{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T18:26:09Z",
  "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-FI-01R8TRG1WD",
    "type": "line",
    "country": "fi",
    "name": "Roof works and other special trade construction works: Finland public contracts since 2024",
    "url": "https://assay-systems.com/register/fi/line/roof-works-and-other-special-trade-construction-works/",
    "text": [
      "Since January 2024 the line carries 32 award notices from 19 buyers. 107 suppliers share it.",
      "17 in 2024. 6 in 2025. 9 in the first 9 months of 2026.",
      "39 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 Finland."
    ],
    "records": [
      {
        "name": "all lines",
        "url": "https://assay-systems.com/register/fi/"
      },
      {
        "name": "ATL-Rakennushuolto OY",
        "url": "https://assay-systems.com/register/fi/atl-rakennushuolto-oy/"
      },
      {
        "name": "Consti Talotekniikka Oy",
        "url": "https://assay-systems.com/register/fi/consti-talotekniikka-oy/"
      },
      {
        "name": "Insinööritoimisto Peltomäki Oy",
        "url": "https://assay-systems.com/register/fi/insinooritoimisto-peltomaki-oy/"
      },
      {
        "name": "Mirlux Oy",
        "url": "https://assay-systems.com/register/fi/mirlux-oy/"
      },
      {
        "name": "Notocom OY",
        "url": "https://assay-systems.com/register/fi/notocom-oy/"
      },
      {
        "name": "Rakennusinsinööritoimisto Nortia Oy",
        "url": "https://assay-systems.com/register/fi/rakennusinsinooritoimisto-nortia-oy/"
      },
      {
        "name": "Sanerkas oy",
        "url": "https://assay-systems.com/register/fi/sanerkas-oy/"
      },
      {
        "name": "Uudenmaan IV-asennus Oy",
        "url": "https://assay-systems.com/register/fi/uudenmaan-iv-asennus-oy/"
      },
      {
        "name": "Arvokate Oy",
        "url": "https://assay-systems.com/register/fi/arvokate-oy/"
      },
      {
        "name": "BLC Turva Oy",
        "url": "https://assay-systems.com/register/fi/blc-turva-oy/"
      },
      {
        "name": "Bravida Finland Oy",
        "url": "https://assay-systems.com/register/fi/bravida-finland-oy/"
      },
      {
        "name": "Caverion Suomi Oy - Turvaratkaisut",
        "url": "https://assay-systems.com/register/fi/caverion-suomi-oy-turvaratkaisut/"
      },
      {
        "name": "Certego Oy",
        "url": "https://assay-systems.com/register/fi/certego-oy/"
      },
      {
        "name": "Cleefo Oy",
        "url": "https://assay-systems.com/register/fi/cleefo-oy/"
      },
      {
        "name": "Ellappi Oy",
        "url": "https://assay-systems.com/register/fi/ellappi-oy/"
      },
      {
        "name": "ESP Suomi Oy",
        "url": "https://assay-systems.com/register/fi/esp-suomi-oy/"
      },
      {
        "name": "Helsingin Lukkokeskus Oy 24h",
        "url": "https://assay-systems.com/register/fi/helsingin-lukkokeskus-oy-24h/"
      },
      {
        "name": "IKJ Rakennus Oy",
        "url": "https://assay-systems.com/register/fi/ikj-rakennus-oy/"
      },
      {
        "name": "Kreate Oy",
        "url": "https://assay-systems.com/register/fi/kreate-oy/"
      },
      {
        "name": "Lasitusliike kivijärvi oy",
        "url": "https://assay-systems.com/register/fi/lasitusliike-kivijarvi-oy/"
      },
      {
        "name": "Maalaus ja saneeraus Matti Virtanen Oy",
        "url": "https://assay-systems.com/register/fi/maalaus-ja-saneeraus-matti-virtanen-oy/"
      },
      {
        "name": "Pelti- ja Rautatyö Oy",
        "url": "https://assay-systems.com/register/fi/pelti-ja-rautatyo-oy/"
