Heyco
German industrial tooling and automotive manufacturing-support company serving vehicle producers and industrial customers.
Last updated August 24, 2026
Overview
Heyco GmbH & Co. is a German industrial manufacturing company headquartered in Remscheid, North Rhine-Westphalia. Founded in 1937 by Max and Ernst Heynen, the business began by producing hand tools for the early automotive sector and subsequently developed into a supplier of tooling, production equipment, polymer components, and electrical protection systems. Its work is closely associated with automotive manufacturing, particularly the tooling and production-support requirements of German vehicle makers. The company’s traditional business is the manufacture of tools for vehicle assembly and service applications. Heyco produces custom tooling for automotive production companies and has supplied or supported tool kits associated with a range of European vehicle marques, including Volkswagen, Opel, Ford, Volvo, BMW, Mercedes-Benz, Rover, Land Rover, and Rolls-Royce. Its products can therefore appear both in factory production environments and in vehicle tool kits supplied for maintenance or emergency use. Heyco expanded beyond its original Remscheid base during the post-war growth of the European automobile industry. In 1945, it began making tools for automobile assembly-line production, broadening its role from hand-tool manufacturing to industrial production support. The company opened a site in Tittling, Bavaria, in 1961 and established a second German site in Derschen, Rhineland-Palatinate, in 1981. Its first foreign subsidiary, Shamrock Forge & Tools, was founded in Ireland in 1973. Heyco has also operated production facilities in Ireland and the Czech Republic, giving it a manufacturing footprint beyond Germany. A major diversification took place in 1980, when Heyco acquired Carl Steinmann Kunststoffverarbeitung GmbH in Remscheid and entered plastics processing. This move added polymer manufacturing capabilities to the company’s toolmaking base. Heyco’s industrial materials and component activities include polymer parts, plastic foils, aluminum-laminated fiberglass textures, long-glass composites, synthetic leather, and polyurethane-foam parts. These capabilities support automotive interiors, vehicle production processes, and other industrial applications where formed, laminated, reinforced, or protective materials are required. Heyco also supplies electrical connector and wire-protection systems for industrial and automotive use. These products extend the company’s role from mechanical tooling into component protection and routing, areas that are important for vehicle electrical systems and industrial equipment. The combination of metal tooling, plastics processing, composite materials, and wire-management products gives Heyco a diversified industrial profile rather than that of a single-category hand-tool brand. The company’s positioning is primarily business-to-business. It competes through manufacturing expertise, customized tooling, production reliability, and the ability to support original-equipment manufacturers and industrial customers with both tools and engineered components. Publicly available reference material identifies BMW, Audi, Volkswagen, and Mercedes-Benz among the German automotive production companies for which Heyco has manufactured custom tooling. The available information does not establish a separate consumer-facing brand strategy, public listing, ownership structure, or detailed current financial profile.
History
Heyco was established in 1937 in Remscheid by Max Heynen and Ernst Heynen. Its initial business focused on hand tools for the developing automotive industry. Remscheid had an established tradition of metalworking and tool production, providing an industrial base from which Heyco could serve vehicle manufacturers and related customers. Following the Second World War, Heyco began producing tools for automobile assembly-line operations in 1945. This represented an important change in scale and application: the company was no longer limited to general hand tools but was increasingly involved in the organized production processes of vehicle manufacturers. Its later custom-tooling activities developed from this industrial orientation. The company expanded geographically within Germany in 1961, when it opened a site in Tittling, Bavaria. In 1973, Heyco established its first foreign subsidiary, Shamrock Forge & Tools, in the Republic of Ireland. A further German location opened in Derschen, Rhineland-Palatinate, in 1981. Heyco subsequently operated production facilities in Ireland and the Czech Republic, creating a broader Central European manufacturing network. Heyco diversified into plastics processing in 1980 through the takeover of Carl Steinmann Kunststoffverarbeitung GmbH, another Remscheid-based company. The acquisition added polymer-processing expertise to the company’s established metalworking and tooling capabilities. From this point, Heyco’s activities encompassed not only tools but also polymer parts, plastic films, composite and laminated materials, synthetic leather, and polyurethane foam components. Its automotive business has included custom tooling for German vehicle manufacturers such as BMW, Audi, Volkswagen, and Mercedes-Benz. Heyco products have also been associated with tool kits supplied in European vehicles from manufacturers and marques including Volkswagen, Opel, Ford, Volvo, BMW, Mercedes-Benz, Rover, Land Rover, and Rolls-Royce. These applications illustrate the company’s two related roles: supplying production equipment to manufacturers and providing tools intended for inclusion with vehicles. In addition to tooling and plastics, Heyco manufactures electrical connector and wire-protection systems for industrial and automotive applications. This activity broadens its portfolio into the protection and organization of wiring and electrical connections, complementing its mechanical and polymer-processing businesses. The available reference material presents Heyco as an active industrial company with German roots, European production activities, and a customer base centered on automotive and industrial manufacturing. Detailed information about its current leadership, ownership, financial performance, and recent strategic developments is not established in the supplied sources.
