{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T11:36:10Z",
  "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-DE-0S6N5SA16A",
    "type": "line",
    "country": "de",
    "name": "Central-heating radiators and boilers and parts: Germany public contracts since 2024",
    "url": "https://assay-systems.com/register/de/line/central-heating-radiators-and-boilers-and-parts/",
    "text": [
      "Since January 2024 the line carries 86 award notices from 66 buyers. 84 suppliers share it.",
      "24 in 2024. 35 in 2025. 27 in the first 9 months of 2026.",
      "32 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 Germany."
    ],
    "records": [
      {
        "name": "all lines",
        "url": "https://assay-systems.com/register/de/"
      },
      {
        "name": "Alfred Pieper GmbH",
        "url": "https://assay-systems.com/register/de/alfred-pieper-gmbh/"
      },
      {
        "name": "Viessmann",
        "url": "https://assay-systems.com/register/de/viessmann/"
      },
      {
        "name": "Braun GmbH",
        "url": "https://assay-systems.com/register/de/braun-gmbh/"
      },
      {
        "name": "Hahner + Krappmann GmbH",
        "url": "https://assay-systems.com/register/de/hahner-krappmann-gmbh/"
      },
      {
        "name": "LLC KOMENERGOSERVICE",
        "url": "https://assay-systems.com/register/de/llc-komenergoservice/"
      },
      {
        "name": "MSH GmbH, Mecklenb.Sanitär & Heizungsgroßhandel",
        "url": "https://assay-systems.com/register/de/msh-gmbh-mecklenb-sanitar-heizungsgrosshandel/"
      },
      {
        "name": "Paulsen & Eckhardt GmbH",
        "url": "https://assay-systems.com/register/de/paulsen-eckhardt-gmbh/"
      },
      {
        "name": "Aalberts hfc GmbH",
        "url": "https://assay-systems.com/register/de/aalberts-hfc-gmbh/"
      },
      {
        "name": "Abels GmbH",
        "url": "https://assay-systems.com/register/de/abels-gmbh/"
      },
      {
        "name": "AGO GmbH Energie + Anlagen",
        "url": "https://assay-systems.com/register/de/ago-gmbh-energie-anlagen/"
      },
      {
        "name": "AMT Mennekes Haustechnik GmbH",
        "url": "https://assay-systems.com/register/de/amt-mennekes-haustechnik-gmbh/"
      },
      {
        "name": "Apleona Wolfferts GmbH",
        "url": "https://assay-systems.com/register/de/apleona-wolfferts-gmbh/"
      },
      {
        "name": "Baier Installation GmbH",
        "url": "https://assay-systems.com/register/de/baier-installation-gmbh/"
      },
      {
        "name": "Bolte KG",
        "url": "https://assay-systems.com/register/de/bolte-kg/"
      },
      {
        "name": "Bolwin & Heemann Systemtechnik GmbH & Co. KG",
        "url": "https://assay-systems.com/register/de/bolwin-heemann-systemtechnik-gmbh-co-kg/"
      },
      {
        "name": "Caliqua AG",
        "url": "https://assay-systems.com/register/de/caliqua-ag/"
      },
      {
        "name": "Carl Lechner GmbH",
        "url": "https://assay-systems.com/register/de/carl-lechner-gmbh/"
      },
      {
        "name": "Diehl GmbH",
        "url": "https://assay-systems.com/register/de/diehl-gmbh/"
      },
      {
        "name": "Dornhoefer GmbH",
        "url": "https://assay-systems.com/register/de/dornhoefer-gmbh/"
      },
      {
        "name": "Dresdener Lüftungsmontagen GmbH & Co. KG",
        "url": "https://assay-systems.com/register/de/dresdener-luftungsmontagen-gmbh-co-kg/"
      },
      {
        "name": "DSD Power Technologies GmbH",
        "url": "https://assay-systems.com/register/de/dsd-power-technologies-gmbh/"
      },
      {
        "name": "Dunnewolt BV",
        "url": "https://assay-systems.com/register/de/dunnewolt-bv/"
      },
      {
        "name": "Ecolab Deutschland GmbH/Ersatzanmeldung für Heike Fischer",
        "url": "https://assay-systems.com/register/de/ecolab-deutschland-gmbh-ersatzanmeldung-fur-heike-fischer/"
      },
      {
        "name": "Elektroanlagen J. Sperling",
