Facts
BenderWire Group in numbers.
All key facts about the group on a single page — origin, locations, product range, materials and certifications, kept current.
1815
Founded
Heinrich Stamm – trading as BenderWire Group since 2025.
5
Locations
Three plants in Germany, two in the USA.
0.011 – 15 mm
Dimension range
From 11 micron fine wire up to 15 mm bright wire.
59
Materials
Documented material numbers, each with its own detail page.
~2,500 t
Wire stock
Stainless steel wire stock for short-notice deliveries.
family-owned
Ownership
Independent and family-run.
Locations
Addresses and contact
Five plants, one network.
| Plant | Location | Focus |
|---|---|---|
| Hagener Feinstahl | Hagen, Germany | Bright wire 0.20 – 15.00 mm |
| Stamm Feindrahtwerk | Iserlohn, Germany | Fine wire down to 0.011 mm (11 micron) |
| Sassenscheidt Feindrahtwerk | Nachrodt-Wiblingwerde, Germany | Strands and ropes |
| Tri Star Metals | Freeport, IL, USA | Stainless special wire |
| Siri Wire | Danielson, CT, USA | Stainless precision wire |
Answered briefly
The most common questions about the group.
- What does BenderWire Group manufacture?
- Stainless steel wire in four product families: bright wire, fine wire, strands and ropes, plus special and precision wire. The dimension range covers 0.011 mm (11 micron) up to 15 mm.
- Which materials does BenderWire process?
- Stainless steel and stainless alloys at the core: acid-resistant and heat-resistant grades plus aerospace grades. Non-ferrous metals complement the range for defined applications. In total 59 material numbers are documented, each with its own detail page at benderwire.group/en/materials.
- Where does BenderWire Group produce?
- At five locations: Hagen, Iserlohn and Nachrodt-Wiblingwerde in Germany, plus Freeport (Illinois) and Danielson (Connecticut) in the USA.
- Which certifications does the group hold?
- Certified to ISO 9001, ISO 14001 and ISO 45001 as well as DIN EN ISO 50001 (TÜV NORD CERT), alongside memberships in industry and research associations.
- How old is the company?
- The oldest business in the group, Heinrich Stamm, was founded in 1815. The group has been trading as BenderWire Group since 2025.
- Which industries does BenderWire serve?
- Among others construction and infrastructure, automotive, filtration, medical technology, energy and environmental technology, and aerospace.
- Does BenderWire Group also draw copper wire or carbon steel wire?
- No. We specialise in stainless steel and stainless alloys — from 0.011 mm to 15 mm across all common grades. Selected non-ferrous metals (e.g. copper alloys) complement the range for defined applications only. Carbon (mild) steel wire is not part of our programme.
Contact
Tell us your specification — we will answer in English.
General enquiries
info@benderwire.groupSales & quotations
vertrieb@benderwire.groupSiri Wire (USA)
bhitchcock@siriwire.com