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optXview AG 

Engelberg · Since 2008

optXview AG is a software provider for performance management, network visualization, and optimization of mobile networks. The platform consolidates multiple data sources to provide dashboards, root-cause analysis, map-based views, and antenna/parameter optimization tools for 2G–5G networks.

Orfida Treuhand + Revisions AG 

Engelberg · Since 1990

Orfida Treuhand + Revisions AG provides audit, fiduciary and advisory services. Offerings include statutory and limited audits, accounting and payroll services, tax planning and business consulting, as well as support for foreign clients.

Oskar Enander Photography 

Engelberg · Since 2005

The core activity of Oskar Enander Photography is professional photography, particularly in the field of outdoor and ski photography, as well as the creation of fine-art photographs. The company also offers services such as editorial and commercial photography and sells prints of its works.

Outventure AG 

Engelberg · Since 1994

Outventure AG provides outdoor adventure and event services, including canyoning, rock climbing, cave tours, team-building events and pop-up installations. The company also operates seasonal facilities such as a ski lift and a mountain hut at Langis and applies an ISO-aligned safety management system with annually certified activities and trained guides.

Petronate AG 

Engelberg · Since 2011

The core activity of Petronate AG is the provision of services in the energy sector, particularly in the upstream industry (exploration and production of oil and gas) and in the trade of energy commodities. The services include, among others: Reservoir Engineering Services (RE), Geology and Geophysics Services (G&G), E&P Services (Exploration and Production), Energy Commodity Trading, and Training and Coaching for clients. The company offers these services as a network of independent engineers and experts, leveraging the experience and know-how of its employees to develop individual or integrated solutions for clients.

Philipp Guntensperger, Uhren und Brillen 

Engelberg · Since 1992

Photostudio Titlis GmbH 

Engelberg · Since 2016

Photostudio Titlis GmbH provides photographic services, including studio portraits with traditional costumes, greenscreen images, and outdoor shoots. The offering also includes prints and photo packages, and rental of shoes and jackets for cold-weather conditions.

Porsche Motorsport Club Suisse 

Engelberg · Since 2022

The core activity of Porsche Motorsport Club Suisse is the organization and promotion of motorsport events and activities related to the Porsche brand in Switzerland.

Quattro Sport AG 

Engelberg · Since 1978

The core activity of Quattro Sport AG is the rental and sale of sports equipment, particularly in the areas of winter sports (skiing, snowboarding, cross-country skiing) and summer sports (hiking, fitness, tennis), as well as providing services such as winter and summer tuning, stringing service and rental of sports equipment.

RESTOR AG 

Engelberg · Since 1986