{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T17:56:52Z",
  "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-CH-1PQBASX0FY",
    "type": "line",
    "country": "ch",
    "name": "Erection and related works of roof frames and coverings: Switzerland public contracts since 2024",
    "url": "https://assay-systems.com/register/ch/line/erection-and-related-works-of-roof-frames-and-coverings/",
    "text": [
      "Since January 2024 the line carries 99 award notices from 76 buyers. 65 suppliers share it.",
      "33 in 2024. 41 in 2025. 25 in the first 9 months of 2026.",
      "22 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 Switzerland."
    ],
    "records": [
      {
        "name": "all lines",
        "url": "https://assay-systems.com/register/ch/"
      },
      {
        "name": "PHIDA Étanchéité (VD) SA",
        "url": "https://assay-systems.com/register/ch/phida-etancheite-vd-sa/"
      },
      {
        "name": "DASTA CHARPENTES-BOIS SA",
        "url": "https://assay-systems.com/register/ch/dasta-charpentes-bois-sa/"
      },
      {
        "name": "Etico SA",
        "url": "https://assay-systems.com/register/ch/etico-sa/"
      },
      {
        "name": "Kämpfer + Co. AG",
        "url": "https://assay-systems.com/register/ch/kampfer-co-ag/"
      },
      {
        "name": "Abdichtungsbau Durrer AG",
        "url": "https://assay-systems.com/register/ch/abdichtungsbau-durrer-ag/"
      },
      {
        "name": "Cerutti Toitures SA",
        "url": "https://assay-systems.com/register/ch/cerutti-toitures-sa/"
      },
      {
        "name": "Entreprise Belloni SA",
        "url": "https://assay-systems.com/register/ch/entreprise-belloni-sa/"
      },
      {
        "name": "Kämpfer Zürich AG",
        "url": "https://assay-systems.com/register/ch/kampfer-zurich-ag/"
      },
      {
        "name": "R. Morand et Fils SA",
        "url": "https://assay-systems.com/register/ch/r-morand-et-fils-sa/"
      },
      {
        "name": "Schäfer Stammbach Partner AG",
        "url": "https://assay-systems.com/register/ch/schafer-stammbach-partner-ag/"
      },
      {
        "name": "TECTON AG Pfäffikon",
        "url": "https://assay-systems.com/register/ch/tecton-ag-pfaffikon/"
      },
      {
        "name": "Amaudruz S.A.",
        "url": "https://assay-systems.com/register/ch/amaudruz-s-a/"
      },
      {
        "name": "BBL SA",
        "url": "https://assay-systems.com/register/ch/bbl-sa/"
      },
      {
        "name": "Burkhardt Gebäudehülle AG",
        "url": "https://assay-systems.com/register/ch/burkhardt-gebaudehulle-ag/"
      },
      {
        "name": "cablex AG",
        "url": "https://assay-systems.com/register/ch/cablex-ag/"
      },
      {
        "name": "Frutiger AG",
        "url": "https://assay-systems.com/register/ch/frutiger-ag/"
      },
      {
        "name": "Growe-Siegenthaler AG",
        "url": "https://assay-systems.com/register/ch/growe-siegenthaler-ag/"
      },
      {
        "name": "Hevron S.A.",
        "url": "https://assay-systems.com/register/ch/hevron-s-a/"
      },
      {
        "name": "Tecton Abdichtungen AG",
        "url": "https://assay-systems.com/register/ch/tecton-abdichtungen-ag/"
      },
      {
        "name": "Abdichtungsbau Durrer AG, Zweigniederlassung Boppelsen",
        "url": "https://assay-systems.com/register/ch/abdichtungsbau-durrer-ag-zweigniederlassung-boppelsen/"
      },
      {
        "name": "Alex Gemperle AG",
        "url": "https://assay-systems.com/register/ch/alex-gemperle-ag/"
      },
      {
        "name": "Amédée Berrut SA",
        "url": "https://assay-systems.com/register/ch/amedee-berrut-sa/"
      },
      {
        "name": "Atelier Volet Charpentier/Bâtisseur SA",
        "url": "https://assay-systems.com/register/ch/atelier-volet-charpentier-batisseur-sa/"
      },
      {
        "name": "Bär Dachtechnik AG",
        "url": "https://assay-systems.com/register/ch/bar-dachtechnik-ag/"
      },
      {
        "name": "Berisha SA Constructions métalliques",
        "url": "https://assay-systems.com/register/ch/berisha-sa-constructions-metalliques/"
      },
      {
        "name": "Bernhard Polybau AG",
        "url": "https://assay-systems.com/register/ch/bernhard-polybau-ag/"
      },
      {
        "name": "Bollhalder Systemabdichtungen AG",
        "url": "https://assay-systems.com/register/ch/bollhalder-systemabdichtungen-ag/"
      },
      {
        "name": "Bucher Bauspenglerei AG",
        "url": "https://assay-systems.com/register/ch/bucher-bauspenglerei-ag/"
      },
      {
        "name": "Consortium JPF-Ducret-Lanthmann",
        "url": "https://assay-systems.com/register/ch/consortium-jpf-ducret-lanthmann/"
      },
      {
        "name": "Dénériaz Construction Bois SA",
        "url": "https://assay-systems.com/register/ch/deneriaz-construction-bois-sa/"
      },
      {
