9'016 companies found
GTB Erdsondenbohrungen AG
Wallisellen · Since 2015
The core activity of GTB Erdsondenbohrungen AG is the execution of ground source boreholes for the utilization of geothermal energy, particularly for the installation of ground source heat exchangers (GSHE) to extract heat from the ground. The company thus offers an environmentally friendly and sustainable solution for heating buildings.
GT Solar Invest AG
Herisau · Since 2010
The core activity of GT Solar Invest AG is the planning, implementation and maintenance of solar systems for companies and private individuals, particularly in the field of solar contracting, where the system is financed, installed and maintained by the company, while the customer uses the generated solar power, thereby reducing their energy costs and minimizing their CO2 footprint.
GTS Transportsysteme AG
Volketswil · Since 1987
The core activity of GTS Transportsysteme AG is the development, manufacture and distribution of transport and disposal solutions, in particular containers, compression plants and other equipment for the waste management and construction industries.
GTT Canalisations SA
Vallamand · Since 2020
The core activity of GTT Canalisations SA consists of cleaning, maintenance and inspection of sewer pipes, including camera surveillance and pipe marking, as well as resolving issues with clogged or defective sewer pipes.
Guggisberg Dachtechnik AG
Wabern · Since 2003
The core activity of Guggisberg includes the planning, execution and maintenance of building envelopes, including roof, façade and energy systems. This specifically includes: Roofing work (pitched roofs, flat roofs), façade construction and renovation, energy-efficient renovations and optimizations, sheet metal work and metal processing, lightning protection and sealing. The company offers these services for new construction projects as well as for the renovation and maintenance of existing buildings, ranging from single-family homes to commercial complexes.
GUNEP AG
Jegenstorf · Since 2007
GUNEP AG is a planning firm for sustainable energy projects that designs and implements heat supply systems using wood and solar energy and provides photovoltaic solutions for medium and large properties. Services include planning, consulting and implementation of district heating systems, photovoltaic and thermal solar installations, and condensing boiler systems.
Günthardt Solar Elektro Support GmbH
Regensdorf · Since 2012
The core activity of Günthardt Solar Elektro Support GmbH is the planning, construction and maintenance of solar systems for private households and companies, in order to generate clean and cost-effective energy and increase energy efficiency.
gutwasser GmbH
Zurich · Since 2018
The core activity of the company "gutwasser GmbH" is the implementation of biological investigations of aquatic systems, in particular the research and analysis of macrozoobenthos (invertebrate organisms) in waters. This includes fieldwork, species identification and the assessment of species diversity in flowing waters, standing waters, moors and springs. The company also offers services in the areas of environmental education, public relations, quality assurance and expert opinions.
Gwerder-Energie-GmbH
Glattfelden · Since 2016
The core activity of Gwerder-Energie-GmbH is the planning, installation and realization of photovoltaic systems, as well as calculating the most economically efficient energy mix for customers.
GZM Extraktionswerk AG
Lyss · Since 1991
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Source: Federal Statistical Office, UID register