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Abruma GmbH 

Lichtensteig · Since 2014

The core activity of Abruma GmbH is the organization and implementation of leisure experiences in small groups, particularly in Eastern Switzerland. This includes: Guided hikes (e.g. in the Alpstein mountains, Glarus and Grisons Alps), Cultural excursions (e.g. theater, sports or zoo visits), Africa trips (e.g. to Namibia, Tanzania/Zanzibar) in cooperation with MAWI-Reisen Bischofszell. The activities are carried out in small groups (max. 12 participants) to enable personal and individual care of the guests.

Alder-Kühne AG 

Lichtensteig · Since 2023

Alder-Kühne AG carries out restoration and renovation of historic building fabric and provides consulting, planning, project design and site supervision. The company also operates a wood manufactory producing custom joinery and carpentry products such as windows, doors, floors, kitchens and stairs and cooperates with heritage authorities.

Alois Kühne AG 

Lichtensteig · Since 2011

Alois Kühne AG carries out restorations and historic-building renovations, offering condition surveys, expert reports, project planning, permit submissions, construction management and coordination of trades. The company also operates a wood manufactory producing joinery and carpentry elements such as doors, stairs, kitchens and reclaimed-wood flooring.

Atrof Bauphysik AG 

Lichtensteig · Since 1983

The core activity of Atrof Bauphysik AG is the provision of services in the field of building physics, particularly in the following areas: energy certificates, Minergie certificates, funding applications, building physics, renovation concepts, and material and construction technology. The company also offers specific services such as energy consulting, building envelope, construction supervision, damage analysis, acoustic and sound consulting.

Bleifuss GmbH 

Lichtensteig · Since 2019

Bleifuss GmbH provides professional garden maintenance and garden coaching. Services include compost management, replanting, garden redesign, hedge trimming and flowerbed maintenance.

Brändle Air-Clean AG 

Lichtensteig · Since 2014

Brändle Air-Clean AG supplies dust extraction and air‑cleaning systems, including cartridge filter units, oil‑ and emulsion‑mist separators and industrial vacuum cleaners. Services include consulting, engineering, workshop fabrication, installation, maintenance and after‑sales support, and the company distributes equipment from brands such as TEKA, Absolent and Delfin and markets its own Mulki self‑dumping bins.

Didacfactory GmbH 

Lichtensteig · Since 2020

The core activity of Didacfactory is the development and provision of modern, interactive teaching materials for mathematics and chemistry classes in upper secondary and vocational schools.

Eduran AG, Zweigniederlassung Lichtensteig 

Lichtensteig · Since 2023

Eduran AG, Zweigniederlassung Lichtensteig is a wealth management firm offering investment advisory and portfolio management services. The branch also provides family office services, access to a partner network, and retirement and succession planning advice.

EroGreen AG 

Lichtensteig · Since 2007

The core activity of EroGreen AG is the environmentally friendly design and maintenance of landscapes and forests. This includes specific services such as: * Greening and hydroseeding * Mowing and mulching * Gardening * Forestry work, including tree care and sustainable forest management The company uses innovative technologies and custom-made machines to precisely and efficiently address the individual needs of each terrain.

ew elektro widmer ag 

Lichtensteig · Since 1999

ew elektro widmer ag provides building electrical systems, IT and automation services, delivering planning, installation and maintenance for solutions such as electrical installations, photovoltaics, energy management and e‑mobility.