{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T05:42:12Z",
  "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-0KZBSOD0UP",
    "type": "line",
    "country": "ch",
    "name": "Construction work for bridges and tunnels, shafts and subways: Switzerland public contracts since 2024",
    "url": "https://assay-systems.com/register/ch/line/construction-work-for-bridges-and-tunnels-shafts-and-subways/",
    "text": [
      "Since January 2024 the line carries 104 award notices from 50 buyers. 74 suppliers share it.",
      "28 in 2024. 40 in 2025. 36 in the first 9 months of 2026.",
      "26 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": "Erni AG Bauunternehmung",
        "url": "https://assay-systems.com/register/ch/erni-ag-bauunternehmung/"
      },
      {
        "name": "Walo Bertschinger SA Romandie",
        "url": "https://assay-systems.com/register/ch/walo-bertschinger-sa-romandie/"
      },
      {
        "name": "Berther Bau und Industrie AG",
        "url": "https://assay-systems.com/register/ch/berther-bau-und-industrie-ag/"
      },
      {
        "name": "Implenia Schweiz AG",
        "url": "https://assay-systems.com/register/ch/implenia-schweiz-ag/"
      },
      {
        "name": "Fretus AG",
        "url": "https://assay-systems.com/register/ch/fretus-ag/"
      },
      {
        "name": "Walo Bertschinger AG Bern",
        "url": "https://assay-systems.com/register/ch/walo-bertschinger-ag-bern/"
      },
      {
        "name": "Anliker AG Bauunternehmung",
        "url": "https://assay-systems.com/register/ch/anliker-ag-bauunternehmung/"
      },
      {
        "name": "Cellere Bau AG",
        "url": "https://assay-systems.com/register/ch/cellere-bau-ag/"
      },
      {
        "name": "Eberhard Bau AG",
        "url": "https://assay-systems.com/register/ch/eberhard-bau-ag/"
      },
      {
        "name": "Frutiger AG",
        "url": "https://assay-systems.com/register/ch/frutiger-ag/"
      },
      {
        "name": "Marti Bauunternehmung AG Luzern",
        "url": "https://assay-systems.com/register/ch/marti-bauunternehmung-ag-luzern/"
      },
      {
        "name": "Marti AG Bern, Moosseedorf",
        "url": "https://assay-systems.com/register/ch/marti-ag-bern-moosseedorf/"
      },
      {
        "name": "PraderLosinger SA",
        "url": "https://assay-systems.com/register/ch/praderlosinger-sa/"
      },
      {
        "name": "Trümpi AG, Bauunternehmung",
        "url": "https://assay-systems.com/register/ch/trumpi-ag-bauunternehmung/"
      },
      {
        "name": "vetsch-bau.ch AG",
        "url": "https://assay-systems.com/register/ch/vetsch-bau-ch-ag/"
      },
      {
        "name": "Walo Bertschinger AG",
        "url": "https://assay-systems.com/register/ch/walo-bertschinger-ag/"
      },
      {
        "name": "Albin Borer AG",
        "url": "https://assay-systems.com/register/ch/albin-borer-ag/"
      },
      {
        "name": "Alder-Zani AG Wil",
        "url": "https://assay-systems.com/register/ch/alder-zani-ag-wil/"
      },
      {
        "name": "ARGE Eulach ZHAW N.U.P. GmbH / Lerch AG",
        "url": "https://assay-systems.com/register/ch/arge-eulach-zhaw-n-u-p-gmbh-lerch-ag/"
      },
      {
        "name": "TU Baugrube SZR c/o Meier + Jäggi AG Zofingen",
        "url": "https://assay-systems.com/register/ch/tu-baugrube-szr-c-o-meier-jaggi-ag-zofingen/"
      },
      {
        "name": "Bauunternehmung Vetsch Klosters AG",
        "url": "https://assay-systems.com/register/ch/bauunternehmung-vetsch-klosters-ag/"
      },
      {
        "name": "Birchmeier Bau AG",
        "url": "https://assay-systems.com/register/ch/birchmeier-bau-ag/"
      },
      {
        "name": "Bisser AG",
