Sustainability Sector in
Appenzell

Imkerbildung Schweiz GmbH

Since 2017 · 11–20 empl.

The company's core activity is the promotion and support of the health of honey bees, as well as the implementation of beekeeper training and education. The company also offers various services and resources for beekeepers and beekeepers, such as courses, workshops, consulting and materials. It is also committed to promoting bee friendliness and environmental protection.

Ongresso Energy AG

Since 2022 · 11–20 empl.

The core activity of Ongresso Energy is the development and implementation of solutions to reduce carbon emissions and promote renewable energy, particularly in emerging countries. This includes: Developing and implementing carbon offset projects; Planning, building and operating solar power plants under Power Purchase Agreements (PPAs); Developing distributed energy generation facilities; and Advising and supporting customers in reducing their carbon emissions and implementing sustainability strategies. The company focuses on the regions of Latin America and Africa and works closely with local partners and stakeholders to develop innovative and effective solutions for a sustainable future.

Enespa Technologies AG

Since 2021 · 21–50 empl.·3.6(46)

Enespa Technologies AG develops, constructs and operates modular industrial plants for chemical recycling of mixed plastic waste, tire pyrolysis and oil refining, and provides laboratory analyses, feasibility studies, engineering services and international trade in outputs such as pyrolysis oil, carbon black, urea and AdBlue.

ASTOG-Energy GmbH

Since 2022 · 1–10 empl.

The core activity of ASTOG-Energy GmbH is the production of Sustainable Aviation Fuel (SAF) through the conversion of municipal solid waste (MSW) into an environmentally friendly and economically sustainable aircraft fuel.

Hydrosys AG

Since 2008 · 1–10 empl.

sanguanini com.

Since 2018 · 1–10 empl.

WEC AG

Since 2022 · 1–10 empl.

eTHINK2 Stephan Splietorp

Since 2023 · 1–10 empl.

MEC Montana Energy Complex AG

Since 2024 · 1–10 empl.

Fueltec Search AG

Since 2025 · 1–10 empl.