Special machinery construction for foundry technology: planning, design, manufacturing and assembly of custom systems.
GSM Maschinenbau AG
8733 Eschenbach (registered office) · 8732 Neuhaus (production)New on Amplifa
About GSM Maschinenbau
GSM Maschinenbau AG is a Swiss special machinery manufacturer in the field of foundry technology, headquartered in Eschenbach with a production hall in Neuhaus. The company plans, designs, manufactures and assembles systems and equipment according to customer-specific requirements. It builds machines for which there are no standard solutions or series products on the market; the focus is on robust and long-term reliable designs. From an assembly company founded in 1990, the company has developed into a complete system supplier. Its services cover the entire value chain from planning and design through manufacturing to on-site assembly at the customer's premises. Since 2018 the company has been certified to ISO 9001.
- Site
- CH-8733 Eschenbach
- Processes
- Planning, designing, manufacturing and assembling systems and equipment (special machinery, Planning, Design, Manufacturing, Assembly, Complete system construction
- Materials
- Structural steel, Stainless steel
- Certificates
- ISO 9001
- Founded
- 1990
- Industries
- Foundry technology, Special machinery construction
- 01
Planning
- 02
Design
- 03
Manufacturing
- 04
Assembly
Manufacturing and Processes
Structural steel
Design and manufacture of systems and equipment in structural steel construction.
Stainless steel
Used in system components for foundry technology.
Locations
Neuhaus
CHProduction hall (until 2026)
Eschenbach
CHRegistered office (from 01.06.2026)
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Planning, designing, manufacturing and assembling systems and equipment (special machineryAssembly | – | – | – | – | – |
Additional services
Quality
The company has been certified to ISO 9001 since 2018.
| Evidence | Eschenbach |
|---|---|
| ISO 9001 |
Company History
- 1990
Founding of G-Sperger Montagen, headquartered in 8880 Walenstadt, by Wilhelm and Sabina Güntensperger
- 1992
Relocation of headquarters to 8733 Eschenbach
- 1993
Conversion into G-Sperger Montagen AG
- 2000
Relocation of headquarters to 8640 Rapperswil and renaming to GSM Maschinenbau AG
- 2017
Relocation of headquarters to 8732 Neuhaus and move into the new production hall
- 2018
Certification to ISO 9001; Melanie and Michael Güntensperger become members of the Board of Directors
- 2026
Address change: Schönenweg 7b, 8733 Eschenbach