Energy Industry in the
Canton of Thurgau

Schmid Mawera AG

Since 1969 · 101–500 empl.·4.9(7)

Schmid AG energy solutions is a manufacturer and supplier of wood-fired heating systems and heat pumps, providing system solutions for residential, commercial and industrial applications. The product range includes wood chip, pellet and log boilers as well as heat pumps, and the company offers customer service and after-sales support including remote maintenance.

Schmid Mawera Wärme GmbH

Since 2016 · 101–500 empl.·4.9(7)

Schmid Wärmeproduktions GmbH is a manufacturer and supplier of heating systems, focusing on wood‑fired boilers (woodchip, pellet and log boilers) and heat pumps for residential, commercial and industrial applications. The product range includes large heat pumps, solutions for district and process heating, and customer service/after‑sales support.

BHKW Energie Service AG

Since 1995 · 11–20 empl.

The core activity of BHKW Energie-Service AG is the consulting, sales, engineering, construction and maintenance of combined heat and power plants (CHP).

Koch Kraftwerk AG

Since 2012 · 101–500 empl.

Koch Kraftwerk AG is a subsidiary of KOCH Generalunternehmen AG that plans, executes and renovates hydropower installations. Its work includes the modernization of the Papieri power plant (turbine replacement, canal and weir refurbishment, measures for fish passage and increased residual flow) and project development such as the non-realised Tuurau project.

Bioenergie Herdern AG

Since 2016 · 1–10 empl.

Bioenergie Herdern AG produces regional, climate-friendly energy from slurry, manure and other biomass on the site of Schloss Herdern. The biogas plant generates electricity and uses waste heat for heating supply.

Hybridbox AG

Since 2020 · 1–10 empl.

The company's core activity is the development, delivery and maintenance of innovative energy solutions, in particular the Hybridbox, a multifunctional energy center that produces heat, electricity and cooling in a decentralized manner, thus enabling a sustainable and efficient energy supply for buildings and industry.

Inno Montage AG

Since 2019 · 1–10 empl.·5.0(6)

The core activity of Inno Montage AG is the provision of services in the energy and industry sector, particularly in the areas of: district heating, industrial and assembly services, welding, prefabrication, steam projects, and power-to-gas technology. The company offers comprehensive solutions, from planning to execution, and places emphasis on compliance with Swiss standards.

Nova Energie GmbH

Since 1996 · 1–10 empl.·5.0(1)

Nova Energie GmbH is an energy and environmental consulting firm that manages individual mandates and other advisory services. The company collaborates on projects with three independent successor companies and maintains regular professional exchange.

Wärtsilä Services Switzerland AG

Since 2014 · 101–500 empl.·2.8(6)

Wärtsilä is a provider of solutions for the maritime and energy industries. The company's core activities include the development, manufacture, and maintenance of: low-pressure two-stroke diesel engines for shipping; land-based power plants; and services for the maritime and energy industries, including technical support, engineering services, and project management. The company focuses on developing sustainable solutions for decarbonization and reducing environmental impacts in shipping and the energy industry.

New Process Energies AG

Since 2024 · 1–10 empl.·5.0(6)

New Process Energies AG supplies lubricants for automotive, industrial and metalworking applications and offers HVO100 climate diesel and AdBlue; the company operates a B2B webshop and provides logistics and service support. New Process Energies AG maintains ISO 9001:2015 and ISO 14001:2015 certified management systems and uses laboratory testing for quality assurance.

wattss Services AG

Since 2025 · 11–20 empl.

wattss Services AG develops, plans and installs modular battery storage systems and provides energy management services together with partners.

Bioenergie Tägerwilen AG

Since 2018 · 1–10 empl.·4.0(1)

The core activity of Bioenergie Tägerwilen AG is the production of renewable energy in the form of biogas through the anaerobic digestion of biogenic waste materials, including green waste, straw-containing waste and farm manure. Additionally, compost is produced in an integrated composting plant, which is used as fertilizer.