{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-16T08:57:10Z",
  "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-NL-1VZP5UN0ZI",
    "type": "line",
    "country": "nl",
    "name": "Sewer survey and sewage treatment consultancy services: Netherlands public contracts since 2024",
    "url": "https://assay-systems.com/register/nl/line/sewer-survey-and-sewage-treatment-consultancy-services/",
    "text": [
      "Since January 2024 the line carries 62 award notices from 58 buyers. 43 suppliers share it.",
      "15 in 2024. 28 in 2025. 19 in the first 9 months of 2026.",
      "14 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 the Netherlands."
    ],
    "records": [
      {
        "name": "all lines",
        "url": "https://assay-systems.com/register/nl/"
      },
      {
        "name": "vandervalk+degroot bv",
        "url": "https://assay-systems.com/register/nl/vandervalk-degroot-bv/"
      },
      {
        "name": "REMONDIS Smart Infra B.V.",
        "url": "https://assay-systems.com/register/nl/remondis-smart-infra-b-v/"
      },
      {
        "name": "Rions Zoetermeer B.V.",
        "url": "https://assay-systems.com/register/nl/rions-zoetermeer-b-v/"
      },
      {
        "name": "Teeuwissen Rioolreiniging Huizen B.V.",
        "url": "https://assay-systems.com/register/nl/teeuwissen-rioolreiniging-huizen-b-v/"
      },
      {
        "name": "FAB Riool- en Wegenbeheer B.V.",
        "url": "https://assay-systems.com/register/nl/fab-riool-en-wegenbeheer-b-v/"
      },
      {
        "name": "M.J. Oomen",
        "url": "https://assay-systems.com/register/nl/m-j-oomen/"
      },
      {
        "name": "M.J. Oomen Inspectie B.V.",
        "url": "https://assay-systems.com/register/nl/m-j-oomen-inspectie-b-v/"
      },
      {
        "name": "Weijers Techniek B.V.",
        "url": "https://assay-systems.com/register/nl/weijers-techniek-b-v/"
      },
      {
        "name": "C.T. Boshuis B.V.",
        "url": "https://assay-systems.com/register/nl/c-t-boshuis-b-v/"
      },
      {
        "name": "Jansen Rioolreiniging B.V.",
        "url": "https://assay-systems.com/register/nl/jansen-rioolreiniging-b-v/"
      },
      {
        "name": "Tolhuis Rioolinspecties B.V.",
        "url": "https://assay-systems.com/register/nl/tolhuis-rioolinspecties-b-v/"
      },
      {
        "name": "Van den Akker Cleaning & Inspection Services B.V.",
        "url": "https://assay-systems.com/register/nl/van-den-akker-cleaning-inspection-services-b-v/"
      },
      {
        "name": "Aannemersbedrijf Koen Meijer B.V.",
        "url": "https://assay-systems.com/register/nl/aannemersbedrijf-koen-meijer-b-v/"
      },
      {
        "name": "Acquaint BV",
        "url": "https://assay-systems.com/register/nl/acquaint-bv/"
      },
      {
        "name": "ADS Groep Water B.V.",
        "url": "https://assay-systems.com/register/nl/ads-groep-water-b-v/"
      },
      {
        "name": "Afvalwater Services B.V.",
        "url": "https://assay-systems.com/register/nl/afvalwater-services-b-v/"
      },
      {
        "name": "Aveco de Bondt B.V.",
        "url": "https://assay-systems.com/register/nl/aveco-de-bondt-b-v/"
      },
      {
        "name": "Eurofins Analytico B.V.",
        "url": "https://assay-systems.com/register/nl/eurofins-analytico-b-v/"
      },
      {
        "name": "GMB Leidingtechnieken B.V.",
        "url": "https://assay-systems.com/register/nl/gmb-leidingtechnieken-b-v/"
      },
      {
        "name": "GP Groot rioolservice bv",
        "url": "https://assay-systems.com/register/nl/gp-groot-rioolservice-bv/"
      },
      {
        "name": "Haskoning Nederland B.V.",
        "url": "https://assay-systems.com/register/nl/haskoning-nederland-b-v/"
      },
      {
        "name": "Jonkers Riooltechniek B.V.",
        "url": "https://assay-systems.com/register/nl/jonkers-riooltechniek-b-v/"
      },
      {
        "name": "Kennis van Pompen B.V.",
        "url": "https://assay-systems.com/register/nl/kennis-van-pompen-b-v/"
      },
      {
        "name": "M.J. Oomen Inspecties B.V.",
        "url": "https://assay-systems.com/register/nl/m-j-oomen-inspecties-b-v/"
      },
      {
        "name": "Moons Rioolzorg B.V.",
        "url": "https://assay-systems.com/register/nl/moons-rioolzorg-b-v/"
      },
      {
        "name": "Nelen & Schuurmans B.V.",
        "url": "https://assay-systems.com/register/nl/nelen-schuurmans-b-v/"
      },
      {
        "name": "Partners4UrbanWater",
        "url": "https://assay-systems.com/register/nl/partners4urbanwater/"
      },
      {
        "name": "P.C. van der Wiel B.V.",
        "url": "https://assay-systems.com/register/nl/p-c-van-der-wiel-b-v/"
      },
      {
        "name": "Rions Duiven B.V.",
        "url": "https://assay-systems.com/register/nl/rions-duiven-b-v/"
      },
      {
        "name": "Schagen Infra B.V.",
        "url": "https://assay-systems.com/register/nl/schagen-infra-b-v/"
      },
      {
        "name": "Silliker Netherlands B.V.",
        "url": "https://assay-systems.com/register/nl/silliker-netherlands-b-v/"
      },
      {
        "name": "Tauw B.V.",
        "url": "https://assay-systems.com/register/nl/tauw-b-v/"
      },
      {
        "name": "Vandervalk+Degroot B.V.",
        "url": "https://assay-systems.com/register/nl/vandervalk-degroot-b-v/"
      },
      {
        "name": "Van der Velden Rioleringsbeheer Nijmegen B.V.",
        "url": "https://assay-systems.com/register/nl/van-der-velden-rioleringsbeheer-nijmegen-b-v/"
      },
      {
        "name": "Van Doorn Geldermalsen B.V.",
        "url": "https://assay-systems.com/register/nl/van-doorn-geldermalsen-b-v/"
      },
      {
        "name": "Van Viegen Riooltechniek B.V.",
        "url": "https://assay-systems.com/register/nl/van-viegen-riooltechniek-b-v/"
      },
      {
        "name": "Veeg- en Rioolbedrijf Adriaans B.V.",
        "url": "https://assay-systems.com/register/nl/veeg-en-rioolbedrijf-adriaans-b-v/"
      },
      {
        "name": "Waterfeit Adviseurs B.V.",
        "url": "https://assay-systems.com/register/nl/waterfeit-adviseurs-b-v/"
      },
      {
        "name": "Willemsen Infra BV",
        "url": "https://assay-systems.com/register/nl/willemsen-infra-bv/"
      }
    ],
    "assay_record": "ASY-NL-1VZP5UN0ZI",
    "cite_as": "Assay Systems, \"Sewer survey and sewage treatment consultancy services: Netherlands public contracts since 2024\", https://assay-systems.com/register/nl/line/sewer-survey-and-sewage-treatment-consultancy-services/"
  }
}