting, planning, construction, assembly, servicing, maintenance, and support. Another division of the company is 'All About Ice', which specializes in creating ice sculptures, ice shows, ice bars, and ice workshops for promotions, marketing, and team events.

effen ingenieure gmbh 

Wohlen Ag · Since 2003

The company's core activity is energy consulting, particularly the creation of energy concepts and the optimization of energy efficiency in buildings, with a focus on renewable energies and sustainable construction methods.

elektro bühlmann & häfeli ag 

Uerkheim · Since 2018

The core activity of elektro bühlmann & häfeli ag is the planning, consulting, calculation and realization of electrical installations of all kinds, including the installation of renewable energy systems and household appliances.

Foxbot AG 

Lucerne · Since 2021

The core activity of Foxbot AG is the development and implementation of automation solutions for the assembly industry, particularly through the combination of robotics, vision and specialized modules such as ultrasonic welding, labeling lasers and servo presses. The company also offers services such as concept development, engineering, SPS programming, electrical planning, commissioning and service. The Foxbot ONE platform is a standardized system that can be customized to meet specific customer needs, providing a flexible and quickly amortizing automation system.

Klimahelfer Klimaeinbau GmbH 

Amriswil · Since 2025

The core activity of Klimahelfer GmbH is the planning, development and implementation of climate installations and comprehensive climate solutions, including heating, ventilation and cooling systems, as well as the provision of engineering services and emergency supply concepts.

Klinova AG 

Zurich · Since 2010

The company is a full-service provider of comprehensive, holistic building, energy and process technology systems tailored to individual customer needs. It develops and implements demand-optimized solutions for building, process and energy technology, with a focus on circular economy concepts and efficient construction processes to enable resource-saving operation.

Louis Stuber AG 

Kirchberg Be · Since 1964

The core activity of Louis Stuber AG is the provision of electrical services for industry, commerce and private customers, including planning, execution, maintenance and service. This includes specific services such as electrical installations, lighting, communication, security, solar energy, e-mobility and energy efficiency.

Partn-Air SA 

Satigny · Since 1988

The core activity of Partn-Air SA is the manufacture, distribution and development of roof fans (VTDA and VTDV) as well as its own electrical control panels. In addition, the company offers a distribution service for ventilation and energy products through the brands Aereco, Caladair, Systemair and Aldes in the residential, tertiary and industrial sectors. Furthermore, the company provides a service for technical and commercial consulting as well as representation of specialized brands such as Ziehl-Abegg for control technology.