- 1981Derschen site opened
Heyco opened a second additional German site in Derschen, Rhineland-Palatinate.
- 1980Entry into plastics processing
The acquisition of Carl Steinmann Kunststoffverarbeitung GmbH brought plastics processing into Heyco’s business portfolio.
- 1973First foreign subsidiary established
Heyco founded Shamrock Forge & Tools in the Republic of Ireland as its first foreign subsidiary.
- 1961First additional German site
Heyco expanded beyond Remscheid by opening a facility in Tittling, Bavaria.
- 1945Expansion into assembly-line automotive tools
After the Second World War, Heyco began producing tools for automobile assembly-line manufacturing.
- 1937Company founded in Remscheid
Max Heynen and Ernst Heynen founded Heyco in Remscheid, Germany, initially producing hand tools for the automotive industry.
Products and positioning
A German business-to-business industrial supplier combining automotive tooling, hand-tool manufacturing, plastics processing, engineered materials, and electrical wire-protection systems. Heyco is positioned around customized production support for vehicle manufacturers and industrial customers rather than mass-market consumer branding.
Automotive production toolingIndustrial tooling1945
Heyco manufactures tools used in automobile production and assembly-line environments. Its tooling business includes customized equipment made for automotive production companies, particularly German manufacturers. The products serve factory operations rather than being limited to general-purpose retail hand tools.
Automotive tool kitsVehicle equipment
Heyco supplies tools used in European automobile tool kits. Reference material associates the company’s kits with vehicles from Volkswagen, Opel, Ford, Volvo, BMW, Mercedes-Benz, Rover, Land Rover, and Rolls-Royce. These kits are intended for vehicle maintenance or roadside use and represent an extension of Heyco’s automotive hand-tool heritage.
Polymer and plastic componentsPlastics processing1980
Following its 1980 entry into plastics processing, Heyco developed capabilities for producing polymer parts and plastic foils. These materials and components support automotive and industrial applications where formed, flexible, or molded plastics are required.
Composite and laminated materialsAdvanced materials
Heyco’s materials portfolio includes aluminum-laminated fiberglass textures and long-glass composites. These products are part of its broader industrial materials activity and are intended for applications requiring reinforced, laminated, or textured material structures.
Interior and foam materialsAutomotive materials
The company also processes synthetic leather and polyurethane foam parts. These materials can support automotive interior and cushioning applications, although the supplied reference does not specify individual vehicle programs or product names.
Electrical connector and wire-protection systemsElectrical components
Heyco manufactures electrical connector systems and wire-protection products for industrial and automotive customers. The portfolio addresses the protection, routing, and connection of wiring in vehicles and industrial equipment, complementing the company’s mechanical tooling and polymer capabilities.
Flagship businesses
- Custom tooling for automotive assembly and production
- Automotive and industrial tool kits
- Polymer-processed and composite vehicle components
- Electrical connector and wire-protection systems
Brand decisions
- 1980Acquisition of Carl Steinmann KunststoffverarbeitungM&A
Heyco sought to broaden its established tooling and metalworking activities into plastics processing.
What changed. The company took over Carl Steinmann Kunststoffverarbeitung GmbH in Remscheid.
Aftermath. The transaction added polymer-processing capabilities and supported Heyco’s later portfolio of plastic, composite, synthetic-leather, and polyurethane-foam products.
Sources
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