        "url": "https://assay-systems.com/register/ch/bisser-ag/"
      },
      {
        "name": "Candinas SA",
        "url": "https://assay-systems.com/register/ch/candinas-sa/"
      },
      {
        "name": "Casada SA",
        "url": "https://assay-systems.com/register/ch/casada-sa/"
      },
      {
        "name": "Cons.Ligne 220kV Chamoson-Mühleberg",
        "url": "https://assay-systems.com/register/ch/cons-ligne-220kv-chamoson-muhleberg/"
      },
      {
        "name": "Consortium H18L300.1",
        "url": "https://assay-systems.com/register/ch/consortium-h18l300-1/"
      },
      {
        "name": "Consortium PSPC",
        "url": "https://assay-systems.com/register/ch/consortium-pspc/"
      },
      {
        "name": "Costa AG, Hoch- und Tiefbau",
        "url": "https://assay-systems.com/register/ch/costa-ag-hoch-und-tiefbau/"
      },
      {
        "name": "Dénériaz SA Sion",
        "url": "https://assay-systems.com/register/ch/deneriaz-sa-sion/"
      },
      {
        "name": "Equans Services AG",
        "url": "https://assay-systems.com/register/ch/equans-services-ag/"
      },
      {
        "name": "Esslinger AG",
        "url": "https://assay-systems.com/register/ch/esslinger-ag/"
      },
      {
        "name": "Fanger Elementtechnik AG",
        "url": "https://assay-systems.com/register/ch/fanger-elementtechnik-ag/"
      },
      {
        "name": "F. Bernasconi et Cie SA",
        "url": "https://assay-systems.com/register/ch/f-bernasconi-et-cie-sa/"
      },
      {
        "name": "Fratelli Lanfranchi SA",
        "url": "https://assay-systems.com/register/ch/fratelli-lanfranchi-sa/"
      },
      {
        "name": "Garaventa AG",
        "url": "https://assay-systems.com/register/ch/garaventa-ag/"
      },
      {
        "name": "Gebr. Huber AG",
        "url": "https://assay-systems.com/register/ch/gebr-huber-ag/"
      },
      {
        "name": "Greuter AG",
        "url": "https://assay-systems.com/register/ch/greuter-ag/"
      },
      {
        "name": "Grisoni-Zaugg S.A., succursale Saint-Légier-La Chiésaz",
        "url": "https://assay-systems.com/register/ch/grisoni-zaugg-s-a-succursale-saint-legier-la-chiesaz/"
      },
      {
        "name": "Heitkamp Construction Swiss GmbH",
        "url": "https://assay-systems.com/register/ch/heitkamp-construction-swiss-gmbh/"
      },
      {
        "name": "Hew AG Bauunternehmung Chur",
        "url": "https://assay-systems.com/register/ch/hew-ag-bauunternehmung-chur/"
      },
      {
        "name": "Hürlimann Bau AG",
        "url": "https://assay-systems.com/register/ch/hurlimann-bau-ag/"
      },
      {
        "name": "Hydrojet AG",
        "url": "https://assay-systems.com/register/ch/hydrojet-ag/"
      },
      {
        "name": "Jak. Scheifele AG",
        "url": "https://assay-systems.com/register/ch/jak-scheifele-ag/"
      },
      {
        "name": "Karl Geiges AG Tiefbauunternehmungen",
        "url": "https://assay-systems.com/register/ch/karl-geiges-ag-tiefbauunternehmungen/"
      },
      {
        "name": "Lazzarini AG",
        "url": "https://assay-systems.com/register/ch/lazzarini-ag/"
      },
      {
        "name": "Lötscher Tiefbau AG",
        "url": "https://assay-systems.com/register/ch/lotscher-tiefbau-ag/"
      },
      {
        "name": "Luzio Tiefbau AG",
        "url": "https://assay-systems.com/register/ch/luzio-tiefbau-ag/"
      },
      {
        "name": "AB Marti AG",
        "url": "https://assay-systems.com/register/ch/ab-marti-ag/"
      },
      {
        "name": "Marti AG, Bauunternehmung",
        "url": "https://assay-systems.com/register/ch/marti-ag-bauunternehmung/"
      },
      {
        "name": "Marti Construction SA",
