Dr. Ruf Engineering GmbH is an engineering firm based in Ludwigsburg, specializing in the planning of traffic facilities and technical equipment. The core business includes consulting, project management, project control, and project leadership for various traffic projects. The company is managed by Dr. Axel Ruf as the sole managing director and employs a small team consisting of one employee and two part-time staff. The company reports a balance sheet total of approximately 611,445 euros, with a significant portion of assets consisting of receivables from shareholders.
Gegenstand des Unternehmens sind folgende Kerngeschäfte: Verkehrsprojekte Beratung Planung Projektleitung Projektsteuerung Projektmanagement
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) Stuttgart Local Court, HRB 311196 (as of 6 September 2026)
| Name | Type | City |
|---|---|---|
| Axel Ruf | Geschäftsführer(in) | Benningen am Neckar |
Source: German Commercial Register (Handelsregister) Stuttgart Local Court, HRB 311196 (as of 6 September 2026)
| Year | Revenue | Profit | Balance | Employees |
|---|---|---|---|---|
| 2023 | €158,821 | -€2,450 | €611,445 | 2 |
| 2022 | €137,476 | €7,380 | €994,194 | — |
| 2017 | €170,173 | -€20,925 | €937,724 | 4 |
| 2016 | €320,832 | -€5,027 | €1,066,766 | 1 |
| 2015 | €571,210 | €58,213 | €1,221,628 | 3 |
| 2014 | €751,933 | €139,710 | €1,154,056 | 7 |
| 2013 | €790,388 | €185,843 | €1,027,061 | 1 |
| 2012 | €528,811 | €140,012 | €954,265 | 1 |
| 2011 | €434,516 | €97,888 | €842,009 | 1 |
| 2010 | €578,293 | €71,577 | €720,309 | 3 |
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Source: German Commercial Register (Handelsregister) Stuttgart Local Court, HRB 311196 (as of 6 September 2026)
Eisenbahninfrastrukturgesellschaft Aurich-Emden mbH (EAE)
Aurich · Betrieb von Verkehrswegen für Schienenfahrzeuge
Flughafen Stuttgart Gesellschaft mit beschränkter Haftung
Stuttgart · Personenbeförderung in der Luftfahrt
Halbig & Neukum GmbH
Wanfried · Betrieb von Bahnhöfen für den Personenverkehr einschließlich Omnibusbahnhöfen
| Cost type | Amount | Share |
|---|---|---|
| Personnel Costs | €40,818 | 98.6% |
| Depreciation | €208 | 0.5% |
| Interest & Similar | €371 | 0.9% |
