{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T16:19:31Z",
  "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-1IR102M138",
    "type": "line",
    "country": "at",
    "name": "Roof-covering and roof-painting work: Austria public contracts since 2024",
    "url": "https://assay-systems.com/register/at/line/roof-covering-and-roof-painting-work/",
    "text": [
      "Since January 2024 the line carries 86 award notices from 40 buyers. 79 suppliers share it.",
      "24 in 2024. 31 in 2025. 31 in the first 9 months of 2026.",
      "37 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": "Karl Mach Gesellschaft m.b.H.",
        "url": "https://assay-systems.com/register/at/karl-mach-gesellschaft-m-b-h/"
      },
      {
        "name": "Wanzmann Gesellschaft m.b.H. u. Co. KG.",
        "url": "https://assay-systems.com/register/at/wanzmann-gesellschaft-m-b-h-u-co-kg/"
      },
      {
        "name": "DWH-Dach & Wand Huemer + Co GmbH",
        "url": "https://assay-systems.com/register/at/dwh-dach-wand-huemer-co-gmbh/"
      },
      {
        "name": "Fritz Lechner Gesellschaft m.b.H.",
        "url": "https://assay-systems.com/register/at/fritz-lechner-gesellschaft-m-b-h/"
      },
      {
        "name": "IAT GmbH",
        "url": "https://assay-systems.com/register/at/iat-gmbh/"
      },
      {
        "name": "Dachbau GmbH Fassade",
        "url": "https://assay-systems.com/register/at/dachbau-gmbh-fassade/"
      },
      {
        "name": "Fleischmann & Petschnig",
        "url": "https://assay-systems.com/register/at/fleischmann-petschnig/"
      },
      {
        "name": "Rudolf Jeschko GmbH",
        "url": "https://assay-systems.com/register/at/rudolf-jeschko-gmbh/"
      },
      {
        "name": "STRICTA - Abdichtungstechnik GmbH",
        "url": "https://assay-systems.com/register/at/stricta-abdichtungstechnik-gmbh/"
      },
      {
        "name": "ALL Dachprofile GmbH",
        "url": "https://assay-systems.com/register/at/all-dachprofile-gmbh/"
      },
      {
        "name": "Gerhard Hohl Dachdeckerei & Spenglerei Gesellschaft m.b.H.",
        "url": "https://assay-systems.com/register/at/gerhard-hohl-dachdeckerei-spenglerei-gesellschaft-m-b-h/"
      },
      {
        "name": "Gottfried Jecho Gesellschaft m.b.H.",
        "url": "https://assay-systems.com/register/at/gottfried-jecho-gesellschaft-m-b-h/"
      },
      {
        "name": "Grafbau GmbH",
        "url": "https://assay-systems.com/register/at/grafbau-gmbh/"
      },
      {
        "name": "Graf-Holztechnik GmbH",
        "url": "https://assay-systems.com/register/at/graf-holztechnik-gmbh/"
      },
      {
        "name": "Johann Hums Ges.m.b.H.",
        "url": "https://assay-systems.com/register/at/johann-hums-ges-m-b-h/"
      },
      {
        "name": "Spenglerei Tax GmbH",
        "url": "https://assay-systems.com/register/at/spenglerei-tax-gmbh/"
      },
      {
        "name": "Strobl Bau - Holzbau GmbH",
        "url": "https://assay-systems.com/register/at/strobl-bau-holzbau-gmbh/"
      },
      {
        "name": "Adolf Hofer Spenglerei GesmbH",
        "url": "https://assay-systems.com/register/at/adolf-hofer-spenglerei-gesmbh/"
      },
      {
        "name": "A-R-G-E Notdienst HKLS Gmbh",
        "url": "https://assay-systems.com/register/at/a-r-g-e-notdienst-hkls-gmbh/"
      },
      {
        "name": "Bau & Dach GmbH",
        "url": "https://assay-systems.com/register/at/bau-dach-gmbh/"
      },
      {
        "name": "Bauschutz GmbH & COKG",
        "url": "https://assay-systems.com/register/at/bauschutz-gmbh-cokg/"
      },
      {
        "name": "Bietergemeinschaft bestehend aus Schinnerl Metallbau GmbH, Kalkulation Pasteiner GmbH, Gschäftsleitung-Vertrieb",
