
Master craft company for steel construction and metal construction: steel structures, stairs, railings, crane runways and custom constructions from Fulda.

Oskar Auth GmbH & Co. KG
Fulda, Innstraße 10New on Amplifa
About Oskar Auth GmbH & Co. KG
Oskar Auth GmbH & Co. KG is an owner-managed master craft company for steel and metal construction based in Fulda. In its own production facility, the company manufactures steel structures such as steel halls, stairs, staircase towers, railings, balconies, handrails, crane runways, platforms and podiums, as well as the installation of fire protection doors. In addition, the range of services includes custom constructions such as crane runway systems, elevator shafts and special machinery, metalworking including facade and building claddings made of stainless steel or sheet metal, and the assembly of industrial installations. Steel, stainless steel and aluminum are processed. Manufacturing equipment includes, among other things, lever shears, a CNC swing bending machine, a roll bending machine, punching machines, saws, milling and turning machines, 15 welding systems up to 400 A and a plasma cutting machine. Customers are commercial clients from industry and business as well as public-sector clients; the company accompanies projects from consulting through planning and design to assembly.
- Site
- Fulda
- Processes
- Steel construction work (stairs, crane runways, platforms, podiums), Metal construction work (railings, handrails, balconies, fences, windows), Custom constructions (crane runway systems, elevator shafts, special machinery), Steel hall construction, Metalworking shop (stainless steel/sheet metal facade cladding, load-bearing structures), MAG welding (metal active gas welding), TIG welding (tungsten inert gas welding), MIG welding
- Materials
- Steel, Stainless steel, Aluminum
- Certificates
- NORM: EN 1090-1:2009+A1:2011, NORM: EN 1090-2:2008+A1:2011, DIN EN ISO 17660:2006, EN 1090-1 (WPK), EN 1090-2 up to EXC3, DIN EN ISO 17660 (reinforcing steel welding)
- Founded
- 1967
- Employees
- 50
- Industries
- Industry, Business, Construction, public-sector clients
- 01
Consulting
- 02
Planning and design
- 03
Cutting (plasma cutting, flame cutting, lever shear)
- 04
Forming (bending, rolling, punching)
- 05
Machining (milling, sawing)
- 06
Welding
- 07
Assembly
Materials & Processes
Steel
Base material for steel structures, halls, stairs, crane runways and load-bearing structures.
Stainless steel
Used in metal construction as well as for stainless steel facade and building claddings.
Aluminum
Used for metal construction work such as railings, balconies and window structures.
Locations

Fulda
DEHeadquarters with production facility, workshop and steel warehouse
- Materials
- Steel, stainless steel, aluminum
- Lever shear up to 16 mm, 3 m length
- CNC swing bending machine 3 m
- Roll bending machine
- Punching machine
- Saw
- Universal tool milling machine
- Lathe
- 15 welding systems up to 400 A
- Plasma cutting machine
- Large steel warehouse with standard profiles
Components & Products







Inside the production





Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Steel construction work (stairs, crane runways, platforms, podiums)Assembly | – | – | – | – | Steel |
| Metal construction work (railings, handrails, balconies, fences, windows)Assembly | – | – | – | – | Steel, Stainless steel, Aluminum |
| Custom constructions (crane runway systems, elevator shafts, special machinery)Engineering | – | – | – | – | Steel |
| Steel hall constructionAssembly | – | – | – | – | Steel |
| Metalworking shop (stainless steel/sheet metal facade cladding, load-bearing structures)Assembly | – | – | – | – | Steel, Stainless steel |
| MAG welding (metal active gas welding)Joining | – | – | – | – | Steel, Stainless steel, Aluminum |
| TIG welding (tungsten inert gas welding)Joining | – | – | – | – | Steel, Stainless steel, Aluminum |
| MIG weldingJoining | – | – | – | – | Steel, Stainless steel, Aluminum |
| Manual arc welding (stick welding)Joining | – | – | – | – | Steel |
| Reinforcing steel welding according to DIN EN ISO 17660:2006Joining | – | – | – | – | Steel |
| Plasma cuttingMachining | – | – | – | – | Steel |
| Flame cuttingMachining | – | – | – | – | Steel |
| Cutting with lever shear (up to 16 mm, 3 m long)Forming | – | 3 m | – | – | Steel |
| Bending (CNC swing bending machine 3 m)Forming | – | 3 m | – | – | Steel |
| Rolling (roll bending machine)Forming | – | – | – | – | Steel |
| MillingMachining | – | – | – | – | Steel |
| PunchingForming | – | – | – | – | Steel |
| SawingMachining | – | – | – | – | Steel |
| Assembly of industrial installationsAssembly | – | – | – | – | Steel |
| Installation of fire protection doorsAssembly | – | – | – | – | Steel |
9 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Lever shear | – | – | up to 16 mm sheet thickness, 3 m length | – | Fulda |
| CNC swing bending machine | – | – | 3 m | – | Fulda |
| Roll bending machine | – | – | – | – | Fulda |
| Punching machine | – | – | – | – | Fulda |
| Saw | – | – | – | – | Fulda |
| Universal tool milling machine | – | – | – | – | Fulda |
| Lathe | – | – | – | – | Fulda |
| Welding system | – | 15 | up to 400 A | – | Fulda |
| Plasma cutting machine | – | – | – | – | Fulda |
Additional services
Reference customers
Quality & Certification
Quality is ensured by certified welders in the MAG, TIG, MIG and manual arc welding processes as well as an in-house production inspection (WPK). The manufacture of load-bearing steel components is carried out in accordance with EN 1090 up to execution class EXC3.
| Evidence | Fulda |
|---|---|
| EN 1090-1 (WPK) | |
| EN 1090-2 up to EXC3 | |
| DIN EN ISO 17660 (reinforcing steel welding) |
History
- 1967
Foundation of Oskar Auth GmbH & Co. KG in Fulda by Oskar Auth, with the construction of a hall complex with office building and workshop for metalworking and steel structures.