{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T07:26:31Z",
  "source": "Assay Systems register, https://assay-systems.com/register/",
  "access_notice": "On 15 November 2026, automated access to assay-systems.com closes. After that date, access is available only under a paid annual subscription contract. Contact: contact@assay-systems.com",
  "data": {
    "id": "ASY-AT-03IFMSK0T6",
    "type": "line",
    "country": "at",
    "name": "Construction work for multi-dwelling buildings and individual houses: Austria public contracts since 2024",
    "url": "https://assay-systems.com/register/at/line/construction-work-for-multi-dwelling-buildings-and-individual-houses/",
    "text": [
      "Since January 2024 the line carries 87 award notices from 14 buyers. 79 suppliers share it.",
      "20 in 2024. 39 in 2025. 28 in the first 9 months of 2026.",
      "43 of them had no award notice in the register from November 2023 to 2024.",
      "Names every buyer behind the figures and, for each award notice, the supplier, the award date, the notice number and the value where one is disclosed, and the notices behind every figure.",
      "Share of the line held by each of its largest suppliers, by number of award notices, in the TED register for Austria."
    ],
    "records": [
      {
        "name": "all lines",
        "url": "https://assay-systems.com/register/at/"
      },
      {
        "name": "Grafbau GmbH",
        "url": "https://assay-systems.com/register/at/grafbau-gmbh/"
      },
      {
        "name": "Zingl Bau G.m.b.H.",
        "url": "https://assay-systems.com/register/at/zingl-bau-g-m-b-h/"
      },
      {
        "name": "ZECH Bau Austria GmbH",
        "url": "https://assay-systems.com/register/at/zech-bau-austria-gmbh/"
      },
      {
        "name": "Huter & Söhne GmbH",
        "url": "https://assay-systems.com/register/at/huter-sohne-gmbh/"
      },
      {
        "name": "IAT GmbH",
        "url": "https://assay-systems.com/register/at/iat-gmbh/"
      },
      {
        "name": "Baumeister Ingenieur Josef Hubert Gesellschaft m.b.H.",
        "url": "https://assay-systems.com/register/at/baumeister-ingenieur-josef-hubert-gesellschaft-m-b-h/"
      },
      {
        "name": "Baumeister Rohacek & Häusler GmbH&Co KG",
        "url": "https://assay-systems.com/register/at/baumeister-rohacek-hausler-gmbh-co-kg/"
      },
      {
        "name": "Bauunternehmung Granit Gesellschaft m.b.H.",
        "url": "https://assay-systems.com/register/at/bauunternehmung-granit-gesellschaft-m-b-h/"
      },
      {
        "name": "Elektrotechnik Kilic GmbH",
        "url": "https://assay-systems.com/register/at/elektrotechnik-kilic-gmbh/"
      },
      {
        "name": "Gallzeiner Luft-, Staub- und Abgastechnik GmbH",
        "url": "https://assay-systems.com/register/at/gallzeiner-luft-staub-und-abgastechnik-gmbh/"
      },
      {
        "name": "KPS-Ötztal-Putz GmbH",
        "url": "https://assay-systems.com/register/at/kps-otztal-putz-gmbh/"
      },
      {
        "name": "Schindler Aufzüge und Fahrtreppen GmbH",
        "url": "https://assay-systems.com/register/at/schindler-aufzuge-und-fahrtreppen-gmbh/"
      },
      {
        "name": "Stadt Wien - Wiener Wohnen",
        "url": "https://assay-systems.com/register/at/stadt-wien-wiener-wohnen/"
      },
      {
        "name": "ZECH Bau Austria GesmbH",
        "url": "https://assay-systems.com/register/at/zech-bau-austria-gesmbh/"
      },
      {
        "name": "Zinglbau GmbH",
        "url": "https://assay-systems.com/register/at/zinglbau-gmbh/"
      },
      {
        "name": "Actual Fenster Türen Sonnenschutz GmbH",
        "url": "https://assay-systems.com/register/at/actual-fenster-turen-sonnenschutz-gmbh/"
      },
      {
        "name": "Allround Installationen Heinz Kapfer GmbH",
        "url": "https://assay-systems.com/register/at/allround-installationen-heinz-kapfer-gmbh/"
      },
      {
        "name": "BA BAU GmbH",
        "url": "https://assay-systems.com/register/at/ba-bau-gmbh/"
