Contract manufacturing and metal construction in steel, stainless steel and aluminium – from sheet metal working to steel construction

Metallbau Wittberger GmbH
Carl Auer von Welsbach Straße 12, 4614 Marchtrenk, AustriaNew on Amplifa
About Metallbau Wittberger
Metallbau Wittberger GmbH is a family-owned metalworking company in Marchtrenk, Upper Austria, active in metal and mechanical engineering since 2001. Its range of services extends from sheet metal working to structural steelwork: The company manufactures components and constructions in steel, stainless steel and aluminium according to drawing or plan, in particular as contract manufacturing for industrial customers. A dedicated production area specialising in stainless steel processes grades 1.4301, 1.4404 and 1.4571; surfaces can be ground (workpieces up to 6 m in length), glass bead blasted, hot-dip galvanised, electro-galvanised, painted or powder coated. In addition to contract manufacturing for industrial customers and mechanical engineering, the company offers railing, staircase and balcony construction as well as canopies and terrace roofing with VSG laminated glass. Since 2014 the company has been certified to EN 1090 EXC 2 and EN 15085 CL2 and produces on approximately 1200 m² of production space.
- Site
- Marchtrenk
- Processes
- Contract manufacturing steel (steel construction, sheet metal working to steel structures), Hot-dip galvanising, Electro-galvanising, Painting, Powder coating, Contract manufacturing stainless steel, Belt grinding (surface grinding), Glass bead blasting
- Materials
- Steel, Stainless steel, Aluminium, 1.4301, 1.4404, 1.4571, Stainless steel 1.4301 / 1.4404 / 1.4571, Belt grinding
- Certificates
- EN 1090 EXC 2, EN 15085 CL2
- Founded
- 2001
- Industries
- Contract manufacturing for industrial customers, Mechanical engineering, Railing, balcony and roofing construction for private customers, Industrial customers (contract manufacturing), Private customers (railing construction, stainless steel processing,
- 01
Construction according to drawing/plan
- 02
Sheet metal working and steel construction
- 03
Surface treatment (grinding, glass bead blasting, galvanising)
- 04
Assembly and delivery
Materials & Processes
Steel
From sheet metal working to steel constructions, on request with corrosion protection (hot-dip galvanising, electro-galvanising) or painting/powder coating.
Stainless steel 1.4301 / 1.4404 / 1.4571
Common stainless steel grades are standard stock and can be processed within a few working days.
Aluminium
Lightweight constructions such as covers, claddings and plant components.
Belt grinding
Surface grinding of workpieces up to 6 m in length for a clean stainless steel look.
Glass bead blasting
Glass bead blasted stainless steel parts on request.
Locations
Marchtrenk
ATProduction facility with office building (headquarters)
- Materials
- Steel, stainless steel (1.4301, 1.4404, 1.4571), aluminium
- Belt grinding machine (workpieces up to 6 m in length)
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Contract manufacturing steel (steel construction, sheet metal working to steel structures)Joining | – | – | – | – | Steel |
| Hot-dip galvanisingSurface | – | – | – | – | Steel |
| Electro-galvanisingSurface | – | – | – | – | Steel |
| PaintingSurface | – | – | – | – | Steel |
| Powder coatingSurface | – | – | – | – | Steel |
| Contract manufacturing stainless steelJoining | – | – | – | – | 1.4301, 1.4404, 1.4571 |
| Belt grinding (surface grinding)Surface | – | 6 m | – | – | Stainless steel |
| Glass bead blastingSurface | – | – | – | – | Stainless steel |
| Contract manufacturing aluminium (covers, claddings, plant components)Joining | – | – | – | – | Aluminium |
| Railing and staircase constructionAssembly | – | – | – | – | Stainless steel, Steel |
| Balcony and roofing construction (canopies, terrace roofing incl. glass covering, VSG)Assembly | – | – | – | – | Stainless steel |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Belt grinding machine | – | – | Workpieces up to 6 m in length | – | Marchtrenk |
Additional services
Quality & Certifications
Production is certified to EN 1090 EXC 2 (steel construction) and EN 15085 CL2 (welding in rail vehicle construction). A dedicated stainless steel production area, purpose-matched machinery and trained staff ensure workpiece quality.
| Evidence | Marchtrenk |
|---|---|
| EN 1090 EXC 2 | |
| EN 15085 CL2 |
Company History
- 2001
Foundation of the sole proprietorship by Gerald Wittberger in Schafwiesen, Wels; contract manufacturing for industrial customers as well as railing construction and stainless steel processing for private customers.
- 2002
Due to strong order volume, the first employees are hired.
- 2005
Conversion into Metallbau Wittberger GmbH in October.
- 2006
Move to the new production facility with office building in Marchtrenk.
- 2012
Expansion of the production hall from 900 m² to 1200 m².
- 2014
Certifications EN 1090 EXC 2 and EN 15085 CL2; expansion of the contract manufacturing business segment.
- 2018
DI (FH) Alexander Wittberger officially takes over the management from company founder Gerald Wittberger.