        "url": "https://assay-systems.com/register/ch/marti-construction-sa/"
      },
      {
        "name": "Marty Korrosionsschutz AG",
        "url": "https://assay-systems.com/register/ch/marty-korrosionsschutz-ag/"
      },
      {
        "name": "MATTEO MUTTONI COSTRUZIONI SA",
        "url": "https://assay-systems.com/register/ch/matteo-muttoni-costruzioni-sa/"
      },
      {
        "name": "Mauchle Stahlbau AG",
        "url": "https://assay-systems.com/register/ch/mauchle-stahlbau-ag/"
      },
      {
        "name": "METTLER PRADER AG",
        "url": "https://assay-systems.com/register/ch/mettler-prader-ag/"
      },
      {
        "name": "p.a. Rampini & Cie SA",
        "url": "https://assay-systems.com/register/ch/p-a-rampini-cie-sa/"
      },
      {
        "name": "Rhomberg Bahntechnik AG",
        "url": "https://assay-systems.com/register/ch/rhomberg-bahntechnik-ag/"
      },
      {
        "name": "Rhomberg Sersa Rail AG",
        "url": "https://assay-systems.com/register/ch/rhomberg-sersa-rail-ag/"
      },
      {
        "name": "Rodio Geotechnik AG",
        "url": "https://assay-systems.com/register/ch/rodio-geotechnik-ag/"
      },
      {
        "name": "Schelbert AG, Tief- und Strassenbau",
        "url": "https://assay-systems.com/register/ch/schelbert-ag-tief-und-strassenbau/"
      },
      {
        "name": "Schenk AG Heldswil",
        "url": "https://assay-systems.com/register/ch/schenk-ag-heldswil/"
      },
      {
        "name": "Schmid Bautech AG Bauunternehmung",
        "url": "https://assay-systems.com/register/ch/schmid-bautech-ag-bauunternehmung/"
      },
      {
        "name": "Sosa gera SA",
        "url": "https://assay-systems.com/register/ch/sosa-gera-sa/"
      },
      {
        "name": "Stump-BTE Bautechnik AG",
        "url": "https://assay-systems.com/register/ch/stump-bte-bautechnik-ag/"
      },
      {
        "name": "STUTZ AG Bauunternehmung",
        "url": "https://assay-systems.com/register/ch/stutz-ag-bauunternehmung/"
      },
      {
        "name": "Theler AG, Bauunternehmung",
        "url": "https://assay-systems.com/register/ch/theler-ag-bauunternehmung/"
      },
      {
        "name": "Tibau AG",
        "url": "https://assay-systems.com/register/ch/tibau-ag/"
      },
      {
        "name": "Toneatti AG Bilten",
        "url": "https://assay-systems.com/register/ch/toneatti-ag-bilten/"
      },
      {
        "name": "Toscano Stahlbau AG",
        "url": "https://assay-systems.com/register/ch/toscano-stahlbau-ag/"
      },
      {
        "name": "Vonplon Strassenbau AG, Zweigniederlassung Zürich",
        "url": "https://assay-systems.com/register/ch/vonplon-strassenbau-ag-zweigniederlassung-zurich/"
      },
      {
        "name": "Walo Bertschinger AG Bern, Zweigniederlassung Muri b. Bern",
        "url": "https://assay-systems.com/register/ch/walo-bertschinger-ag-bern-zweigniederlassung-muri-b-bern/"
      },
      {
        "name": "Walo Bertschinger AG Graubünden",
        "url": "https://assay-systems.com/register/ch/walo-bertschinger-ag-graubunden/"
      },
      {
        "name": "Walo Bertschinger AG Ostschweiz",
        "url": "https://assay-systems.com/register/ch/walo-bertschinger-ag-ostschweiz/"
      },
      {
        "name": "Walpen AG Hoch- und Tiefbau, Filiale Visp",
        "url": "https://assay-systems.com/register/ch/walpen-ag-hoch-und-tiefbau-filiale-visp/"
      }
    ],
    "assay_record": "ASY-CH-0KZBSOD0UP",
    "cite_as": "Assay Systems, \"Construction work for bridges and tunnels, shafts and subways: Switzerland public contracts since 2024\", https://assay-systems.com/register/ch/line/construction-work-for-bridges-and-tunnels-shafts-and-subways/"
  }
}