{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T12:46:13Z",
  "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-0N7NNKY0FA",
    "type": "page",
    "country": "py",
    "name": "PETRO SERVICE S.R.L: public contracts won without a rival in Paraguay",
    "url": "https://assay-systems.com/register/py/uncontested/s/petro-service-s-r-l/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 5,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 42,
        "unit": "percent",
        "display": "42%"
      },
      {
        "label": "without a competition",
        "value": 0,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 5,
        "unit": "count"
      }
    ],
    "text": [
      "PETRO SERVICE S.R.L won 5 of its 12 public contract awards in Paraguay without a rival from 2018-05-08 to 2025-06-13: 0 without a competition and 5 after a competition that drew a single bid. 5 buyers awarded it without a rival, the largest Ministerio de Justicia (MJ) with 1."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2023-05-29",
          "Buyer": "Ministerio del Interior (M.I.) ocds-03ad3f-424278-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/ministerio-del-interior-m-i/",
          "How": "Single bid open",
          "Stated reason": "Concurso de Ofertas"
        },
        {
          "Date": "2022-10-27",
          "Buyer": "Ministerio de la Niñez y la Adolescencia (MINNA) ocds-03ad3f-417852-2",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/ministerio-de-la-ninez-y-la-adolescencia-minna/",
          "How": "Single bid open",
          "Stated reason": "Contratación Directa"
        },
        {
          "Date": "2021-09-07",
          "Buyer": "Presidencia de la República ocds-03ad3f-400516-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/presidencia-de-la-republica/",
          "How": "Single bid open",
          "Stated reason": "Contratación Directa"
        },
        {
          "Date": "2019-10-21",
          "Buyer": "Industria Nacional del Cemento (INC) ocds-03ad3f-365862-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/industria-nacional-del-cemento-inc/",
          "How": "Single bid open",
          "Stated reason": "Contratación Directa"
        },
        {
          "Date": "2018-05-08",
          "Buyer": "Ministerio de Justicia (MJ) ocds-03ad3f-347250-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/ministerio-de-justicia-mj/",
          "How": "Single bid open",
          "Stated reason": "Concurso de Ofertas"
        }
      ]
    ],
    "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/petro-service-s-r-l/"
      },
      {
        "name": "Ministerio de Justicia (MJ)",
        "url": "https://assay-systems.com/register/py/uncontested/b/ministerio-de-justicia-mj/"
      },
      {
        "name": "Ministerio del Interior (M.I.)",
        "url": "https://assay-systems.com/register/py/uncontested/b/ministerio-del-interior-m-i/"
      },
      {
        "name": "Industria Nacional del Cemento (INC)",
        "url": "https://assay-systems.com/register/py/uncontested/b/industria-nacional-del-cemento-inc/"
      },
      {
        "name": "Ministerio de la Niñez y la Adolescencia (MINNA)",
        "url": "https://assay-systems.com/register/py/uncontested/b/ministerio-de-la-ninez-y-la-adolescencia-minna/"
      },
      {
        "name": "Presidencia de la República",
        "url": "https://assay-systems.com/register/py/uncontested/b/presidencia-de-la-republica/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-PY-0N7NNKY0FA",
    "cite_as": "Assay Systems, \"PETRO SERVICE S.R.L: public contracts won without a rival in Paraguay\", https://assay-systems.com/register/py/uncontested/s/petro-service-s-r-l/"
  }
}