        "url": "https://assay-systems.com/register/de/elektroanlagen-j-sperling/"
      },
      {
        "name": "ENGIE Deutschland GmbH",
        "url": "https://assay-systems.com/register/de/engie-deutschland-gmbh/"
      },
      {
        "name": "En.plus GmbH",
        "url": "https://assay-systems.com/register/de/en-plus-gmbh/"
      },
      {
        "name": "Feikes Heizungs- und Installations GmbH",
        "url": "https://assay-systems.com/register/de/feikes-heizungs-und-installations-gmbh/"
      },
      {
        "name": "Firma, die den Auftrag erhalten hat: Kupp GmbH, Am Damm 21,40668 Meerbusch",
        "url": "https://assay-systems.com/register/de/firma-die-den-auftrag-erhalten-hat-kupp-gmbh-am-damm-21-40668-meerbusch/"
      },
      {
        "name": "Fischer GmbH",
        "url": "https://assay-systems.com/register/de/fischer-gmbh/"
      },
      {
        "name": "Friedel Schueltke Bad&Heizung GmbH",
        "url": "https://assay-systems.com/register/de/friedel-schueltke-bad-heizung-gmbh/"
      },
      {
        "name": "Fritz Biefang GmbH",
        "url": "https://assay-systems.com/register/de/fritz-biefang-gmbh/"
      },
      {
        "name": "Göttler Heiztechnik GmbH",
        "url": "https://assay-systems.com/register/de/gottler-heiztechnik-gmbh/"
      },
      {
        "name": "Grahm & Söhne GmbH",
        "url": "https://assay-systems.com/register/de/grahm-sohne-gmbh/"
      },
      {
        "name": "Hans GmbH - Installationen und Heizungsbau",
        "url": "https://assay-systems.com/register/de/hans-gmbh-installationen-und-heizungsbau/"
      },
      {
        "name": "Harrer GmbH & Co.",
        "url": "https://assay-systems.com/register/de/harrer-gmbh-co/"
      },
      {
        "name": "HAUSMANN Versorgungstechnik GmbH & Co. KG",
        "url": "https://assay-systems.com/register/de/hausmann-versorgungstechnik-gmbh-co-kg/"
      },
      {
        "name": "Haus Technik GmbH Installation",
        "url": "https://assay-systems.com/register/de/haus-technik-gmbh-installation/"
      },
      {
        "name": "Haustechnik Wiesenbach GmbH",
        "url": "https://assay-systems.com/register/de/haustechnik-wiesenbach-gmbh/"
      },
      {
        "name": "HaWi Gebäudetechnik GmbH",
        "url": "https://assay-systems.com/register/de/hawi-gebaudetechnik-gmbh/"
      },
      {
        "name": "Hebbecker Gebäudetechnik GmbH",
        "url": "https://assay-systems.com/register/de/hebbecker-gebaudetechnik-gmbh/"
      },
      {
        "name": "HEEET Project GmbH",
        "url": "https://assay-systems.com/register/de/heeet-project-gmbh/"
      },
      {
        "name": "HEI-SA-BAU GmbH",
        "url": "https://assay-systems.com/register/de/hei-sa-bau-gmbh/"
      },
      {
        "name": "Heizungsbau Gerle GmbH",
        "url": "https://assay-systems.com/register/de/heizungsbau-gerle-gmbh/"
      },
      {
        "name": "Henke AG",
        "url": "https://assay-systems.com/register/de/henke-ag/"
      },
      {
        "name": "Herbert Kannegiesser GmbH",
        "url": "https://assay-systems.com/register/de/herbert-kannegiesser-gmbh/"
      },
      {
        "name": "Hieber Installationen und Handel AG",
        "url": "https://assay-systems.com/register/de/hieber-installationen-und-handel-ag/"
      },
      {
        "name": "Höber GmbH",
        "url": "https://assay-systems.com/register/de/hober-gmbh/"
      },
      {
        "name": "HVH Hauser & Veckes Haustechnik GmbH",
        "url": "https://assay-systems.com/register/de/hvh-hauser-veckes-haustechnik-gmbh/"
      },
      {
        "name": "ITW-Isoliertechnik Würzburg GmbH & Co. KG",
        "url": "https://assay-systems.com/register/de/itw-isoliertechnik-wurzburg-gmbh-co-kg/"
      },
      {
        "name": "Junkes Klimatechnik GmbH",
        "url": "https://assay-systems.com/register/de/junkes-klimatechnik-gmbh/"
      },
      {
        "name": "Kanadevia Inova Steinmüller GmbH",
        "url": "https://assay-systems.com/register/de/kanadevia-inova-steinmuller-gmbh/"