        "url": "https://assay-systems.com/register/at/bietergemeinschaft-bestehend-aus-schinnerl-metallbau-gmbh-kalkulation-pasteiner-gmbh-gschaftsleitung-vertrieb/"
      },
      {
        "name": "BM Fliesen-Team GmbH",
        "url": "https://assay-systems.com/register/at/bm-fliesen-team-gmbh/"
      },
      {
        "name": "Bosnjak Dach GmbH",
        "url": "https://assay-systems.com/register/at/bosnjak-dach-gmbh/"
      },
      {
        "name": "Christoph Leiner Bauunternehmen GmbH",
        "url": "https://assay-systems.com/register/at/christoph-leiner-bauunternehmen-gmbh/"
      },
      {
        "name": "Comod Construct S.R.L.",
        "url": "https://assay-systems.com/register/at/comod-construct-s-r-l/"
      },
      {
        "name": "DSH-Jecho GmbH",
        "url": "https://assay-systems.com/register/at/dsh-jecho-gmbh/"
      },
      {
        "name": "Eiblmayr-Wolfsegger Hoch- u. Tiefbau GmbH",
        "url": "https://assay-systems.com/register/at/eiblmayr-wolfsegger-hoch-u-tiefbau-gmbh/"
      },
      {
        "name": "Fa. Alfred Waschkau",
        "url": "https://assay-systems.com/register/at/fa-alfred-waschkau/"
      },
      {
        "name": "FDD Ges.m.b.H & Co KG",
        "url": "https://assay-systems.com/register/at/fdd-ges-m-b-h-co-kg/"
      },
      {
        "name": "Fritz Lechner Ges.m.b.H.",
        "url": "https://assay-systems.com/register/at/fritz-lechner-ges-m-b-h/"
      },
      {
        "name": "Gerhard Hohl Dachdeckerei & Spenglerei Ges.m.b.H.",
        "url": "https://assay-systems.com/register/at/gerhard-hohl-dachdeckerei-spenglerei-ges-m-b-h/"
      },
      {
        "name": "Glaserei Kauz GmbH",
        "url": "https://assay-systems.com/register/at/glaserei-kauz-gmbh/"
      },
      {
        "name": "Glas Petzka e.U.",
        "url": "https://assay-systems.com/register/at/glas-petzka-e-u/"
      },
      {
        "name": "Greenlemon GmbH",
        "url": "https://assay-systems.com/register/at/greenlemon-gmbh/"
      },
      {
        "name": "Grumeth Installationen GmbH",
        "url": "https://assay-systems.com/register/at/grumeth-installationen-gmbh/"
      },
      {
        "name": "Haider & Co Hoch- und Tiefbau GmbH",
        "url": "https://assay-systems.com/register/at/haider-co-hoch-und-tiefbau-gmbh/"
      },
      {
        "name": "Haider & Co Hoch- u. Tiefbau GmbH",
        "url": "https://assay-systems.com/register/at/haider-co-hoch-u-tiefbau-gmbh/"
      },
      {
        "name": "Handler Bau GmbH",
        "url": "https://assay-systems.com/register/at/handler-bau-gmbh/"
      },
      {
        "name": "Harald Rusch Abdichter, Spengler + Dachdecker GmbH",
        "url": "https://assay-systems.com/register/at/harald-rusch-abdichter-spengler-dachdecker-gmbh/"
      },
      {
        "name": "HAZET Bauunternehmung GmbH",
        "url": "https://assay-systems.com/register/at/hazet-bauunternehmung-gmbh/"
      },
      {
        "name": "Hirschbeck & Plank Isolierungen GmbH",
        "url": "https://assay-systems.com/register/at/hirschbeck-plank-isolierungen-gmbh/"
      },
      {
        "name": "H. Triburuzek Installationen GesmbH + Co. KG",
        "url": "https://assay-systems.com/register/at/h-triburuzek-installationen-gesmbh-co-kg/"
      },
      {
        "name": "HTSW GmbH",
        "url": "https://assay-systems.com/register/at/htsw-gmbh/"
      },
      {
        "name": "Josef Ertler KG",
        "url": "https://assay-systems.com/register/at/josef-ertler-kg/"
      },
      {
        "name": "Jos. ERTL GmbH",
        "url": "https://assay-systems.com/register/at/jos-ertl-gmbh/"
      },
      {
        "name": "Karl Mayr GmbH & Co",
        "url": "https://assay-systems.com/register/at/karl-mayr-gmbh-co/"
      },
      {
        "name": "KEOB Fliesen GmbH",
