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Birrer Immobilien AG 

Oberarth · Since 1988

The core activity of Birrer Immobilien AG is the management and administration of properties, particularly condominiums and rental properties. This includes tasks such as representing owners, managing property accounting, preparing ancillary cost statements, controlling rental agreements, conducting apartment handovers and acceptance, and ordering value-preserving work and repairs. Additionally, the company also offers services in the area of buying and selling real estate.

Belmet GmbH 

Oberarth · Since 2021

Belmet GmbH provides roofing, façade and waterproofing services, including sheet‑metal work, flat‑roof systems, roof maintenance and lightning protection.

Best Taste Trading GmbH 

Oberarth · Since 1994

The company's core activity is the import, distribution and trade of spirits and alcoholic beverages, particularly whisky, rum, gin, vodka, liqueurs and other high-quality alcoholic products from various countries and regions, such as Japan, Scotland, Ireland, the USA and Europe.

birrer.network ag 

Oberarth · Since 2024

The core activity of birrer.network ag is in the field of Cyber Security, network planning, construction and operation, as well as forensics and incident management. The company offers services such as IT project management, network operation, data security, cyber defense and forensics, and supports customers in planning and implementing network projects.

Calcite in Progress GmbH 

Oberarth · Since 2019

The core activity of Calcite in Progress GmbH is engineering and trading for the mining and raw materials industry, including consulting, planning and delivery of services.

Coplax AG 

Oberarth · Since 1958

The core activity of Coplax AG is the development and manufacture of small electrical appliances for the household sector, particularly under its own brand, but also as customer-specific solutions.

CYRINAS AG 

Oberarth · Since 2019

The core activity of CYRINAS AG is the training and education of IT teams in cybersecurity to protect companies from cyber attacks. The company offers a comprehensive training program that enables IT teams to develop into cybersecurity experts, thereby ensuring the security of their companies.

H-Trinity GmbH 

Oberarth · Since 2022

H-Trinity GmbH operates the restaurant Casa di Mamma and offers a menu including pizza, pide, pasta, salads, burgers, kebab, meat and fish dishes. The restaurant also provides desserts, alcoholic and non-alcoholic beverages and supports online ordering with delivery and takeaway options.

IMMOOS GmbH, Bergungs- und Sicherheitssysteme 

Oberarth · Since 1999

The core activity of Immoos GmbH is the development, manufacture and distribution of products and services in the field of rescue technology, particularly for cable cars and industrial plants. This includes, among other things, height safety equipment, carabiners and hardware, accessories, sets and fan articles. The company also offers services such as cable car rescue, fixed fall protection, personal protective equipment and rope access.

Inderbitzin Bürotechnik GmbH 

Oberarth · Since 2003

Inderbitzin Bürotechnik GmbH provides sales, consulting, and maintenance services for office technology and cash register systems. Product offerings include retail and hospitality POS systems (including tablet solutions), payment terminals, printers, plotters, multifunction devices, shredders, computers and consumables.