      },
      {
        "name": "Kriener & Trübner GmbH",
        "url": "https://assay-systems.com/register/de/kriener-trubner-gmbh/"
      },
      {
        "name": "Lang GmbH",
        "url": "https://assay-systems.com/register/de/lang-gmbh/"
      },
      {
        "name": "Leniger GmbH",
        "url": "https://assay-systems.com/register/de/leniger-gmbh/"
      },
      {
        "name": "Michael Unsin GmbH",
        "url": "https://assay-systems.com/register/de/michael-unsin-gmbh/"
      },
      {
        "name": "Multimatic iLSA Deutschland GmbH & Co.KG",
        "url": "https://assay-systems.com/register/de/multimatic-ilsa-deutschland-gmbh-co-kg/"
      },
      {
        "name": "Niehaves Versorgungstechnik GmbH",
        "url": "https://assay-systems.com/register/de/niehaves-versorgungstechnik-gmbh/"
      },
      {
        "name": "Onkelbach GMBH",
        "url": "https://assay-systems.com/register/de/onkelbach-gmbh/"
      },
      {
        "name": "Otto Schatte GmbH",
        "url": "https://assay-systems.com/register/de/otto-schatte-gmbh/"
      },
      {
        "name": "Oventrop Energy & Network GmbH",
        "url": "https://assay-systems.com/register/de/oventrop-energy-network-gmbh/"
      },
      {
        "name": "Pauli Heizung + Sanitär",
        "url": "https://assay-systems.com/register/de/pauli-heizung-sanitar/"
      },
      {
        "name": "PEWO Energietechnik GmbH",
        "url": "https://assay-systems.com/register/de/pewo-energietechnik-gmbh/"
      },
      {
        "name": "Pritzl Haustechnik und Anlagenbau GmbH",
        "url": "https://assay-systems.com/register/de/pritzl-haustechnik-und-anlagenbau-gmbh/"
      },
      {
        "name": "Robin Sohn GmbH",
        "url": "https://assay-systems.com/register/de/robin-sohn-gmbh/"
      },
      {
        "name": "Schlering GmbH",
        "url": "https://assay-systems.com/register/de/schlering-gmbh/"
      },
      {
        "name": "schneider-vogt gmbH",
        "url": "https://assay-systems.com/register/de/schneider-vogt-gmbh/"
      },
      {
        "name": "Scholz GmbH",
        "url": "https://assay-systems.com/register/de/scholz-gmbh/"
      },
      {
        "name": "Sonepar Deutschland Region Nord-Ost GmbH",
        "url": "https://assay-systems.com/register/de/sonepar-deutschland-region-nord-ost-gmbh/"
      },
      {
        "name": "Stadtwerke Unna GmbH",
        "url": "https://assay-systems.com/register/de/stadtwerke-unna-gmbh/"
      },
      {
        "name": "Stroot Installationen GmbH&Co.KG",
        "url": "https://assay-systems.com/register/de/stroot-installationen-gmbh-co-kg/"
      },
      {
        "name": "Suchfort-Anlagenbau GmbH & Co.",
        "url": "https://assay-systems.com/register/de/suchfort-anlagenbau-gmbh-co/"
      },
      {
        "name": "Taverpack GmbH",
        "url": "https://assay-systems.com/register/de/taverpack-gmbh/"
      },
      {
        "name": "T & F Lüftungstechnik GmbH & Co. KG",
        "url": "https://assay-systems.com/register/de/t-f-luftungstechnik-gmbh-co-kg/"
      },
      {
        "name": "Ulland GmbH",
        "url": "https://assay-systems.com/register/de/ulland-gmbh/"
      },
      {
        "name": "vtb Thoms KG",
        "url": "https://assay-systems.com/register/de/vtb-thoms-kg/"
      },
      {
        "name": "Wärme + Wasser GmbH",
        "url": "https://assay-systems.com/register/de/warme-wasser-gmbh/"
      },
      {
        "name": "Weigerstorfer GmbH",
        "url": "https://assay-systems.com/register/de/weigerstorfer-gmbh/"
      },
      {
        "name": "Werner & Sukau GmbH",
        "url": "https://assay-systems.com/register/de/werner-sukau-gmbh/"
      }
    ],
    "assay_record": "ASY-DE-0S6N5SA16A",
    "cite_as": "Assay Systems, \"Central-heating radiators and boilers and parts: Germany public contracts since 2024\", https://assay-systems.com/register/de/line/central-heating-radiators-and-boilers-and-parts/"
  }
}