        "url": "https://assay-systems.com/register/at/keob-fliesen-gmbh/"
      },
      {
        "name": "Küng Bodenbau GmbH",
        "url": "https://assay-systems.com/register/at/kung-bodenbau-gmbh/"
      },
      {
        "name": "Malerbetrieb Hausner & Hausner GmbH",
        "url": "https://assay-systems.com/register/at/malerbetrieb-hausner-hausner-gmbh/"
      },
      {
        "name": "Maler Schmied GmbH",
        "url": "https://assay-systems.com/register/at/maler-schmied-gmbh/"
      },
      {
        "name": "Markl Dachdeckerei und Spenglerei GmbH",
        "url": "https://assay-systems.com/register/at/markl-dachdeckerei-und-spenglerei-gmbh/"
      },
      {
        "name": "m+e metallbau gmbh",
        "url": "https://assay-systems.com/register/at/m-e-metallbau-gmbh/"
      },
      {
        "name": "Müller & Miksch G.m.b.H.",
        "url": "https://assay-systems.com/register/at/muller-miksch-g-m-b-h/"
      },
      {
        "name": "Otto Stöckl Elektroinstallationen GmbH",
        "url": "https://assay-systems.com/register/at/otto-stockl-elektroinstallationen-gmbh/"
      },
      {
        "name": "Pabst GesmbH und Pabst Holzverarbeitungsgesellschaft m.b.H.",
        "url": "https://assay-systems.com/register/at/pabst-gesmbh-und-pabst-holzverarbeitungsgesellschaft-m-b-h/"
      },
      {
        "name": "Pasteiner GmbH",
        "url": "https://assay-systems.com/register/at/pasteiner-gmbh/"
      },
      {
        "name": "PORR Bau GmbH",
        "url": "https://assay-systems.com/register/at/porr-bau-gmbh/"
      },
      {
        "name": "Procura Beteiligungs Ges.m.b.H.",
        "url": "https://assay-systems.com/register/at/procura-beteiligungs-ges-m-b-h/"
      },
      {
        "name": "realclean gmbh",
        "url": "https://assay-systems.com/register/at/realclean-gmbh/"
      },
      {
        "name": "RLH Bauservice GmbH",
        "url": "https://assay-systems.com/register/at/rlh-bauservice-gmbh/"
      },
      {
        "name": "Rope Tech GmbH",
        "url": "https://assay-systems.com/register/at/rope-tech-gmbh/"
      },
      {
        "name": "Rusch Abdichter GmbH",
        "url": "https://assay-systems.com/register/at/rusch-abdichter-gmbh/"
      },
      {
        "name": "Saco Handelsgesellschaft m.b.H.",
        "url": "https://assay-systems.com/register/at/saco-handelsgesellschaft-m-b-h/"
      },
      {
        "name": "Schlosserei Schlüsseldienst Petko, Bratislav Petkovic",
        "url": "https://assay-systems.com/register/at/schlosserei-schlusseldienst-petko-bratislav-petkovic/"
      },
      {
        "name": "SEM Energie- und Gebäudemanagement GmbH",
        "url": "https://assay-systems.com/register/at/sem-energie-und-gebaudemanagement-gmbh/"
      },
      {
        "name": "SEYFRIED - JECHO KG",
        "url": "https://assay-systems.com/register/at/seyfried-jecho-kg/"
      },
      {
        "name": "Spitzer GesmbH.",
        "url": "https://assay-systems.com/register/at/spitzer-gesmbh/"
      },
      {
        "name": "Stadt Wien - Wiener Wohnen",
        "url": "https://assay-systems.com/register/at/stadt-wien-wiener-wohnen/"
      },
      {
        "name": "STRABAG AG",
        "url": "https://assay-systems.com/register/at/strabag-ag/"
      },
      {
        "name": "Unidach Systemtechnik GmbH",
        "url": "https://assay-systems.com/register/at/unidach-systemtechnik-gmbh/"
      },
      {
        "name": "Wanzmann GesmbH. u Co KG",
        "url": "https://assay-systems.com/register/at/wanzmann-gesmbh-u-co-kg/"
      }
    ],
    "assay_record": "ASY-AT-1IR102M138",
    "cite_as": "Assay Systems, \"Roof-covering and roof-painting work: Austria public contracts since 2024\", https://assay-systems.com/register/at/line/roof-covering-and-roof-painting-work/"
  }
}