Our Portfolio

Independent brands, shared values – a strong network of niche specialists.

STS Oberholz logo
OEM systems supplier, RV industry

STS Oberholz GmbH & Co. KG

STS Oberholz is the market and technology leader for locking technology in the RV and caravan industry. As an OEM systems supplier, the company supplies the recreational vehicle industry worldwide with locking systems, closure technology, and accessory parts for series production – from design engineering through tooling and process development to series manufacturing and assembly. Direct, long-standing relationships with the leading manufacturers in Europe, North America, and Asia, combined with deep manufacturing capability and process reliability, make STS Oberholz a dependable development and systems partner.

Core competencies: Locking and closure systems · Worldwide OEM series supply · Zinc die-cast and plastic components · Development & engineering · Spare parts business

NKK GmbH logo
Rail & bus components

NKK GmbH

NKK is a specialized supplier of components and spare parts for rail vehicles and buses. Its focus is on reverse engineering: NKK reconstructs, qualifies, and produces parts that are no longer available from the original manufacturer, thereby securing the availability of fleets across their entire life cycle. Operators, maintainers, and vehicle manufacturers receive technically documented parts that are identical in form, fit, and function – including in small batch sizes.

Core competencies: Reverse engineering & obsolescence management · Rail vehicle and bus components · Spare parts supply · Sampling & documentation · Small-batch production

Further holdings: Beyond these, Glatz-Gruppe holds minority stakes in further companies with a comparable niche focus.

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