Construction company with its own raw material extraction, building materials plants, environmental technology as well as prefabricated garages and room modules made of concrete
GRÖTZ GmbH & Co. KG
Gaggenau · Mannheim · Haigerloch-Gruol · Kabelsketal · Niederdorf · Nürtingen · Lorch-Weitmars · Karlsruhe · Weingarten/Baden · Bietigheim · Haigerloch-WeildorfNew on Amplifa
About GRÖTZ
GRÖTZ GmbH & Co. KG, founded in 1904, is a family-run construction company headquartered in Gaggenau (Baden-Württemberg) with 630 employees at 13 locations in Germany, France and Switzerland. Its range of services includes civil and road engineering, railway construction, structural engineering, building construction and turnkey construction as well as timber-hybrid construction, in which timber and reinforced concrete are combined. The company also carries out bridge and concrete refurbishment as well as conversion, renovation and modernisation of existing buildings, including under ongoing operation. Through its subsidiary MinERALiX GmbH, GRÖTZ operates as a certified waste management specialist in the disposal and recycling of construction rubble, concrete demolition and road excavation, processing these materials into quality-tested building materials. Its own raw material sources (gravel, sand, crushed stone) and its own plants for asphalt, concrete and recycled building materials ensure quality and supply reliability up to the end product. Since 1962, the company has also been a pioneer in the manufacture of prefabricated garages and room modules made of concrete.
- Site
- Gaggenau
- Processes
- Civil and road engineering, Railway construction, Structural engineering, Building and turnkey construction, Timber-hybrid construction, Prefabricated garages and room modules made of concrete (since 1962), Bridge and concrete refurbishment, Conversion, renovation and modernisation of buildings (also under ongoing operation)
- Materials
- Concrete, Reinforced concrete, Timber, Asphalt, Gravel, Sand, Crushed stone, Recycled building materials
- Certificates
- Waste management specialist (certified)
- Founded
- 1904
- Employees
- 630
- Industries
- Construction industry, Residential construction, Commercial construction, Public sector (schools, administrative buildings), Industry
- 01
Raw material extraction (gravel, sand, crushed stone)
- 02
Recycling and processing of construction rubble, concrete demolition and road
- 03
Production of asphalt, concrete and recycled building materials
- 04
Civil, road, railway and structural engineering
- 05
Building and turnkey construction as well as timber-hybrid construction
- 06
Manufacture of prefabricated garages and room modules made of concrete
- 07
Project development and transloading/loading
Building materials and processes
Concrete
Material for prefabricated garages, room modules and structural engineering.
Reinforced concrete
Combined with timber in timber-hybrid construction for load-bearing, economical structures.
Timber
Sustainable building material in timber-hybrid construction for residential, commercial and public buildings.
Asphalt
Building material produced in the company's own plants for road and railway construction.
Gravel
Self-extracted raw material for concrete and building material production.
Sand
Self-extracted raw material from the company's own gravel plants.
Crushed stone
Building material produced in the company's own crushed stone plant in Haigerloch-Weildorf.
Recycled building materials
Quality-tested building materials processed from construction rubble and concrete demolition.
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Civil and road engineeringConstruction | – | – | – | – | – |
| Railway constructionConstruction | – | – | – | – | – |
| Structural engineeringConstruction | – | – | – | – | – |
| Building and turnkey constructionConstruction | – | – | – | – | – |
| Timber-hybrid constructionConstruction | – | – | – | – | Timber, Reinforced concrete |
| Prefabricated garages and room modules made of concrete (since 1962)Construction | – | – | – | – | Concrete |
| Bridge and concrete refurbishmentConstruction | – | – | – | – | Concrete |
| Conversion, renovation and modernisation of buildings (also under ongoing operation)Construction | – | – | – | – | – |
| Processing of concrete, construction rubble, concrete demolition and road excavation intoEngineering | – | – | – | – | Concrete, Construction rubble, Road excavation |
| Production of asphalt, concrete and recycled building materials from own raw materials (gravels,Engineering | – | – | – | – | Gravel, Sand, Crushed stone, Asphalt, Concrete, Recycled building materials |
| Disposal and delivery services (certified waste management specialist)Engineering | – | – | – | – | – |
Additional services
Quality and certification
GRÖTZ is recognised as a certified waste management specialist; processed material streams are turned into quality-tested building materials. Own raw materials and building materials plants ensure quality and supply reliability.
| Evidence | Gaggenau |
|---|---|
| Waste management specialist (certified) |
Company history
- 1904
Founded as a family business
- 1962
Start of production of prefabricated concrete garages; pioneer in this field
- 2024
Apprentices and dual students create the GRÖTZ Christmas beer
- 2025
12th Ski and Hiking Days with 35 participants
- 2026
Second Digital Day on digitalisation in the construction industry (drone surveying, AI, model-based construction scheduling)