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Geilinger AG 

Winterthur · Since 1977

The core activity of Geilinger AG is metal and façade construction, particularly the planning, manufacture and installation of metal structures, façades, doors, windows and other building elements made of metal and wood-metal. This also includes special services such as fire protection and customer service.

Gigli Baumanagement 

Winterthur · Since 2020

The core activity of Gigli Baumanagement is the provision of services in the field of construction management, construction supervision and construction consulting, particularly in the areas of high-rise construction, renovation, civil engineering and environmental construction.

Glinz Bauleitungen 

Winterthur · Since 2013

The core activity of Glinz Bauleitungen is the provision of construction management services, in particular through the services of the certified construction manager Daniel Glinz.

Goastore GmbH 

Winterthur · Since 2014

The core activity of Goastore GmbH is the online sale of music, particularly electronic dance music and related genres such as Psy-Trance, Progressive-Trance, House, Techno, Chillout and Electronica. The company offers a wide range of music products, including CDs, vinyls and digital downloads, and ships them worldwide.

Gomex AG 

Winterthur · Since 1971

Gomex AG designs, manufactures and sells rotor-feeding machines (Air-Power-Pumps, APP) and related wear parts. Its pneumatic conveying systems are used for materials unsuitable for standard concrete pumps — for example sand, gravel, lightweight concrete, granulates and humus-like substances — and the company also supplies spray and mortar-processing equipment and hoses.

GPA Global Procurement Assistance Switzerland GmbH 

Winterthur · Since 1998

The core activity of Global Procurement Assistance (GPA) is to provide global procurement and logistics solutions for industrial companies. This includes in particular: * Global Sourcing: Searching and selecting suitable suppliers worldwide to reduce material costs * Procurement Consulting: Supporting the optimization of procurement processes and strategies * Logistics Management: Organizing and controlling logistics processes, including production and supply chain management * Project Management: Implementing projects in the areas of Global Sourcing, Procurement and Logistics * Coaching and Consulting: Supporting companies in implementing Global Sourcing strategies and optimizing procurement processes. GPA thus offers its customers a comprehensive range of services to optimize their procurement and logistics processes and strengthen their competitiveness.

Graf Liegenschaften GmbH 

Winterthur · Since 2019

Graf Liegenschaften GmbH manages, sells and rents real estate. The firm provides property management for own and external buildings, offers partial financing or mortgage brokerage, sells investment properties and develops condominium projects with partner architects, primarily in the Zürich, Zug, Schwyz and Thurgau areas. It also maintains social housing, supports local associations and annually covers tenants' heating and ancillary costs as a holiday gift.

Graf Technik GmbH 

Winterthur · Since 2010

The core activity of Graf Technik GmbH includes the manufacture of metal parts according to customer specifications in a mechanical workshop, the sale and installation of gates and doors of all kinds, as well as the sale and maintenance of mobile wood debarking machines.

GR Software Günter Rössler 

Winterthur · Since 2008

The core activity of GR-SOFTWARE Günter Rössler Software Development is the development of individual software and software components, particularly based on C#, C/C++, ASP.NET, WEBAPI, and Angular, as well as the creation of components such as.NET controls, OCX, ActiveX, COM, COM+, and Windows services.

herzhaft gastro AG 

Winterthur · Since 2022

The company "herzhaft gastro AG" is a gastronomy company that specializes in the conception and implementation of culinary projects and events. The core activity of the company includes the planning, organization and execution of gastronomy projects, such as pop-up restaurants, events and catering services.