Switzerland · TED award notices · Supplier record

Birrer + Seiler AG

Line: Pipeline, piping, pipes, casing, tubing and related items (CPV 44160000)Register loaded to September 2026Compiled 12 October 2026

Birrer + Seiler AG — Switzerland · TED award notices · Supplier record: 3 award notices, all years (August 2026); 3 since January 2024 (1 buyer); 3rd rank in the line (of 42 suppliers · 4.8%); 35 buyers never served (56 notices in the line from them).

Assay record ASY-CH-1CAZDWP1OJ · Cite as: Assay Systems, “Birrer + Seiler AG in the TED register for Switzerland”, https://assay-systems.com/register/ch/birrer-seiler-ag/

3
award notices, all years
August 2026
3
since January 2024
1 buyer
3rd
rank in the line
of 42 suppliers · 4.8%
35
buyers never served
56 notices in the line from them

Own record by year

award notices, 2023 onward
3
2023202420252026

Who buys from Birrer + Seiler AG

since January 2024
1buyers
3notices
100%top buyer
IWB Industrielle Werke Basel100.0%
3 notices

The line

since January 2024
62award notices
36buyers
42suppliers
45.2%held by top ten

Pipeline, piping, pipes, casing, tubing and related items (CPV 44160000)

14
22
26
202420252026Jan–Sep
3rdof 42 suppliers
3notices name Birrer + Seiler AG
4.8%share of the line
50.0%of 6 notices from IWB Industrielle Werke Basel
20new suppliers since 2025

Buyers that buy the line and never named Birrer + Seiler AG

since November 2023
35buyers
56notices since 2024
25buyers took a new supplier
32suppliers came in that way
BLS AG - Finance & SCM - Strategische Beschaffung
5 notices
+Calore SA
5 notices
BKW Energie AG
3 notices
Centrale municipale d'achat et d'impression de la Ville de Genève
3 notices
Elektrizitätswerke des Kantons Zürich
3 notices
Stadt Wil, Technische Betriebe, TBW
3 notices
Ville de Lausanne – SE - Service de l’eau (EAU) - Ouvrages
3 notices
APEC / Association Intercommunale pour l'épuration des eaux usées de la Côte
2 notices
GEVAG
2 notices
Ville de Pully (bureau d'ingénieurs HOLINGER SA)
2 notices
AIS - Ass. Interc. bassin Sionge (bureau HOLINGER SA)
1 notice
ara region bern ag
1 notice
Basler Verkehrs-Betriebe, BVB
1 notice
Betriebe Ostermundigen
1 notice
DIB - Elektrizitätswerk der Stadt Zürich (ewz)
1 notice
Energie Wasser Bern
1 notice
Fachstelle Beschaffungswesen
1 notice
Flughafen Zürich AG - Energie 2040
1 notice
GEKAL - KVA Buchs
1 notice
Gemeinde Reinach, Technische Verwaltung
1 notice
Genossenschaft EW Romanshorn
1 notice
Hochbauamt Kanton Schwyz
1 notice
KVA Linth
1 notice
Politische Gemeinde Lichtensteig
1 notice
Service des bâtiments de l'Etat de Neuchâtel - DOSP
1 notice
Services Industriels de Genève - Droit et Achats
1 notice
Services industriels de Genève (SIG) - Direction Achats
1 notice
SH POWER
1 notice
Technische Betriebe Wil
1 notice
TED - Entsorgung + Recycling Zürich (ERZ) Bändlistrasse 108, 8010 Zürich
1 notice
Ville de Lausanne – FIM - Service achat et logistique Ville (SALV)
1 notice
Ville de Neuchâtel par Viteos SA Service des eaux
1 notice
Wasserversorgungsgenossenschaft Embrach
1 notice
Zweckverband ARA Falkenstein
1 notice
Zweckverband ARA Zimmerberg
1 notice

Suppliers next to it in the line

since January 2024
Birrer + Seiler AG
3 notices
anplaq ag1 buyer
2 notices
Bolliger & Co. AG1 buyer
2 notices
Despraz SA2 buyers
2 notices

All 42 suppliers in the line

The extract

Every buyer, every supplier, award date, notice number and value where one is disclosed, behind the figures above.

Request extract

Source: contract award notices for Switzerland in Tenders Electronic Daily (TED), Publications Office of the European Union, ted.europa.eu, reusable for commercial purposes under Commission Decision 2011/833/EU; notices from November 2023, when TED began to publish the winning supplier, to 30 September 2026, accessed 11 October 2026.Assay Systems has changed the data.