      },
      {
        "name": "Porin Teollisuusputki Oy",
        "url": "https://assay-systems.com/register/fi/porin-teollisuusputki-oy/"
      },
      {
        "name": "Rakennusliike Väätäinen Oy",
        "url": "https://assay-systems.com/register/fi/rakennusliike-vaatainen-oy/"
      },
      {
        "name": "RKV-Tekniikka Oy",
        "url": "https://assay-systems.com/register/fi/rkv-tekniikka-oy/"
      },
      {
        "name": "Saimaan Eristys Oy",
        "url": "https://assay-systems.com/register/fi/saimaan-eristys-oy/"
      },
      {
        "name": "Solar Age Oy",
        "url": "https://assay-systems.com/register/fi/solar-age-oy/"
      },
      {
        "name": "Tasova Oy",
        "url": "https://assay-systems.com/register/fi/tasova-oy/"
      },
      {
        "name": "Voltmen Oy",
        "url": "https://assay-systems.com/register/fi/voltmen-oy/"
      },
      {
        "name": "Woodside Bros Oy",
        "url": "https://assay-systems.com/register/fi/woodside-bros-oy/"
      },
      {
        "name": "Ahosen Palvelut Oy",
        "url": "https://assay-systems.com/register/fi/ahosen-palvelut-oy/"
      },
      {
        "name": "Arvonkorjaajat Oy",
        "url": "https://assay-systems.com/register/fi/arvonkorjaajat-oy/"
      },
      {
        "name": "Brushpainters Oy",
        "url": "https://assay-systems.com/register/fi/brushpainters-oy/"
      },
      {
        "name": "Cervius Group Oy",
        "url": "https://assay-systems.com/register/fi/cervius-group-oy/"
      },
      {
        "name": "City-Air Oy",
        "url": "https://assay-systems.com/register/fi/city-air-oy/"
      },
      {
        "name": "Concrete Urakointi Oy",
        "url": "https://assay-systems.com/register/fi/concrete-urakointi-oy/"
      },
      {
        "name": "Cramo Finland Oy",
        "url": "https://assay-systems.com/register/fi/cramo-finland-oy/"
      },
      {
        "name": "Entisöinti Rinne Oy",
        "url": "https://assay-systems.com/register/fi/entisointi-rinne-oy/"
      },
      {
        "name": "EnviroProcess Finland Oy",
        "url": "https://assay-systems.com/register/fi/enviroprocess-finland-oy/"
      },
      {
        "name": "E.S Group Oy",
        "url": "https://assay-systems.com/register/fi/e-s-group-oy/"
      },
      {
        "name": "Espoon Express Palvelut Oy",
        "url": "https://assay-systems.com/register/fi/espoon-express-palvelut-oy/"
      },
      {
        "name": "es urakointi oy",
        "url": "https://assay-systems.com/register/fi/es-urakointi-oy/"
      },
      {
        "name": "Grauline OY",
        "url": "https://assay-systems.com/register/fi/grauline-oy/"
      },
      {
        "name": "Höganäs Borgestad Oy",
        "url": "https://assay-systems.com/register/fi/hoganas-borgestad-oy/"
      },
      {
        "name": "Ilmastointitohtorit Oy",
        "url": "https://assay-systems.com/register/fi/ilmastointitohtorit-oy/"
      },
      {
        "name": "Inlook Sisustus Oy",
        "url": "https://assay-systems.com/register/fi/inlook-sisustus-oy/"
      },
      {
        "name": "ISS Palvelut Oy",
        "url": "https://assay-systems.com/register/fi/iss-palvelut-oy/"
      },
      {
        "name": "J. Holopainen Oy",
        "url": "https://assay-systems.com/register/fi/j-holopainen-oy/"
      },
      {
        "name": "JK Networks Oy",
        "url": "https://assay-systems.com/register/fi/jk-networks-oy/"
      },
      {
        "name": "J&K Rakennustekniikka Oy",
        "url": "https://assay-systems.com/register/fi/j-k-rakennustekniikka-oy/"
