{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T15:58:38Z",
  "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-1FMFLRK14R",
    "type": "line",
    "country": "ch",
    "name": "Installation of doors and windows: Switzerland public contracts since 2024",
    "url": "https://assay-systems.com/register/ch/line/installation-of-doors-and-windows/",
    "text": [
      "Since January 2024 the line carries 65 award notices from 41 buyers. 51 suppliers share it.",
      "24 in 2024. 30 in 2025. 11 in the first 9 months of 2026.",
      "18 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": "Bach Heiden AG",
        "url": "https://assay-systems.com/register/ch/bach-heiden-ag/"
      },
      {
        "name": "Jos. Berchtold AG",
        "url": "https://assay-systems.com/register/ch/jos-berchtold-ag/"
      },
      {
        "name": "Astori SA",
        "url": "https://assay-systems.com/register/ch/astori-sa/"
      },
      {
        "name": "Frank Türen AG",
        "url": "https://assay-systems.com/register/ch/frank-turen-ag/"
      },
      {
        "name": "G. Baumgartner AG",
        "url": "https://assay-systems.com/register/ch/g-baumgartner-ag/"
      },
      {
        "name": "G. Risse SA",
        "url": "https://assay-systems.com/register/ch/g-risse-sa/"
      },
      {
        "name": "Jegen AG",
        "url": "https://assay-systems.com/register/ch/jegen-ag/"
      },
      {
        "name": "Koster AG Holzwelten",
        "url": "https://assay-systems.com/register/ch/koster-ag-holzwelten/"
      },
      {
        "name": "Matter Metallbau AG",
        "url": "https://assay-systems.com/register/ch/matter-metallbau-ag/"
      },
      {
        "name": "Pfister Metallbau AG",
        "url": "https://assay-systems.com/register/ch/pfister-metallbau-ag/"
      },
      {
        "name": "REY Metallbau AG",
        "url": "https://assay-systems.com/register/ch/rey-metallbau-ag/"
      },
      {
        "name": "RS Suter AG",
        "url": "https://assay-systems.com/register/ch/rs-suter-ag/"
      },
      {
        "name": "1a hunkeler fenster AG",
        "url": "https://assay-systems.com/register/ch/1a-hunkeler-fenster-ag/"
      },
      {
        "name": "4B AG",
        "url": "https://assay-systems.com/register/ch/4b-ag/"
      },
      {
        "name": "ALFER CONSTRUCTIONS SA",
        "url": "https://assay-systems.com/register/ch/alfer-constructions-sa/"
      },
      {
        "name": "ARGE RSW c/o RS Suter AG",
        "url": "https://assay-systems.com/register/ch/arge-rsw-c-o-rs-suter-ag/"
      },
      {
        "name": "Ateliers Casaï SA",
        "url": "https://assay-systems.com/register/ch/ateliers-casai-sa/"
      },
      {
        "name": "Atelier Volet Charpentier/Bâtisseur SA",
        "url": "https://assay-systems.com/register/ch/atelier-volet-charpentier-batisseur-sa/"
      },
      {
        "name": "Balzan et Immer S.A.",
        "url": "https://assay-systems.com/register/ch/balzan-et-immer-s-a/"
      },
      {
        "name": "Balz Metal SA",
        "url": "https://assay-systems.com/register/ch/balz-metal-sa/"
      },
      {
        "name": "BATIMETAL SA",
        "url": "https://assay-systems.com/register/ch/batimetal-sa/"
      },
      {
        "name": "Berisha SA Constructions métalliques",
        "url": "https://assay-systems.com/register/ch/berisha-sa-constructions-metalliques/"
      },
      {
        "name": "Blumer Fensterwerke AG",
        "url": "https://assay-systems.com/register/ch/blumer-fensterwerke-ag/"
      },
      {
        "name": "Brahoni SA",
        "url": "https://assay-systems.com/register/ch/brahoni-sa/"
      },
      {
        "name": "C.M.A. Constructeurs Métalliques Associés S.A.",
        "url": "https://assay-systems.com/register/ch/c-m-a-constructeurs-metalliques-associes-s-a/"
