{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T11:59:19Z",
  "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-0ZF7XES1OO",
    "type": "page",
    "country": "py",
    "name": "GRUPO RIO PARANA S.A: public contracts won without a rival in Paraguay",
    "url": "https://assay-systems.com/register/py/uncontested/s/grupo-rio-parana-s-a/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 17,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 40,
        "unit": "percent",
        "display": "40%"
      },
      {
        "label": "without a competition",
        "value": 4,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 13,
        "unit": "count"
      }
    ],
    "text": [
      "GRUPO RIO PARANA S.A won 17 of its 42 public contract awards in Paraguay without a rival from 2017-05-05 to 2024-10-24: 4 without a competition and 13 after a competition that drew a single bid. 6 buyers awarded it without a rival, the largest Municipalidad de Coronel Bogado with 9."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2024-10-24",
          "Buyer": "Municipalidad de Cambyretá ocds-03ad3f-455450-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-cambyreta/",
          "How": "Single bid open",
          "Stated reason": "Menor cuantía nacional"
        },
        {
          "Date": "2022-11-07",
          "Buyer": "Municipalidad de San Miguel ocds-03ad3f-406810-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-san-miguel/",
          "How": "Single bid open",
          "Stated reason": "Contratación Directa"
        },
        {
          "Date": "2021-08-27",
          "Buyer": "Municipalidad de Coronel Bogado ocds-03ad3f-401368-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-coronel-bogado/",
          "How": "No competition direct",
          "Stated reason": "Contratación por Excepción"
        },
        {
          "Date": "2021-06-14",
          "Buyer": "Municipalidad de Coronel Bogado ocds-03ad3f-389207-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-coronel-bogado/",
          "How": "Single bid open",
          "Stated reason": "Contratación Directa"
        },
        {
          "Date": "2021-05-25",
          "Buyer": "Municipalidad de Santiago ocds-03ad3f-397966-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-santiago/",
          "How": "No competition direct",
          "Stated reason": "Contratación por Excepción"
        },
        {
          "Date": "2021-05-25",
          "Buyer": "Municipalidad de Santiago ocds-03ad3f-389790-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-santiago/",
          "How": "No competition direct",
          "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/grupo-rio-parana-s-a/"
      },
      {
        "name": "Municipalidad de Coronel Bogado",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-coronel-bogado/"
      },
      {
        "name": "Municipalidad de Santiago",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-santiago/"
      },
      {
        "name": "Municipalidad de San Cosme y Damián",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-san-cosme-y-damian/"
      },
      {
        "name": "Municipalidad de Cambyretá",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-cambyreta/"
      },
      {
        "name": "Municipalidad de Ayolas",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-ayolas/"
      },
      {
        "name": "Municipalidad de San Miguel",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-san-miguel/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-PY-0ZF7XES1OO",
    "cite_as": "Assay Systems, \"GRUPO RIO PARANA S.A: public contracts won without a rival in Paraguay\", https://assay-systems.com/register/py/uncontested/s/grupo-rio-parana-s-a/"
  }
}