      },
      {
        "name": "Baumeister Dipl.-Ing. Mörtinger & Co. GmbH",
        "url": "https://assay-systems.com/register/at/baumeister-dipl-ing-mortinger-co-gmbh/"
      },
      {
        "name": "BIGE IIG Schlachthofblock PORR FRÖSCHL",
        "url": "https://assay-systems.com/register/at/bige-iig-schlachthofblock-porr-froschl/"
      },
      {
        "name": "Böhm Stadtbaumeister & Gebäudetechnik GmbH",
        "url": "https://assay-systems.com/register/at/bohm-stadtbaumeister-gebaudetechnik-gmbh/"
      },
      {
        "name": "BWS Gemeinnützige allgemeine Bau-, Wohn- und Siedlungsgenossenschaft reg. Gen.m.b.H.",
        "url": "https://assay-systems.com/register/at/bws-gemeinnutzige-allgemeine-bau-wohn-und-siedlungsgenossenschaft-reg-gen-m-b-h/"
      },
      {
        "name": "DI Wolfgang Tötzel ZT GmbH",
        "url": "https://assay-systems.com/register/at/di-wolfgang-totzel-zt-gmbh/"
      },
      {
        "name": "Elektro Schiller GmbH",
        "url": "https://assay-systems.com/register/at/elektro-schiller-gmbh/"
      },
      {
        "name": "Elektrotechnik Rehak GmbH",
        "url": "https://assay-systems.com/register/at/elektrotechnik-rehak-gmbh/"
      },
      {
        "name": "Estrichtechnik WBT GmbH",
        "url": "https://assay-systems.com/register/at/estrichtechnik-wbt-gmbh/"
      },
      {
        "name": "Fiegl & Spielberger GmbH",
        "url": "https://assay-systems.com/register/at/fiegl-spielberger-gmbh/"
      },
      {
        "name": "FISCHER-PARKETT GmbH. & Co KG",
        "url": "https://assay-systems.com/register/at/fischer-parkett-gmbh-co-kg/"
      },
      {
        "name": "Fröhlich & Locher und Partner ZT GmbH",
        "url": "https://assay-systems.com/register/at/frohlich-locher-und-partner-zt-gmbh/"
      },
      {
        "name": "Garten Schmid GmbH",
        "url": "https://assay-systems.com/register/at/garten-schmid-gmbh/"
      },
      {
        "name": "Gelbe Heiztechnik e.U.",
        "url": "https://assay-systems.com/register/at/gelbe-heiztechnik-e-u/"
      },
      {
        "name": "GERSTL BAU GmbH & Co KG",
        "url": "https://assay-systems.com/register/at/gerstl-bau-gmbh-co-kg/"
      },
      {
        "name": "Handler Bau GmbH",
        "url": "https://assay-systems.com/register/at/handler-bau-gmbh/"
      },
      {
        "name": "Hans Wimmer & Sohn Gesellschaft m.b.H.",
        "url": "https://assay-systems.com/register/at/hans-wimmer-sohn-gesellschaft-m-b-h/"
      },
      {
        "name": "HB Fliesen GmbH",
        "url": "https://assay-systems.com/register/at/hb-fliesen-gmbh/"
      },
      {
        "name": "Hollinsky & Partner ZT GmbH",
        "url": "https://assay-systems.com/register/at/hollinsky-partner-zt-gmbh/"
      },
      {
        "name": "Ing. A. Sauritschnig Alu-Stahl-Glas GmbH",
        "url": "https://assay-systems.com/register/at/ing-a-sauritschnig-alu-stahl-glas-gmbh/"
      },
      {
        "name": "Innviertler Gemeinnützige Wohnungs- und Siedlungsgenossenschaft reg. Gen.m.b.H.",
        "url": "https://assay-systems.com/register/at/innviertler-gemeinnutzige-wohnungs-und-siedlungsgenossenschaft-reg-gen-m-b-h/"
      },
      {
        "name": "INTOR Baugesellschaft m.b.H.",
        "url": "https://assay-systems.com/register/at/intor-baugesellschaft-m-b-h/"
      },
      {
        "name": "Johann Oberrater Bauunternehmungs GmbH",
        "url": "https://assay-systems.com/register/at/johann-oberrater-bauunternehmungs-gmbh/"
      },
      {
        "name": "Kieninger Gesellschaft m.b.H.",
        "url": "https://assay-systems.com/register/at/kieninger-gesellschaft-m-b-h/"
      },
      {
        "name": "Krückl Bauges.mbH & CO KG",
        "url": "https://assay-systems.com/register/at/kruckl-bauges-mbh-co-kg/"
      },
      {
        "name": "Markus Stolz GmbH & Co KG",
        "url": "https://assay-systems.com/register/at/markus-stolz-gmbh-co-kg/"
      },
      {
        "name": "m+e metallbau gmbh",
