
Metal Construction and Stainless Steel Surface Refinement: Design, Manufacturing, and Assembly from a Single Source

Dingsleder Metallbau GmbH
8434 Tillmitsch, AT · Lenti, HUNew on Amplifa
About Dingsleder Metallbau
Dingsleder Metallbau GmbH is a metal construction company located in Southern Styria, Austria, based in Tillmitsch. Founded in 1991 as a locksmith business, the company is now a group of specialized companies with more than 80 employees. Individual metal constructions are manufactured, such as railings, balconies, fences, terraces, canopies, carports, barrier-free ramps, as well as special custom orders for the private, commercial, and industrial sectors. Materials used are stainless steel and steel; steel surfaces are galvanized, powder-coated, or painted. Stainless steel surface refinement is offered through the subsidiary Niro-Expert (since 2015), whose customers include the food, pharmaceutical, and chemical industries. Components have been manufactured since 2018 at the Lenti, Hungary location (Völkl subsidiary). Customers come from more than 23 countries; there is also extensive experience in managing large projects.
- Site
- Tillmitsch
- Processes
- Metal Construction / Locksmith - Manufacturing and assembly of individual metal structures (e.g.,, Surface refinement of stainless steel (Stainless Steel Finishing, subsidiary Niro-Expert), Surface treatment of stainless steel, Galvanization of steel surfaces, Powder coating or painting of surfaces, Development, manufacturing, and distribution of agricultural machinery, Metal Construction for Private, Commercial, and Industrial Use, Custom Orders
- Materials
- Stainless Steel, Steel
- Certificates
- Certifications
- Founded
- 1991
- Employees
- 80+
- Industries
- Food Industry, Pharmaceutical Industry, Chemical Industry, Agriculture and Forestry (Agricultural Machinery), Construction / Public Sector
- 01
Construction
- 02
Manufacturing
- 03
Surface Refinement
- 04
Assembly
- 05
Project Management
Materials & Processes
Stainless Steel
Durable, maintenance-free material for structures and surface refinement via the subsidiary Niro-Expert.
Steel
Exquisite profiles with high load-bearing capacity for large spans; surfaces galvanized and/or powder-coated or painted.
Sites

Tillmitsch
ATHeadquarters / Production
- Materials
- Edelstahl, Stahl
Lenti
HUComponents Manufacturing (Subsidiary Völkl, since 2018)
Components




Inside the production


Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Metal Construction / Locksmith - Manufacturing and assembly of individual metal structures (e.g.,Assembly | – | – | – | – | Edelstahl, Stahl |
| Surface refinement of stainless steel (Stainless Steel Finishing, subsidiary Niro-Expert)Surface | – | – | – | – | Edelstahl |
| Surface treatment of stainless steelSurface | – | – | – | – | Edelstahl |
| Galvanization of steel surfacesSurface | – | – | – | – | Stahl |
| Powder coating or painting of surfacesSurface | – | – | – | – | Stahl |
| Development, manufacturing, and distribution of agricultural machineryAssembly | – | – | – | – | – |
Additional services
Quality
Quality requirement documented by more than 10,000 successfully completed projects; specific certificates are not publicly listed.
| Evidence | Tillmitsch |
|---|---|
| Certifications |
History
- 1991
Foundation as Dingsleder Landmaschinen OEG by Elfriede and Ferdinand Dingsleder as a locksmith business with the development, manufacturing, and distribution of agricultural machinery.
- 2006
Conversion to GmbH (commercial register entry 25.01.2006); development into a supplier for cross-regional industrial operations.
- 2011
Acquisition by shareholders Ing. Siegfried Tieber and Ing. Roland Löffler.
- 2014
Foundation of subsidiary Tor & Zaunsysteme TZS; general importer of one of the world's largest fence and gate manufacturers.
- 2015
Foundation of NIRO-EXPERT GmbH for stainless steel surface treatment.
- 2018
Acquisition of the components manufacturing operation Völkl in Lenti, Hungary.
- 2023
Change in management: Ing. Roland Löffler and Ing.Dipl.Ing.(FH) Alois Eisler have represented the company since 13.12.2023.
- 2024
Announcements prior to company split (shareholding in NIRO-EXPERT GmbH and TZS GmbH).
- 2025
Löffler Holding GmbH and Eisler Alois Holding GmbH registered as shareholders.