Metal Construction in
St. Margrethen SG

Schwalm AG

Since 1992 · 11–20 empl.·4.5(8)

The core activity of Schwalm AG is the planning, manufacturing and installation of chimneys, flue and ventilation pipes as well as industrial chimneys, including fire protection solutions.

Metallbau Meier AG

Since 1975 · 11–20 empl.

The core activity of Metallbau Meier AG is the execution of metal construction work and sheet metal processing. This includes in particular the manufacture and assembly of: stairs, windows, doors and gates, balconies and terraces, canopies and roofing, railings and gratings, glazing, and special metal structures for industry. The company offers these services to both private customers and architects, as well as the machinery industry.

Aweldco Service GmbH

Since 2012 · 1–10 empl.

The core activity of Aweldco is metal and steel construction, particularly in the areas of excavation pit securing, elevator dismantling, on-site mobile welding, shoring, protective scaffolding and special deep foundation construction.

Sera Metallbautechnik GmbH

Since 2016 · 1–10 empl.

The core activity of SERA Metallbautechnik GmbH is metal processing and manufacturing, particularly the precise production of metal parts and components for various industries. The company offers individual solutions and services such as development, manufacturing, delivery and storage services, and focuses on the highest precision and customer satisfaction.

KM Fensterbau GmbH

Since 2012 · 1–10 empl.·4.5(4)

The core activity of KM Fensterbau GmbH is the manufacture and installation of windows, doors, glass and wood constructions, as well as interior finishing, facade construction and carports. The company offers individual solutions for new building and renovation projects and advises builders, architects and homeowners on planning and execution of window and door systems.

LST Laser Schweiss Technik GmbH

Since 2010 · 1–10 empl.

Karl Graf

Since 1982 · 1–10 empl.

G4 Textil ZSOLT SZÖNYEGI

Since 2016 · 1–10 empl.

Inox Geländer Samardzic

Since 2017 · 1–10 empl.

RohrTech GmbH

Since 2025 · 1–10 empl.