Zelter GmbH manufactures exclusively at its Hennef site and is specialized in machining turbocharger housings. Its core service is high‑technology machining of cast parts; the company also provides assembly services and independently develops product‑specific fixtures and tools. Zelter primarily operates as a Tier‑2 supplier and uses only standard CNC machines; revenues for the short fiscal year amounted to EUR 15,302,112.91 and related exclusively to components for turbochargers. During the reporting period the company employed on average 23 salaried employees and 137 industrial workers, and it holds certifications ISO/TS 16949, OHSAS 18001, ISO 14001 and ISO 50001.
Die Herstellung von und der Handel mit Maschinen, Vorrichtungen und Zubehör für die Maschinen- und Automobilindustrie.
Converted using the official Destatis and Eurostat correspondence tables; ISIC Rev. 4 is the United Nations' international industry classification.
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Source: German Commercial Register (Handelsregister) Siegburg Local Court, HRB 2731 (as of 20 October 2026)
| Name | Type | City |
|---|---|---|
| Jörg Gregel | Geschäftsführer(in) | Bückeburg |
| Carsten Paris | Geschäftsführer(in) | Essen |
Source: German Commercial Register (Handelsregister) Siegburg Local Court, HRB 2731 (as of 20 October 2026)
| Date | Event Type | Event |
|---|---|---|
| 15.03.2016 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 07.01.2016 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 21.05.2015 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 11.09.2002 | Share Capital Set | — | 639.200 € |
Source: German Commercial Register (Handelsregister) Siegburg Local Court, HRB 2731 (as of 20 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2016 | €15,302,113 | €0 | €19,606,187 | 160 |
| 2015 | €25,823,142 | €0 | €19,763,702 | 162 |
| 2014 | €7,960,964 | €90,366 | €20,582,397 | 161 |
| 2013 | €31,647,277 | -€1,445,206 | €18,986,844 | 162 |
| 2012 | €42,645,543 | €3,487 | €21,030,881 | 195 |
| 2011 | €54,631,231 | -€871,633 | €26,118,853 | 197 |
| 2010 | €49,914,752 | -€2,868,960 | €25,486,595 | 228 |
| 2009 | €55,885,876 | -€10,222,960 | €24,491,710 | 343 |
| 2008 | €118,730,888 | €74,986 | €31,322,281 | 431 |
| 2007 | €130,225,141 | €3,440,520 | €36,919,556 | 405 |
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Source: German Commercial Register (Handelsregister) Siegburg Local Court, HRB 2731 (as of 20 October 2026)
Airtec Pneumatic GmbH
Kronberg im Taunus · Herstellung von sonstigen nicht wirtschaftszweigspezifischen Maschinen a. n. g.
Kraft und Bauer Brandschutz-Systeme GmbH
Holzgerlingen · Herstellung von sonstigen nicht wirtschaftszweigspezifischen Maschinen a. n. g.
FAUDI GmbH
Stadtallendorf · Herstellung von sonstigen nicht wirtschaftszweigspezifischen Maschinen a. n. g.
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €4,238,638 | 32.0% |
| Material Costs | €7,277,562 | 55.0% |
| Depreciation | €1,168,446 | 8.8% |
| Interest & Similar | €555,770 | 4.2% |
