{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-17T23:11:44Z",
  "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-PY-09KR5GO17I",
    "type": "page",
    "country": "py",
    "name": "MARGEN CONSTRUCTORA S.A: public contracts won without a rival in Paraguay",
    "url": "https://assay-systems.com/register/py/uncontested/s/margen-constructora-s-a/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 1,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 5,
        "unit": "percent",
        "display": "5%"
      },
      {
        "label": "without a competition",
        "value": 0,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 1,
        "unit": "count"
      }
    ],
    "text": [
      "MARGEN CONSTRUCTORA S.A won 1 of its 21 public contract awards in Paraguay without a rival from 2016-09-26 to 2025-11-14: 0 without a competition and 1 after a competition that drew a single bid. 1 buyer awarded it without a rival, the largest Municipalidad de Luque with 1."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2016-09-26",
          "Buyer": "Municipalidad de Luque ocds-03ad3f-314008-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-luque/",
          "How": "Single bid open",
          "Stated reason": "Contratación por Excepción"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Paraguay",
        "url": "https://assay-systems.com/register/py/uncontested/"
      },
      {
        "name": "record in the register",
        "url": "https://assay-systems.com/register/py/margen-constructora-s-a/"
      },
      {
        "name": "Municipalidad de Luque",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-luque/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-PY-09KR5GO17I",
    "cite_as": "Assay Systems, \"MARGEN CONSTRUCTORA S.A: public contracts won without a rival in Paraguay\", https://assay-systems.com/register/py/uncontested/s/margen-constructora-s-a/"
  }
}