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Herrenknecht (Schweiz) AG 

Altdorf Ur · Since 1995

The core activity of Herrenknecht is the development and delivery of tunnel boring machines and other products for tunnel construction, mining and the exploration of raw materials and energy sources. The company offers customized complete solutions for customers in the areas of Traffic Tunnelling, Utility Tunnelling, Mining and Exploration.

Hildegard Pur GmbH 

Altdorf Ur · Since 2021

HRV Engineering GmbH 

Altdorf Ur · Since 2005

The core activity of HRV-Engineering GmbH is the development, manufacture and distribution of components for waterjet cutting technology as well as special machine construction. The company offers customer-specific solutions in all areas of waterjet cutting technology and produces various products such as cutting heads, abrasive heads, spare parts and abrasive conveying systems.

HSE.swiss GmbH 

Altdorf Ur · Since 2005

The core activity of HSE.swiss GmbH is consulting and supporting companies in the areas of occupational safety, health protection, and environmental protection. This includes services such as: * Occupational hygiene and hazardous substance management * Ergonomics and toxicological assessments * Occupational safety and crisis management * Hazardous materials and special waste management * Chemical and hazardous substance management * Training and digital tools for the implementation of safety and health protection measures The company supports customers in developing strategies and concepts for the disposal of special waste, creating safety data sheets, and registering products with the Federal Office of Public Health (FOPH). Additionally, it offers workshops and training sessions on ergonomics in the workplace and conducts ergonomics training. Overall, the company focuses on providing services that help companies work in compliance with laws and regulations, protecting their employees and the environment.

HW-Security GmbH 

Altdorf Ur · Since 2009

HW-Security GmbH provides security services, including event and order security, traffic-control services, gastro-security/doorman services, dog-handler units and object/plant protection. Services also include cash-in-transit, personal protection and escort, special assignments and the development of security concepts.

Imprimere AG 

Altdorf Ur · Since 1990

The company's core activity is the development and manufacture of 3D printing and automation solutions for the construction industry, particularly for efficient concrete printing and the insertion of conventional reinforcement (rebar). This also includes providing software solutions, adapting printers to specific customer needs, and digitizing manufacturing processes.

IMZ Stiftung 

Altdorf Ur · Since 2017

The core activity of the IMZ Foundation is to promote and support projects and events that are dedicated to the preservation and sustainable improvement of the perception of performing arts through audiovisual media. This includes the organization of its own events, the submission of contributions to national and international events, as well as the support of other non-profit institutions and organizations at home and abroad.

Ingenieurbüro DUWAPLAN GmbH 

Altdorf Ur · Since 1998

The engineering firm DUWAPLAN GmbH primarily deals with the planning, accompaniment and implementation of projects in the fields of natural hazards, forest, environment and engineering. Specifically, this includes the areas of: Natural hazards: avalanche control, protective structure management, flood protection; Forest: forest road planning, forest rehabilitation; Environment: environmental construction supervision, client support; Engineering: road construction, tunnel construction, goods road construction. The company offers services such as project planning, accompaniment and implementation, as well as consulting and management for public and private clients.

inNET Monitoring AG 

Altdorf Ur · Since 2004

The core activity of inNET Monitoring AG is the provision of environmental services, particularly in the areas of: consulting, measurements, data processing, installation and operation of environmental monitoring systems, data collection, processing and storage, cloud services with its own high-performance data center, scientific data analysis, specific presentations, environmental communication, and applied research. The company is thus a competence center for environmental monitoring and consulting.

Interalps GmbH 

Altdorf Ur · Since 2024

Interalps GmbH rents handpicked short-term holiday apartments and manages bookings and guest services for modern, design-oriented vacation rentals. The company provides personalized guest support and offers partner discounts and additional hospitality services.

Kässbohrer Schweiz AG 

Altdorf Ur · Since 2017

The company is a technology company specializing in the development and manufacture of vehicles for piste and trail maintenance as well as beach cleaning. It is the world market leader in this field and develops innovative solutions for the winter sports industry.

King Coconut GmbH 

Altdorf Ur · Since 2024

King Coconut GmbH is a restaurant and bar offering Sri Lankan, Indian and European cuisine. The website lists menu categories such as starters, vegetarian dishes, Kottu, Dosai and desserts, and indicates the venue accepts table reservations and online orders.

Klassische Homöopathie Hegglin 

Altdorf Ur · Since 1999

The company's core activity is nutrition counseling and classical homeopathy.

Kleinbrauerei Stiär Biär AG 

Altdorf Ur · Since 2008

Kleinbrauerei Stiär Biär AG brews and sells a range of unfiltered beers produced without chemical additives. The beers are made with spring water from the Urner mountains; the brewery offers tours, a brewery shop and private-label production (Myys Biär).

KMU ProjectOffice Urs Waber 

Altdorf Ur · Since 2023

KMU ProjectOffice Urs Waber provides external project support for SMEs, non-profit organisations, associations and municipalities, offering analysis, project planning, project management and implementation. Services include interim project capacity to cover staffing gaps, stakeholder management, and support in marketing, business development and funding acquisition.

Kraftwerk Schächental AG 

Altdorf Ur · Since 1975

The core activity of Kraftwerk Schächental AG is the generation of electrical energy through the operation of a power plant that utilizes water from the side streams of the Schächental valley to produce electricity.

Kroll Software-Entwicklung 

Altdorf Ur · Since 2006

Kroll Software-Entwicklung develops and distributes desktop software and developer components, including products such as SummerGUI, KS.CRM, FuzzyDupes and KS‑ProjectPlanner. The company also provides custom software development, support and AI/agent systems implemented in Python, and publishes research on neural-network projects.

kumpáan GmbH 

Altdorf Ur · Since 2023

The core activity of kumpáan GmbH is the provision of services in the areas of marketing, events and communication. The company supports customers in the conception and implementation of projects, events and communication measures, offering flexible and project-related expertise and capacities.

Kunststoffsammelsack Schweiz GmbH 

Altdorf Ur · Since 2024

The company is engaged in the collection and processing of plastic waste, particularly packaging and other plastic products. It produces mixed plastic plates, which are then further processed into new, sustainable products such as plant boxes, collection boxes and other household items. The company aims to collect, prepare and convert plastic waste into new products, thereby promoting a circular economy.

Langenberg Bauberatung GmbH 

Altdorf Ur · Since 2022

The core activity of Langenberg Bauberatung GmbH is the provision of consulting services in the field of construction.