Development and manufacturing of vehicle electrical systems, cable sets, cables/wires and plastic components for the automotive industry
Kromberg & Schubert Automotive GmbH & Co. KG
Renningen (administrative headquarters) · Abensberg · Wuppertal · Rhede · Ludwigsfelde · Wolfsburg-Hattorf · Oberpullendorf (AT) · Köszeg (HU) · Bitola (MK) · Medias (RO) · more than 40 sitesNew on Amplifa
About Kromberg & Schubert
Kromberg & Schubert is an automotive supplier specialized in vehicle electrical systems, application-specific cable solutions and plastics technology. The portfolio comprises body, engine, cockpit and door wiring, audio, climate and communication cable sets, battery cables as well as overmolded cable set modules and integrated complete systems. Manufacturing follows globally standardized processes with robot-assisted wiring, automated guided vehicles and wire/cable cutting machines; the in-house ERP solution KROSY links all processes from the customer inquiry to delivery. The products are based on copper wires; in plastics technology, plastic products are developed, manufactured and cable set modules are overmolded. Customers are premium passenger car manufacturers, commercial vehicle manufacturers and automotive suppliers. The company was founded in 1902 in Barmen, employs over 50,000 people at more than 40 sites worldwide and generates revenue of around €2 billion. The administrative headquarters of the GmbH & Co. KG is located in Renningen.
- Site
- Renningen
- Processes
- Vehicle electrical system / cable set manufacturing (body, engine, cockpit and door wiring, audio,, Cable manufacturing / Cable & Wire (production of cables and wires), Plastics technology (development, manufacturing and distribution of plastic products, overmolding of, System development / vehicle electrical system design / simulation of vehicle electrical systems, Testing laboratory tests (type tests, aging tests, long-term studies, 100% inspection of every, Robot-assisted wiring, Vehicle electrical system development, Cable solutions
- Materials
- Copper, Cables & wires (rubber-insulated wires), Cables & Wires, Plastics
- Certificates
- ISO 14001:2015 (group certificate), ISO 45001:2018 (group certificate), IATF 16949:2016, IATF 16949:2016 (Oberpullendorf), IATF 16949:2016 (Köszeg), IATF 16949, ISO 14001 (group certificate), ISO 45001 (group certificate)
- Founded
- 1902
- Employees
- over 50,000 (group
- Industries
- Automotive (passenger cars, premium manufacturers), Commercial vehicles (trucks & buses), Automotive suppliers, Automotive (passenger car premium manufacturers)
- 01
Vehicle electrical system development & simulation
- 02
Prototype development
- 03
Type testing & validation in the testing laboratory
- 04
Wire cutting (cutting shop)
- 05
Robot-assisted wiring & assembly
- 06
Overmolding / plastics technology
- 07
100% inspection
- 08
Logistics & delivery
Materials & Processes
Copper
Base material for cables and wires since the company's founding.
Cables & Wires
Rubber-insulated and modern wires as the starting product of cable set manufacturing.
Plastics
Used in plastics technology, including for overmolding of cable set modules.
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Vehicle electrical system / cable set manufacturing (body, engine, cockpit and door wiring, audio,Joining | – | – | – | – | Copper, Cables & Wires |
| Cable manufacturing / Cable & Wire (production of cables and wires)Plastics | – | – | – | – | Copper |
| Plastics technology (development, manufacturing and distribution of plastic products, overmolding ofPlastics | – | – | – | – | – |
| System development / vehicle electrical system design / simulation of vehicle electrical systemsEngineering | – | – | – | – | – |
| Testing laboratory tests (type tests, aging tests, long-term studies, 100% inspection of everyTesting | – | – | – | – | – |
| Robot-assisted wiringAssembly | – | – | – | – | – |
4 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Cutting shop (wire/cable cutting machines) | – | – | – | – | – |
| Testing technology systems | – | – | – | – | – |
| Robots (robot-assisted automation) | – | – | – | – | – |
| Automated guided vehicles | – | – | – | – | – |
Additional services
Reference customers
Quality & Certifications
Every delivered cable set is 100% tested (zero-defect strategy). Quality methods include FMEA, APQP, product audits, statistical error analysis as well as image processing and AI; the in-house ERP software KROSY ensures seamless traceability. Type tests, aging tests and long-term studies are carried out in the company's own certified testing laboratory.
| Evidence | Abensberg | Rhede | Oberpullendorf | Köszeg | Bitola | Skopje | Medias | Nadab | Kruševac | Kolárovo |
|---|---|---|---|---|---|---|---|---|---|---|
| IATF 16949 | ||||||||||
| ISO 14001 (group certificate) | ||||||||||
| ISO 45001 (group certificate) |
Company History
- 1902
Founded on 15 April 1902 by Paul Kromberg and Ernst Schubert in Barmen (today Wuppertal); manufacturing of rubber-insulated wires, identification by the lilac VDE marker thread.
- 1914
Ernst Schubert withdraws for health reasons; after his death in 1916, Paul Kromberg becomes sole owner.
- 1927
25th company anniversary with 250 employees; son Otto Kromberg has been with the company since 1926.
- 1932
Introduction of the first pre-fabricated cable set for the automotive industry – the beginning of vehicle electrical system competence.
- 1937
Death of Paul Kromberg; son Otto takes over as managing partner, conversion into a limited partnership (Kommanditgesellschaft).
- 1939
Centralization of all operations at the Wuppertal-Langerfeld site.
- 1952
50th company anniversary with 380 employees after wartime destruction and reconstruction.
- 1996
Start of the supply relationship with Volkswagen; further customer partnerships follow (Audi 2003, Porsche 2016).