        "url": "https://assay-systems.com/register/at/m-e-metallbau-gmbh/"
      },
      {
        "name": "Oberwarter gemeinnützige Bau-, Wohn- und Siedlungsgenossenschaft registrierte Genossenschaft mit beschränkter Haftung",
        "url": "https://assay-systems.com/register/at/oberwarter-gemeinnutzige-bau-wohn-und-siedlungsgenossenschaft-registrierte-genossenschaft-mit-beschrankter-haftung/"
      },
      {
        "name": "Östu-Stettin Hoch- und Tiefbau GmbH",
        "url": "https://assay-systems.com/register/at/ostu-stettin-hoch-und-tiefbau-gmbh/"
      },
      {
        "name": "Palm Baugesellschaft m.b.H.",
        "url": "https://assay-systems.com/register/at/palm-baugesellschaft-m-b-h/"
      },
      {
        "name": "Paul Berghöfer GmbH",
        "url": "https://assay-systems.com/register/at/paul-berghofer-gmbh/"
      },
      {
        "name": "PORR Bau GmbH, Hochbau . NL Tirol",
        "url": "https://assay-systems.com/register/at/porr-bau-gmbh-hochbau-nl-tirol/"
      },
      {
        "name": "PORR Bau GmbH, NL Burgenland",
        "url": "https://assay-systems.com/register/at/porr-bau-gmbh-nl-burgenland/"
      },
      {
        "name": "Prokamin Dach & Bau GmbH",
        "url": "https://assay-systems.com/register/at/prokamin-dach-bau-gmbh/"
      },
      {
        "name": "Real-Treuhand Facilitymanagement GmbH",
        "url": "https://assay-systems.com/register/at/real-treuhand-facilitymanagement-gmbh/"
      },
      {
        "name": "riml system boden gmbh",
        "url": "https://assay-systems.com/register/at/riml-system-boden-gmbh/"
      },
      {
        "name": "Rohrtec Gebäudetechnik GmbH",
        "url": "https://assay-systems.com/register/at/rohrtec-gebaudetechnik-gmbh/"
      },
      {
        "name": "SAFRIAN Bau GmbH",
        "url": "https://assay-systems.com/register/at/safrian-bau-gmbh/"
      },
      {
        "name": "Sanibau Handelsgesellschaft m.b.H.",
        "url": "https://assay-systems.com/register/at/sanibau-handelsgesellschaft-m-b-h/"
      },
      {
        "name": "Schindler GmbH",
        "url": "https://assay-systems.com/register/at/schindler-gmbh/"
      },
      {
        "name": "Stiburek Gesellschaft m. b. H. & Co. KG",
        "url": "https://assay-systems.com/register/at/stiburek-gesellschaft-m-b-h-co-kg/"
      },
      {
        "name": "STRABAG AG",
        "url": "https://assay-systems.com/register/at/strabag-ag/"
      },
      {
        "name": "Swietelsky AG",
        "url": "https://assay-systems.com/register/at/swietelsky-ag/"
      },
      {
        "name": "Tiefenthaler-Schichtle GmbH",
        "url": "https://assay-systems.com/register/at/tiefenthaler-schichtle-gmbh/"
      },
      {
        "name": "Toms Ziviltechniker GmbH",
        "url": "https://assay-systems.com/register/at/toms-ziviltechniker-gmbh/"
      },
      {
        "name": "Tüchler Ausbau GmbH",
        "url": "https://assay-systems.com/register/at/tuchler-ausbau-gmbh/"
      },
      {
        "name": "Werkraum Ingenieure ZT GmbH",
        "url": "https://assay-systems.com/register/at/werkraum-ingenieure-zt-gmbh/"
      },
      {
        "name": "WSG",
        "url": "https://assay-systems.com/register/at/wsg/"
      },
      {
        "name": "WSG Gemeinnützige Wohn- und Siedlergemeinschaft, registrierte Genossenschaft mit beschränkter Haftung",
        "url": "https://assay-systems.com/register/at/wsg-gemeinnutzige-wohn-und-siedlergemeinschaft-registrierte-genossenschaft-mit-beschrankter-haftung/"
      },
      {
        "name": "ZEINER KG",
        "url": "https://assay-systems.com/register/at/zeiner-kg/"
      },
      {
        "name": "Zimmerei Winkler GmbH",
        "url": "https://assay-systems.com/register/at/zimmerei-winkler-gmbh/"
      }
    ],
    "assay_record": "ASY-AT-03IFMSK0T6",
    "cite_as": "Assay Systems, \"Construction work for multi-dwelling buildings and individual houses: Austria public contracts since 2024\", https://assay-systems.com/register/at/line/construction-work-for-multi-dwelling-buildings-and-individual-houses/"
  }
}