Stuttgarter Straßenbahnen AG: contracts awarded without a rival: 38 uncontested awards; 19% of its awards; 25 suppliers; 29 single bid.
Assay record ASY-DE-0GZCUVY18E · Cite as: Assay Systems, “Stuttgarter Straßenbahnen AG: contracts awarded without a rival (Germany)”, https://assay-systems.com/register/de/uncontested/b/stuttgarter-stra-enbahnen-ag/
Stuttgarter Straßenbahnen AG made 38 of its 198 public contract awards without a rival from 2023-11-09 to 2026-09-10: 9 without a competition and 29 after a competition that drew a single bid, to 25 suppliers; the most to RAILBETON HAAS GmbH, 5.
An award is uncontested when the buyer had no rival offer to weigh: it was made without a competition (direct award, negotiated procedure without a call for tenders, sole-source or advance-notice contract), or a competition was held and only one bid arrived. Every count below is built award by award from the official notices. Awards to individuals are not included.
Stuttgarter Straßenbahnen AG gave RAILBETON HAAS GmbH 7 awards: 0 without a competition, 5 after a competition with a single bid. First 2024-03-28, latest 2026-04-10.
Stuttgarter Straßenbahnen AG gave Siemens Mobility GmbH 4 awards: 4 without a competition, 0 after a competition with a single bid. First 2025-06-04, latest 2026-07-13.
Stuttgarter Straßenbahnen AG gave INDUTEC GmbH 3 awards: 0 without a competition, 3 after a competition with a single bid. First 2024-09-11, latest 2025-01-30.
Stuttgarter Straßenbahnen AG gave DB Engineering & Consulting GmbH / Region Deutschland Südwest 2 awards: 0 without a competition, 2 after a competition with a single bid. First 2025-12-22, latest 2025-12-22.
Stuttgarter Straßenbahnen AG gave Fehlings Narosch Gleistechnik und Entsorgung GmbH 5 awards: 0 without a competition, 2 after a competition with a single bid. First 2023-12-04, latest 2026-09-10.
Stuttgarter Straßenbahnen AG gave Siemens Mobility GmbH, SMO RI D 5 2 awards: 0 without a competition, 2 after a competition with a single bid. First 2025-08-07, latest 2026-08-05.
Stuttgarter Straßenbahnen AG gave Siemens AG, RC-DE BT SDW STG 2 awards: 1 without a competition, 1 after a competition with a single bid. First 2025-04-09, latest 2026-04-10.
Stuttgarter Straßenbahnen AG gave SPL Powerlines Germany GmbH 2 awards: 0 without a competition, 1 after a competition with a single bid. First 2023-11-09, latest 2026-05-06.
Stuttgarter Straßenbahnen AG gave Bahntek GmbH 1 award: 0 without a competition, 1 after a competition with a single bid. First 2024-03-05, latest 2024-03-05.
Stuttgarter Straßenbahnen AG gave CFT GmbH - Compact Filter Technic 1 award: 0 without a competition, 1 after a competition with a single bid. First 2026-02-20, latest 2026-02-20.
Stuttgarter Straßenbahnen AG gave Columbus McKinnon Engineered Products 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-05-02, latest 2025-05-02.
Stuttgarter Straßenbahnen AG gave Crayon Deutschland GmbH 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-06-30, latest 2025-06-30.
Stuttgarter Straßenbahnen AG gave Daimler Buses GmbH 3 awards: 0 without a competition, 1 after a competition with a single bid. First 2026-04-03, latest 2026-08-04.
Stuttgarter Straßenbahnen AG gave EOS Uptrade GmbH 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-02-02, latest 2026-02-02.
Stuttgarter Straßenbahnen AG gave GEZ (Gesellschaft für elektrische Zugausrüstung) Rail Solutions GmbH 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-05-26, latest 2026-05-26.
Stuttgarter Straßenbahnen AG gave Hofer Außenwerbung GmbH 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-07-21, latest 2025-07-21.
Stuttgarter Straßenbahnen AG gave LEONHARD WEISS GmbH & Co. KG 4 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-03-21, latest 2026-07-29.
Stuttgarter Straßenbahnen AG gave PSI Transcom GmbH 1 award: 0 without a competition, 1 after a competition with a single bid. First 2024-01-30, latest 2024-01-30.
Stuttgarter Straßenbahnen AG gave Stadler Signalling Deutschland GmbH 2 awards: 1 without a competition, 0 after a competition with a single bid. First 2024-12-23, latest 2025-12-03.
Stuttgarter Straßenbahnen AG gave Stadtwerke Duisburg AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2025-11-07, latest 2025-11-07.
Stuttgarter Straßenbahnen AG gave Track Tec GmbH 11 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-04-19, latest 2026-08-10.
Stuttgarter Straßenbahnen AG gave VIS Verkehrs Industrie Systeme GmbH 1 award: 1 without a competition, 0 after a competition with a single bid. First 2026-04-29, latest 2026-04-29.
Stuttgarter Straßenbahnen AG gave voestalpine Rail Technology GmbH 3 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-05-17, latest 2026-06-24.
Stuttgarter Straßenbahnen AG gave WSD Security GmbH 1 award: 0 without a competition, 1 after a competition with a single bid. First 2023-12-06, latest 2023-12-06.
Stuttgarter Straßenbahnen AG gave ZF Friedrichshafen AG 1 award: 0 without a competition, 1 after a competition with a single bid. First 2026-05-12, latest 2026-05-12.
| Date | Supplier | How | Stated reason |
|---|---|---|---|
| 2026-08-05 | Siemens Mobility GmbH, SMO RI D 5 540560-2026 | Single bid open | — |
| 2026-08-04 | Daimler Buses GmbH 539091-2026 | Single bid open | — |
| 2026-07-13 | Siemens Mobility GmbH 483512-2026 | No competition neg-wo-call | additional |
| 2026-07-06 | Siemens Mobility GmbH 463904-2026 | No competition neg-wo-call | additional |
| 2026-05-26 | GEZ (Gesellschaft für elektrische Zugausrüstung) Rail Solutions GmbH 357165-2026 | No competition neg-wo-call | additional |
| 2026-05-12 | ZF Friedrichshafen AG 325101-2026 | Single bid neg-w-call | — |
Every uncontested award in Germany · All countries
Source: Tenders Electronic Daily (TED), Publications Office of the European Union, contract award notices. Awards are matched to their buyer and supplier as published. Values in these notices often state a framework ceiling rather than a contract amount, so awards are counted, not summed. Updated 17 October 2026.