        "name": "Dorn AG",
        "url": "https://assay-systems.com/register/ch/dorn-ag/"
      },
      {
        "name": "Duckert SA",
        "url": "https://assay-systems.com/register/ch/duckert-sa/"
      },
      {
        "name": "Essima Etanchéité S.A.",
        "url": "https://assay-systems.com/register/ch/essima-etancheite-s-a/"
      },
      {
        "name": "Frutiger SA Vaud",
        "url": "https://assay-systems.com/register/ch/frutiger-sa-vaud/"
      },
      {
        "name": "Hans Müller AG",
        "url": "https://assay-systems.com/register/ch/hans-muller-ag/"
      },
      {
        "name": "Hélios Energies SA",
        "url": "https://assay-systems.com/register/ch/helios-energies-sa/"
      },
      {
        "name": "Herzog Bauspenglerei AG Luzern",
        "url": "https://assay-systems.com/register/ch/herzog-bauspenglerei-ag-luzern/"
      },
      {
        "name": "Hug + Kappeler AG",
        "url": "https://assay-systems.com/register/ch/hug-kappeler-ag/"
      },
      {
        "name": "IM Maggia Engineering SA",
        "url": "https://assay-systems.com/register/ch/im-maggia-engineering-sa/"
      },
      {
        "name": "Jak. Scheifele AG",
        "url": "https://assay-systems.com/register/ch/jak-scheifele-ag/"
      },
      {
        "name": "Josef Zholi GmbH",
        "url": "https://assay-systems.com/register/ch/josef-zholi-gmbh/"
      },
      {
        "name": "Karl Erb Spenglerei AG",
        "url": "https://assay-systems.com/register/ch/karl-erb-spenglerei-ag/"
      },
      {
        "name": "KRAPF AG Metall- und Fassadenbau",
        "url": "https://assay-systems.com/register/ch/krapf-ag-metall-und-fassadenbau/"
      },
      {
        "name": "Läderach Weibel AG Bauunternehmung",
        "url": "https://assay-systems.com/register/ch/laderach-weibel-ag-bauunternehmung/"
      },
      {
        "name": "Laurent Buchs Charpente et Construction Bois Sàrl",
        "url": "https://assay-systems.com/register/ch/laurent-buchs-charpente-et-construction-bois-sarl/"
      },
      {
        "name": "Lüthi Gebäudehüllen AG",
        "url": "https://assay-systems.com/register/ch/luthi-gebaudehullen-ag/"
      },
      {
        "name": "Macullo SA",
        "url": "https://assay-systems.com/register/ch/macullo-sa/"
      },
      {
        "name": "Manz Isolazioni SA",
        "url": "https://assay-systems.com/register/ch/manz-isolazioni-sa/"
      },
      {
        "name": "Marti AG Basel",
        "url": "https://assay-systems.com/register/ch/marti-ag-basel/"
      },
      {
        "name": "Marti Bauunternehmung AG Luzern",
        "url": "https://assay-systems.com/register/ch/marti-bauunternehmung-ag-luzern/"
      },
      {
        "name": "Mato Fernando Sàrl",
        "url": "https://assay-systems.com/register/ch/mato-fernando-sarl/"
      },
      {
        "name": "Morath AG",
        "url": "https://assay-systems.com/register/ch/morath-ag/"
      },
      {
        "name": "MWST-Gruppe, Bauimpuls AG",
        "url": "https://assay-systems.com/register/ch/mwst-gruppe-bauimpuls-ag/"
      },
      {
        "name": "Perrin Frères SA",
        "url": "https://assay-systems.com/register/ch/perrin-freres-sa/"
      },
      {
        "name": "PHIDA SIFFERT Étanchéité (FR) SA",
        "url": "https://assay-systems.com/register/ch/phida-siffert-etancheite-fr-sa/"
      },
      {
        "name": "Pilatus Flachdach AG",
        "url": "https://assay-systems.com/register/ch/pilatus-flachdach-ag/"
      },
      {
        "name": "PolyEtanche SA",
        "url": "https://assay-systems.com/register/ch/polyetanche-sa/"
      },
      {
        "name": "Ray SA",
        "url": "https://assay-systems.com/register/ch/ray-sa/"
      },
      {
        "name": "Rupli + Partner AG, Holzbau Technik",
        "url": "https://assay-systems.com/register/ch/rupli-partner-ag-holzbau-technik/"
      },
      {
        "name": "SikaBau AG",
        "url": "https://assay-systems.com/register/ch/sikabau-ag/"
      },
      {
        "name": "Stamm Bau AG",
        "url": "https://assay-systems.com/register/ch/stamm-bau-ag/"
      },
      {
        "name": "TECTON-FLADAG AG",
        "url": "https://assay-systems.com/register/ch/tecton-fladag-ag/"
      },
      {
        "name": "Tresolar AG",
        "url": "https://assay-systems.com/register/ch/tresolar-ag/"
      },
      {
        "name": "Weiss + Appetito AG",
        "url": "https://assay-systems.com/register/ch/weiss-appetito-ag/"
      },
      {
        "name": "Zuttion Construction SA",
        "url": "https://assay-systems.com/register/ch/zuttion-construction-sa/"
      }
    ],
    "assay_record": "ASY-CH-1PQBASX0FY",
    "cite_as": "Assay Systems, \"Erection and related works of roof frames and coverings: Switzerland public contracts since 2024\", https://assay-systems.com/register/ch/line/erection-and-related-works-of-roof-frames-and-coverings/"
  }
}