TUBE-TEC Rohrverformungstechnik GmbH, based in Nistertal, is classified as a medium-sized GmbH under § 267 para. 2 HGB and is registered in the commercial register B Montabaur (HRB 5206). The company's business purpose is the manufacture and trade of tube coil systems and tube formed parts as well as the construction of complete plants in apparatus and vessel engineering; production is carried out exclusively on a job-order basis. The company produces cylindrical tube coil systems, flat coils, tube bends, tube spools, components for power plant technology, special fittings and complete welded assemblies and primarily supplies customers in Germany and Europe while shipping worldwide. In the 2024 annual average TUBE‑TEC employed 183 employees (126 industrial, 57 salaried) and 21 apprentices; significant investments in the machine park and CNC equipment were made in prior years and in 2024, expanding in-house production depth.
Herstellung von und der Handel mit Rohrschlangensystemen und Rohrformteilen sowie der Bau von Komplettanlagen im Apparate- und Behälterbau.
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) Montabaur Local Court, HRB 5206 (as of 31 October 2026)
| Name | Type | City |
|---|---|---|
| Claudia Seiler | Geschäftsführer(in) | Limbach |
| Natascha Sommer | Geschäftsführer(in) | Wiesbaden |
Source: German Commercial Register (Handelsregister) Montabaur Local Court, HRB 5206 (as of 31 October 2026)
| Date | Event Type | Event |
|---|---|---|
| 19.03.2026 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 02.08.2018 | Gesellschaftsvertrag amended | Gesellschaftsvertrag |
| 22.02.2018 | Registered Seat Change | Schreibefehlerberichtigung zur |
| Date | Type | Change | Total Capital |
|---|---|---|---|
| 02.08.2018 | Capital Increase | +25.000 € | 102.500 € |
| 20.07.2005 | Share Capital Set | — | 77.500 € |
Source: German Commercial Register (Handelsregister) Montabaur Local Court, HRB 5206 (as of 31 October 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2025 | Rohergebnis€16.9M2 | €430,468 | €11,167,920 | — |
| 2024 | Rohergebnis€13M2 | €169,554 | €8,292,995 | — |
| 2023 | Rohergebnis€15.6M2 | €1,422,414 | €9,388,711 | — |
| 2022 | Rohergebnis€12.8M2 | €743,285 | €9,040,539 | — |
| 2021 | Rohergebnis€10.7M2 | €52,317 | €8,130,696 | — |
| 2020 | Rohergebnis€10.3M2 | €116,832 | €8,167,205 | — |
| 2019 | Rohergebnis€12.2M2 | €66,080 | €9,451,735 | — |
| 2018 | Rohergebnis€11.2M2 | €100,866 | €8,521,680 | — |
| 2017 | Rohergebnis€15.6M2 | €491,388 | €10,179,479 | — |
| 2016 | Rohergebnis€12M2 | €67,934 | €8,572,107 | — |
1 Small companies are not required to publish a profit-and-loss statement (§ 326 (1) HGB). The figure shown is the statutory ceiling under § 267 HGB where the balance-sheet total makes it binding — a company may exceed at most one of the three size criteria.
2 Rohergebnis nach § 276 HGB: Umsatzerlöse abzüglich Materialaufwand bzw. Herstellungskosten. Kleine und mittelgroße Kapitalgesellschaften dürfen diese Posten zusammenfassen; die Umsatzerlöse selbst sind dann nicht veröffentlicht und liegen über dem Rohergebnis.
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Source: German Commercial Register (Handelsregister) Montabaur Local Court, HRB 5206 (as of 31 October 2026)
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Joke Technology GmbH
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| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €8,489,707 | 91.4% |
| Depreciation | €741,330 | 8.0% |
| Interest & Similar | €59,512 | 0.6% |
