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Rail Systems Engineering AG 

Wallisellen · Since 2017

Rail Systems Engineering AG is specialized in train control and train protection and provides engineering and software services for the railway sector. Its offerings include automatic train operation (ATO) components, operations consulting, timetable planning and simulation, data conversion and systems engineering.

Rail Systems Software GmbH 

Wallisellen · Since 2021

Rail Systems Software GmbH develops software and manages databases for handling railway infrastructure segment data. The company is part of the Rail Systems Engineering Group and provides services related to railway software and infrastructure data management.

Randolph Odi Consulting & Investments 

Wallisellen · Since 2021

The core activity of Randolph Odi Consulting & Investments (ROCI) consists of two main areas: 1. **Aerospace Engineering Consulting**: ROCI provides expert knowledge in the fields of cabin modifications, structural repairs, structural substantiation, and project management for such projects. This is based on the over 20 years of experience of founder Dr. Randolph Odi in the aviation and aerospace industry. 2. **Investment Consulting for Start-ups**: ROCI offers consulting and investments for start-ups in Africa and Europe, particularly through the non-profit organization SEEDS. The goal is to support start-ups in improving their reach and quality.

Raum AG Beratung und Umsetzung 

Wallisellen · Since 2016

The company's core activity encompasses two main areas: 1. **Owner's Consulting and Representation**: The company provides independent consulting and representation services for building owners, from project development to realization and acceptance. 2. **Interior Fitting**: The company offers interior fitting services, including objective consulting, technical expertise, and personal commitment, to create a harmonious unit between space and interior design.

Raumkultur gmbh 

Wallisellen · Since 2015

The core activity of Raumkultur GmbH is the conception, development and realization of real estate projects, particularly in the area of single-family homes, semi-detached houses and small multi-family homes. This includes comprehensive services such as architecture, design, interior construction, construction management and project realization, with the goal of creating authentic and aesthetically pleasing properties that meet the individual needs and requirements of customers.

Reckitt Benckiser AG 

Wallisellen · Since 1999

Recruiting Talents GmbH 

Wallisellen · Since 2024

The company's core activity is providing services in the field of Human Resources (HR), particularly in the areas of recruitment, personnel placement, HR consulting, HR outsourcing, and interim management. The company offers specialized solutions to businesses and organizations to meet their personnel needs and optimize their HR processes. This includes, among other things, the search and placement of skilled workers, the takeover of recruitment processes, consulting on HR issues, and the implementation of HR solutions.

REHOME AG 

Wallisellen · Since 2011

REHOME AG provides construction management and site supervision services, including project organization, tendering, contract award processes and construction administration. The company also offers planning and study services (cost planning, feasibility studies, sustainable building), general/total contracting for builds, and property sales for new-builds, conversions and renovations.

REHOME INVEST AG 

Wallisellen · Since 2022

REHOME INVEST AG is a construction and real-estate services company offering construction management, project and site supervision, new builds, extensions, renovations and damage remediation. Services also include cost planning, feasibility studies, tendering and property sales.

Reishauer AG 

Wallisellen · Since 1987

Reishauer AG designs and manufactures gear grinding machines, grinding tools and automation systems for gear production. The company’s portfolio also includes digital products such as the ARGUS monitoring system and the myReishauer platform, process solutions and core components developed and produced in-house.