      },
      {
        "name": "CR Métallique SA",
        "url": "https://assay-systems.com/register/ch/cr-metallique-sa/"
      },
      {
        "name": "Delta Türsysteme AG",
        "url": "https://assay-systems.com/register/ch/delta-tursysteme-ag/"
      },
      {
        "name": "EgoKiefer AG",
        "url": "https://assay-systems.com/register/ch/egokiefer-ag/"
      },
      {
        "name": "Elkuch Eisenring AG",
        "url": "https://assay-systems.com/register/ch/elkuch-eisenring-ag/"
      },
      {
        "name": "Equans Solutions Suisse SA",
        "url": "https://assay-systems.com/register/ch/equans-solutions-suisse-sa/"
      },
      {
        "name": "Gaille Construction SA",
        "url": "https://assay-systems.com/register/ch/gaille-construction-sa/"
      },
      {
        "name": "Geilinger AG",
        "url": "https://assay-systems.com/register/ch/geilinger-ag/"
      },
      {
        "name": "Gindraux Fenêtres S.A.",
        "url": "https://assay-systems.com/register/ch/gindraux-fenetres-s-a/"
      },
      {
        "name": "Hasler Fenster AG",
        "url": "https://assay-systems.com/register/ch/hasler-fenster-ag/"
      },
      {
        "name": "Haupt AG Ruswil",
        "url": "https://assay-systems.com/register/ch/haupt-ag-ruswil/"
      },
      {
        "name": "Heim AG",
        "url": "https://assay-systems.com/register/ch/heim-ag/"
      },
      {
        "name": "Hevron S.A.",
        "url": "https://assay-systems.com/register/ch/hevron-s-a/"
      },
      {
        "name": "Huber Fenster AG",
        "url": "https://assay-systems.com/register/ch/huber-fenster-ag/"
      },
      {
        "name": "Hunkeler + Hediger Metallbau AG",
        "url": "https://assay-systems.com/register/ch/hunkeler-hediger-metallbau-ag/"
      },
      {
        "name": "Margelisch & Chabbey Constructions métalliques SA",
        "url": "https://assay-systems.com/register/ch/margelisch-chabbey-constructions-metalliques-sa/"
      },
      {
        "name": "Officine Ghidoni SA",
        "url": "https://assay-systems.com/register/ch/officine-ghidoni-sa/"
      },
      {
        "name": "Röthlisberger AG, Die Schreinermanufaktur",
        "url": "https://assay-systems.com/register/ch/rothlisberger-ag-die-schreinermanufaktur/"
      },
      {
        "name": "RWD Schlatter AG",
        "url": "https://assay-systems.com/register/ch/rwd-schlatter-ag/"
      },
      {
        "name": "Schneebeli & Co. AG",
        "url": "https://assay-systems.com/register/ch/schneebeli-co-ag/"
      },
      {
        "name": "Schreinerei dubs ag Fensterbau & Innenausbau",
        "url": "https://assay-systems.com/register/ch/schreinerei-dubs-ag-fensterbau-innenausbau/"
      },
      {
        "name": "Schreinerei Zenklusen AG",
        "url": "https://assay-systems.com/register/ch/schreinerei-zenklusen-ag/"
      },
      {
        "name": "Star City S.A.",
        "url": "https://assay-systems.com/register/ch/star-city-s-a/"
      },
      {
        "name": "Vogel Fensterbauer AG",
        "url": "https://assay-systems.com/register/ch/vogel-fensterbauer-ag/"
      },
      {
        "name": "Wider SA Montreux",
        "url": "https://assay-systems.com/register/ch/wider-sa-montreux/"
      },
      {
        "name": "Wirz Holzbau AG",
        "url": "https://assay-systems.com/register/ch/wirz-holzbau-ag/"
      },
      {
        "name": "ZILTENER AG",
        "url": "https://assay-systems.com/register/ch/ziltener-ag/"
      }
    ],
    "assay_record": "ASY-CH-1FMFLRK14R",
    "cite_as": "Assay Systems, \"Installation of doors and windows: Switzerland public contracts since 2024\", https://assay-systems.com/register/ch/line/installation-of-doors-and-windows/"
  }
}