Energy & Environment

OTT Hydromet GmbH, Kempten (Allgäu), Zweigniederlassung Schweiz, Rheineck 

Rheineck · Since 2018

The core activity of OTT HydroMet is the development, manufacture and distribution of measurement instruments and solutions for environmental monitoring, particularly in the fields of meteorology, hydrology, water quality and renewable energy.

Otto Rohrunterhalt GmbH 

Zurich · Since 1995

The core activity of Otto Rohrunterhalt GmbH is the renovation and maintenance of channels and pipelines, including the inspection and acceptance of sewage pipes. The company offers a comprehensive service ranging from blockage removal to renovation and maintenance of channels and pipelines.

Ourpower GmbH 

Dübendorf · Since 2017

The core activity of OurPower is the planning, construction and operation of photovoltaic systems (solar power plants) in Switzerland. Private investors can participate in these systems by purchasing solar modules and thus investing in the production of solar energy. OurPower takes care of the infrastructure costs, construction and operation of the systems, while investors receive the returns from the production of their solar modules on a monthly basis.

OUTDOORWERK GmbH 

Gibswil · Since 2013

The core activity of Outdoorwerk is the development, manufacture and distribution of high-quality, sustainable and durable outdoor products, particularly tools and equipment, which are produced in Switzerland, often in collaboration with regional companies and with a focus on independence and minimal equipment.

Outdoor Workspaces Schmid 

Bern · Since 2021

The core activity of Outside Society is to provide mobile, solar-powered outdoor workspaces for meetings and co-working in natural environments, such as forests, lakes or mountains, with the aim of creating a creative and decelerating work atmosphere.

Ouvra Electrica Lavinuoz Lavin SA (OELL) 

Lavin · Since 2012

The core activity of Ouvra Electrica Lavinuoz Lavin SA is the generation of renewable energy through the operation of a small hydroelectric power plant on the Lavinuoz stream in the municipality of Zernez. The company uses the stream's water power to produce electrical energy, which is then fed into the Energia-Engiadina grid.

Ovenstone Engineering GmbH 

Winterthur · Since 2019

The core activity of Ovenstone Engineering GmbH is the planning, consulting and implementation of renewable energy solutions, particularly photovoltaic systems, as well as the development and implementation of smart metering systems for energy management.

Owwo GmbH 

Niederscherli · Since 2023

The company owwoSOLAR offers services and solutions in the field of solar energy. The core activity of the company includes planning, consulting, installation, maintenance and repair of solar systems, in particular photovoltaic systems, as well as financing and monitoring of these systems. The goal is to support customers in switching to sustainable and environmentally friendly energy sources and to reduce their energy costs.

Oxyle AG 

Schlieren · Since 2020

The core activity of Oxyle is the development and implementation of innovative technologies for water treatment, particularly for the removal of PFAS (per- and polyfluorinated alkyl compounds) from surface, ground and wastewater. The company produces catalyst materials and develops scalable concepts for water treatment tailored to the needs of its customers.

ozone.ch Sàrl 

Le Locle · Since 2000

The core activity of ozone.ch is the development and provision of solutions for the treatment and purification of water and air, particularly through the use of ozone technology. The company offers a wide range of products and services, including water treatment plants, ozone generators, filtration and ultrafiltration systems, as well as analysis and monitoring systems for water and air quality. ozone.ch's solutions are suitable for various industries and applications, such as industry, commerce, hotels, restaurants, and private households.