      },
      {
        "name": "JTR-Rakennus Oy",
        "url": "https://assay-systems.com/register/fi/jtr-rakennus-oy/"
      },
      {
        "name": "Kaarac",
        "url": "https://assay-systems.com/register/fi/kaarac/"
      },
      {
        "name": "Kattotutka Oy",
        "url": "https://assay-systems.com/register/fi/kattotutka-oy/"
      },
      {
        "name": "KerabitPro Oy",
        "url": "https://assay-systems.com/register/fi/kerabitpro-oy/"
      },
      {
        "name": "Oy Kiinteistöpalvelu ETS Fastighetsservice Ab",
        "url": "https://assay-systems.com/register/fi/oy-kiinteistopalvelu-ets-fastighetsservice-ab/"
      },
      {
        "name": "Kivityö Kaseva Oy",
        "url": "https://assay-systems.com/register/fi/kivityo-kaseva-oy/"
      },
      {
        "name": "Klaava Kiinteistöt Oy",
        "url": "https://assay-systems.com/register/fi/klaava-kiinteistot-oy/"
      },
      {
        "name": "Konesaumakatto Silver Oy",
        "url": "https://assay-systems.com/register/fi/konesaumakatto-silver-oy/"
      },
      {
        "name": "KSPT Group Oy",
        "url": "https://assay-systems.com/register/fi/kspt-group-oy/"
      },
      {
        "name": "KSPT-Insulation Oy",
        "url": "https://assay-systems.com/register/fi/kspt-insulation-oy/"
      },
      {
        "name": "Kymsol Oy",
        "url": "https://assay-systems.com/register/fi/kymsol-oy/"
      },
      {
        "name": "LVI Häme Oy",
        "url": "https://assay-systems.com/register/fi/lvi-hame-oy/"
      },
      {
        "name": "Oy Malgon Ltd",
        "url": "https://assay-systems.com/register/fi/oy-malgon-ltd/"
      },
      {
        "name": "Master Kuivaus Oy",
        "url": "https://assay-systems.com/register/fi/master-kuivaus-oy/"
      },
      {
        "name": "Mijorak Oy",
        "url": "https://assay-systems.com/register/fi/mijorak-oy/"
      },
      {
        "name": "MV-Jäähdytys Oy",
        "url": "https://assay-systems.com/register/fi/mv-jaahdytys-oy/"
      },
      {
        "name": "Nota Rakennus Oy",
        "url": "https://assay-systems.com/register/fi/nota-rakennus-oy/"
      },
      {
        "name": "Osuuskunta Konservointi ja Restaurointi Kollaasi",
        "url": "https://assay-systems.com/register/fi/osuuskunta-konservointi-ja-restaurointi-kollaasi/"
      },
      {
        "name": "Parru-Yhtiöt Oy",
        "url": "https://assay-systems.com/register/fi/parru-yhtiot-oy/"
      },
      {
        "name": "Perinnerakentaja Leo Lönnroth Oy",
        "url": "https://assay-systems.com/register/fi/perinnerakentaja-leo-lonnroth-oy/"
      },
      {
        "name": "POOL4YOU OY",
        "url": "https://assay-systems.com/register/fi/pool4you-oy/"
      },
      {
        "name": "ProPower Energy Oy",
        "url": "https://assay-systems.com/register/fi/propower-energy-oy/"
      },
      {
        "name": "Purkupiha Asbestityöt Oy",
        "url": "https://assay-systems.com/register/fi/purkupiha-asbestityot-oy/"
      },
      {
        "name": "Puutarhaliike Helle Oy",
        "url": "https://assay-systems.com/register/fi/puutarhaliike-helle-oy/"
      },
      {
        "name": "Rakennusentisöintiliike Ukri Oy",
        "url": "https://assay-systems.com/register/fi/rakennusentisointiliike-ukri-oy/"
      },
      {
        "name": "Rakennusliike Teuvo Hautala Oy",
        "url": "https://assay-systems.com/register/fi/rakennusliike-teuvo-hautala-oy/"
      },
      {
        "name": "Rakennuspalvelu Mantila Oy",
        "url": "https://assay-systems.com/register/fi/rakennuspalvelu-mantila-oy/"
      },
      {
