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OAKBREW SWISS GMBH 

Zug · Since 2021

The core activity of Oakbrew Swiss GmbH is providing services in the field of sports marketing, particularly in the areas of: Major Event Hosting: organization and execution of major sports events; Cycling Partnerships: development and implementation of partnerships in the field of cycling; Advisory Services: strategic consulting for rights holders, host cities and regions in the execution of sports events. The company supports customers in developing marketing strategies, implementing partnerships and executing sports events, especially in the field of cycling.

Tourbillon Labs GmbH 

Zug · Since 2023

Tourbillon Labs GmbH develops high‑performance solutions and protocols for multiple blockchains, including TON, EVM‑compatible chains, and Solana, and explores RGB (Bitcoin‑native smart contract) approaches. Its services include decentralized protocol development, concentrated liquidity models, protocol security engineering, staking and yield systems, UX/UI design, gamification, and cross‑chain interoperability for DeFi applications.

Obermark AG 

Zug · Since 2007

Obermark AG acquires mid-sized companies and retains them as a long-term, responsible owner. It provides capital, experience and management expertise, supporting strategy, key leadership appointments and the ongoing development of its portfolio companies.

Obico Services AG 

Zug · Since 2023

Obico Services AG provides digital and social media marketing services, including SEO management, social campaign management and product branding. The company also supports advertising placement and the development of marketing strategies.

Obiwai GmbH 

Zug · Since 2013

The core activity of Obiwai is the application and dissemination of alternative healing methods and techniques, in particular Quantum Transformation, HUNA, Orgon and Frequency Therapy according to Dr. Royal Raymond Rife, with the aim of improving people's quality of life.

OBRO AG 

Zug · Since 2017

OBRO AG is an independent IT service provider within a corporate group. It designs, operates and develops the group's IT infrastructure (servers, networks, virtualization) and managed security services, maintains the application landscape including lifecycle management, and provides 1st‑ and 2nd‑level support for internal clients.

Oceaneering International GmbH 

Zug · Since 1971

The core activity of Oceaneering International, Inc. encompasses the development and provision of technical solutions for complex operational challenges underwater, on land, and in space. This includes a wide range of services and products such as: inspection, maintenance, and repair (IMR) of facilities; automated guidance and positioning systems (AGVs and C-Nav); data management and analysis; decommissioning of facilities; diving and underwater services; fluid and gas transport systems (Flow Assurance); remotely operated vehicles (ROVs); intervention and tooling technology; and inspection and testing of facilities and materials (NDT). The company focuses on solving complex problems in various industries, including oil and gas, energy, mining, shipping, and aerospace.

Ochsner Balloons 

Zug · Since 2014

The core activity of Ochsner Balloons is the planning and implementation of balloon decorations for various occasions such as weddings, corporate events, birthdays, anniversaries, and other events. The company offers customized balloon arrangements, including bouquets, sculptures, centerpieces, arches, and columns, which are designed in close collaboration with customers to create the desired atmosphere and convey the right message.

Ochsner + Ochsner AG 

Zug · Since 1983

Octane Holding AG 

Zug · Since 2016

Octane Holding AG is a Swiss investment company that holds stakes in firms working on scientific equipment, biofuels and innovative technologies. Its investment focus includes biofuel production, biotechnology, medical devices and diagnostics.