Austria · TED award notices · Supplier record

Stefan Ritzer VD GmbH

Line: Heat-exchange units (CPV 42511100)Register loaded to September 2026Compiled 12 October 2026

Stefan Ritzer VD GmbH — Austria · TED award notices · Supplier record: 1 award notices, all years (May 2026); 1 since January 2024 (1 buyer); 2nd rank in the line (of 11 suppliers · 10.0%); 6 buyers never served (9 notices in the line from them).

Assay record ASY-AT-1NHYZQN1AL · Cite as: Assay Systems, “Stefan Ritzer VD GmbH in the TED register for Austria”, https://assay-systems.com/register/at/stefan-ritzer-vd-gmbh/

1
award notices, all years
May 2026
1
since January 2024
1 buyer
2nd
rank in the line
of 11 suppliers · 10.0%
6
buyers never served
9 notices in the line from them

Own record by year

award notices, 2023 onward
1
2023202420252026

Who buys from Stefan Ritzer VD GmbH

since January 2024
1buyers
1notices
100%top buyer
Gemeinnützige Salzburger Landeskliniken Betriebsgesellschaft mbH100.0%
1 notice

The line

since January 2024
10award notices
7buyers
11suppliers
91.7%held by top ten

Heat-exchange units (CPV 42511100)

1
4
5
202420252026Jan–Sep
2ndof 11 suppliers
1notices name Stefan Ritzer VD GmbH
10.0%share of the line
100.0%of 1 notice from Gemeinnützige Salzburger Landeskliniken Betriebsgesellschaft mbH
7new suppliers since 2025

Buyers that buy the line and never named Stefan Ritzer VD GmbH

since November 2023
6buyers
9notices since 2024
5buyers took a new supplier
10suppliers came in that way
LINZ STROM GAS WÄRME GmbH
2 notices
Netz Burgenland GmbH, im Vergabeverfahren vertreten durch die BE Service GmbH
2 notices
WIEN ENERGIE GmbH
2 notices
EVN Wärme GmbH
1 notice
Salzburger Abfallbeseitigung GmbH
1 notice
Stadtwärme Kapfenberg GmbH
1 notice

Suppliers next to it in the line

since January 2024
ATG Anlagentechnik GmbH1 buyer
1 notice
GW St.Pölten Integrative Betriebe GmbH1 buyer
1 notice
Johnson Controls Austria GmbH & Co OHG1 buyer
1 notice
Stefan Ritzer VD GmbH
1 notice

All 11 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 Austria 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.