
Cement, ready-mixed concrete, aggregates, precast elements and dry construction materials for regional building material needs.

Südbayerisches Portland-Zementwerk Gebr. Wiesböck & Co. GmbH (Rohrdorfer Unternehmensgruppe)
Germany (Group headquarters) · Austria (70 sites) · Italy · HungaryNew on Amplifa
About Rohrdorfer
The Rohrdorfer Group produces building materials for regional needs in Germany, Austria, Italy and Hungary; its sales area additionally covers Switzerland. The product range extends from cement, ready-mixed concrete, sand, gravel and crushed stone to precast elements and concrete products, dry construction materials, screed and backfill materials. The offering is complemented by in-house concrete technology with the development and production of concrete admixtures, concrete pumping services as well as products and services in the field of environmental technology, in particular the acceptance, processing and landfilling of excavated soil and construction waste. In Austria, the company is represented with around 70 sites in the concrete as well as sand & gravel divisions; around 600 employees work within the Group. The products are used, among other things, in the construction of housing, transport routes and infrastructure as well as commercial and industrial facilities. Selected sites hold industry-specific sustainability certificates under the Concrete Sustainability Council (CSC).
- Site
- Germany (Group headquarters)
- Processes
- Ready-mixed concrete production, Concrete pumping services, Cement production, Production of concrete admixtures, Production of precast elements and concrete products, Production of dry construction materials and screed, Extraction of sand and gravel (aggregates), Acceptance, processing and landfilling of excavated soil and construction waste (environmental
- Materials
- Ready-mixed concrete, Cement, Sand, Gravel, Crushed stone, Screed, Backfill materials, Concrete products
- Certificates
- CSC (Concrete Sustainability Council)
- Employees
- 600
- Industries
- Residential construction, Transport routes/infrastructure, Commercial and industrial construction
- 01
Extraction of aggregates (sand, gravel, crushed stone)
- 02
Cement production
- 03
Development and production of concrete admixtures (building materials
- 04
Ready-mixed concrete production in individual mix designs
- 05
Concrete pumping services
- 06
Production of precast elements, concrete products, dry construction materials
- 07
Environmental technology: acceptance, processing and landfilling of excavated
Building materials and products
Cement
Basic building material of the Group, contained in almost all products of the Rohrdorfer Group.
Ready-mixed concrete
Concrete adapted in individual mix designs for housing, transport routes, infrastructure as well as commercial and industrial construction.
Sand, gravel, crushed stone
Aggregates as a raw material for our own production and as a building material for the region.
Precast elements and concrete products
Prefabricated concrete products for regional construction needs.
Dry construction materials and screed
Building materials for interior construction and auxiliary construction needs from our own production.
Concrete admixtures
Admixtures for concrete production developed and produced in the in-house building materials technology division.
Backfill materials and special building materials
Materials for individually adapted solutions on the construction project.
Sites

Austria
AT70 sites in the concrete and sand & gravel divisions
- Materials
- Ready-mixed concrete, sand, gravel, crushed stone, screed, backfill materials
- Concrete pump

Germany
DEGroup sites in the cement division, among others with Group headquarters
- Materials
- Cement, dry construction materials
- CO2 recovery plant (first in the German cement industry, 2022)
- Pilot plant for tempered clays (2025)
Italy
ITProduction site
Hungary
HUProduction site
Construction products

Inside the production



Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Ready-mixed concrete productionCasting | – | – | – | – | cement, sand, gravel, concrete |
| Concrete pumping servicesCasting | – | – | – | – | concrete |
| Cement productionCasting | – | – | – | – | cement raw materials, tempered clays |
| Production of concrete admixturesEngineering | – | – | – | – | – |
| Production of precast elements and concrete productsCasting | – | – | – | – | concrete |
| Production of dry construction materials and screedCasting | – | – | – | – | dry construction materials, screed |
| Extraction of sand and gravel (aggregates)Other | – | – | – | – | sand, gravel, crushed stone |
| Acceptance, processing and landfilling of excavated soil and construction waste (environmentalOther | – | – | – | – | excavated soil, construction waste |
3 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| CO2 recovery plant (first in the German cement industry) | – | 1 | – | 2022 | – |
| Pilot plant for tempered clays | – | 1 | – | 2025 | – |
| Concrete pump | – | – | – | – | – |
Additional services
Quality and sustainability
Selected sites of the Group hold sustainability certificates under the Concrete Sustainability Council (CSC). The in-house building materials technology covers concrete technology, innovations as well as the development and production of concrete admixtures.
| Evidence | Selected sites of the Group |
|---|---|
| CSC (Concrete Sustainability Council) |
History
- 2022
Commissioning of the first CO2 recovery plant in the German cement industry
- 2025
Commissioning of a pilot plant for tempered clays; first sustainability report according to the VSME standard
- 2026
Rohrdorfer Umwelttechnik trains an apprentice for the first time