        "name": "Rakennustoimisto Taitoneliö Oy",
        "url": "https://assay-systems.com/register/fi/rakennustoimisto-taitonelio-oy/"
      },
      {
        "name": "Rak. tsto. Lainio Laivoranta OY",
        "url": "https://assay-systems.com/register/fi/rak-tsto-lainio-laivoranta-oy/"
      },
      {
        "name": "Ralos eco Oy",
        "url": "https://assay-systems.com/register/fi/ralos-eco-oy/"
      },
      {
        "name": "R A Maalaus ja saneeraus Oy",
        "url": "https://assay-systems.com/register/fi/r-a-maalaus-ja-saneeraus-oy/"
      },
      {
        "name": "Ramirent Finland Oy",
        "url": "https://assay-systems.com/register/fi/ramirent-finland-oy/"
      },
      {
        "name": "Rave Rakennus Oy",
        "url": "https://assay-systems.com/register/fi/rave-rakennus-oy/"
      },
      {
        "name": "Renower Oy",
        "url": "https://assay-systems.com/register/fi/renower-oy/"
      },
      {
        "name": "Restaurointimaalaus Nykänen Oy",
        "url": "https://assay-systems.com/register/fi/restaurointimaalaus-nykanen-oy/"
      },
      {
        "name": "RS Business Oy",
        "url": "https://assay-systems.com/register/fi/rs-business-oy/"
      },
      {
        "name": "Satahitsaus Oy",
        "url": "https://assay-systems.com/register/fi/satahitsaus-oy/"
      },
      {
        "name": "Siirtopojat Oy",
        "url": "https://assay-systems.com/register/fi/siirtopojat-oy/"
      },
      {
        "name": "Sisustus PalSa Oy",
        "url": "https://assay-systems.com/register/fi/sisustus-palsa-oy/"
      },
      {
        "name": "Solarvoima Oy",
        "url": "https://assay-systems.com/register/fi/solarvoima-oy/"
      },
      {
        "name": "Somotec Oy",
        "url": "https://assay-systems.com/register/fi/somotec-oy/"
      },
      {
        "name": "SRG-Urakointi Oy",
        "url": "https://assay-systems.com/register/fi/srg-urakointi-oy/"
      },
      {
        "name": "STA Lattiat Oy",
        "url": "https://assay-systems.com/register/fi/sta-lattiat-oy/"
      },
      {
        "name": "Suomen KattoCenter Oy",
        "url": "https://assay-systems.com/register/fi/suomen-kattocenter-oy/"
      },
      {
        "name": "Tatti 7 Oy",
        "url": "https://assay-systems.com/register/fi/tatti-7-oy/"
      },
      {
        "name": "Telinekataja Oy",
        "url": "https://assay-systems.com/register/fi/telinekataja-oy/"
      },
      {
        "name": "Travid Oy",
        "url": "https://assay-systems.com/register/fi/travid-oy/"
      },
      {
        "name": "T Sähkö Oy",
        "url": "https://assay-systems.com/register/fi/t-sahko-oy/"
      },
      {
        "name": "Uudenmaan Rakennus- ja Maalauspalvelu Oy",
        "url": "https://assay-systems.com/register/fi/uudenmaan-rakennus-ja-maalauspalvelu-oy/"
      },
      {
        "name": "Veljekset Naakka OY",
        "url": "https://assay-systems.com/register/fi/veljekset-naakka-oy/"
      },
      {
        "name": "Vesi-Pauli Oy",
        "url": "https://assay-systems.com/register/fi/vesi-pauli-oy/"
      },
      {
        "name": "Virranta Oy",
        "url": "https://assay-systems.com/register/fi/virranta-oy/"
      },
      {
        "name": "Vossloh Rail Services Finland Oy",
        "url": "https://assay-systems.com/register/fi/vossloh-rail-services-finland-oy/"
      }
    ],
    "assay_record": "ASY-FI-01R8TRG1WD",
    "cite_as": "Assay Systems, \"Roof works and other special trade construction works: Finland public contracts since 2024\", https://assay-systems.com/register/fi/line/roof-works-and-other-special-trade-construction-works/"
  }
}