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Dolder Wärmetechnik AG 

St. Margrethen Sg · Since 1995

Dolder Wärmetechnik AG manufactures and develops heat pumps and heat-recovery systems and produces associated control cabinets and regulation technology. The company provides planning, delivery, installation, commissioning, maintenance and repair of heating, ventilation, air-conditioning and cooling systems, offering system solutions including brine/water, water/water, air/water, exhaust-air and wastewater heat-pump configurations for residential, commercial and industrial projects.

Elementkraft GmbH 

St. Margrethen Sg · Since 2015

The core activity of Elementkraft GmbH encompasses the planning, installation, and assembly of: Wood construction projects (e.g. terraces, facades, canopies) Electrical installations and electrical assemblies Solar systems (PV systems) for businesses and private households The company offers customized solutions for the installation of solar modules, electrical installations, and wood construction projects, with the goal of enabling sustainable and efficient energy supply.

Skills-Shop GmbH 

St. Margrethen Sg · Since 2023

The company operates an online shop specializing in the sale of articles for self-help, relaxation, and non-verbal communication. The core activity includes trading products such as fidget tools, aromatherapy products, jewelry, plush toys, and other items that support people with special needs. Additionally, the company also offers workshops and forest bathing.

Sun-Snack AG 

St. Margrethen Sg · Since 1952

The core activity of Sun-Snack AG is the procurement, processing and refinement of dried fruits, nuts and seeds. The company imports products from over 40 countries, processes and refines them at its site in Switzerland and then distributes them. Quality assurance and control play an important role in the company's philosophy.

Beerli Logistik 

St. Margrethen Sg · Since 2015

Beerli Logistik is a logistics and freight forwarding service provider. Its services include repacking, labeling and packaging, sea and air transport, warehousing, customs clearance (import/export, T-documents) and import handling for cars and motorcycles.

Birinci Projekt & Baumanagement GmbH 

St. Margrethen Sg · Since 2007

The core activity of Birinci Projekt & Baumanagement GmbH is the provision of services in the field of insulation and fire protection in the construction industry. This includes in particular: Technical insulation (cold, heating, steam and sanitary pipes, apparatus, equipment, container and valve insulation and cladding), thermal insulation (heat with rock wool or synthetic rubber), fire protection (approved fire-resistant insulation EI 30 to EI 120 with rock wool products), and ventilation and penetration insulation. The company offers these services as a general contractor or subcontractor and supports its customers in the planning, execution and settlement of construction projects.

POLARO AG 

St. Margrethen Sg · Since 1999

The core activity of POLARO AG is temperature-controlled logistics, particularly the transportation and storage of temperature-controlled products, such as food, in various types of warehouses (deep-freeze, refrigerated, CA/ULO, CO2, dry and customs/transit warehouses).

Alpstein Events AG 

St. Margrethen Sg · Since 2007

The core activity of Alpstein Events is the organization and implementation of adventure and leisure activities, in particular quad biking and mountainboarding on a motocross track.

Heller AG Kälte-Energie-Technik 

St. Margrethen Sg · Since 1993

The company's core activity is the development, manufacture and provision of products and services in the field of refrigeration energy technology.

Matt EDV Schweiz GmbH 

St. Margrethen Sg · Since 2021

The company provides IT services and solutions for businesses and enterprises. The core activities include: IT consulting and planning of IT infrastructures, sales and support of hardware and software, installation and maintenance of server networks and client-server structures, data security and backup, IT support and remote maintenance, web hosting and email services, sales and support of specific IT products such as Citrix, Apple computers and Starface telephone systems. The company positions itself as a full-service provider for IT solutions and offers its customers comprehensive support and consulting in all IT matters.