{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T02:04:15Z",
  "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-01T0JA516C",
    "type": "page",
    "country": "py",
    "name": "DIESA SA: public contracts won without a rival in Paraguay",
    "url": "https://assay-systems.com/register/py/uncontested/s/diesa-sa/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 38,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 31,
        "unit": "percent",
        "display": "31%"
      },
      {
        "label": "without a competition",
        "value": 1,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 37,
        "unit": "count"
      }
    ],
    "text": [
      "DIESA SA won 38 of its 123 public contract awards in Paraguay without a rival from 2016-06-30 to 2025-11-05: 1 without a competition and 37 after a competition that drew a single bid. 28 buyers awarded it without a rival, the largest Municipalidad de Asunción with 6."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2025-03-06",
          "Buyer": "Municipalidad de Filadelfia ocds-03ad3f-459974-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-filadelfia/",
          "How": "Single bid open",
          "Stated reason": "Menor cuantía nacional"
        },
        {
          "Date": "2024-10-25",
          "Buyer": "Direccion Nacional de Propiedad Intelectual (DINAPI) ocds-03ad3f-444292-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/direccion-nacional-de-propiedad-intelectual-dinapi/",
          "How": "Single bid open",
          "Stated reason": "Menor cuantía nacional"
        },
        {
          "Date": "2024-10-23",
          "Buyer": "Universidad Nacional de Asunción (UNA) ocds-03ad3f-454740-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/universidad-nacional-de-asuncion-una/",
          "How": "Single bid open",
          "Stated reason": "Menor cuantía nacional"
        },
        {
          "Date": "2024-05-02",
          "Buyer": "Municipalidad de Fram ocds-03ad3f-442424-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-fram/",
          "How": "Single bid open",
          "Stated reason": "Menor cuantía nacional"
        },
        {
          "Date": "2024-02-09",
          "Buyer": "Municipalidad de Asunción ocds-03ad3f-426897-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-asuncion/",
          "How": "Single bid open",
          "Stated reason": "Contratación por Excepción"
        },
        {
          "Date": "2023-11-08",
          "Buyer": "Banco Central del Paraguay (BCP) ocds-03ad3f-433357-1",
          "Buyer link": "https://assay-systems.com/register/py/uncontested/b/banco-central-del-paraguay-bcp/",
          "How": "Single bid open",
          "Stated reason": "Licitación Pública Nacional"
        }
      ]
    ],
    "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/diesa-sa/"
      },
      {
        "name": "Municipalidad de Asunción",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-asuncion/"
      },
      {
        "name": "Ministerio del Interior (M.I.)",
        "url": "https://assay-systems.com/register/py/uncontested/b/ministerio-del-interior-m-i/"
      },
      {
        "name": "Banco Central del Paraguay (BCP)",
        "url": "https://assay-systems.com/register/py/uncontested/b/banco-central-del-paraguay-bcp/"
      },
      {
        "name": "Secretaria de Defensa del Consumidor y el Usuario (SEDECO)",
        "url": "https://assay-systems.com/register/py/uncontested/b/secretaria-de-defensa-del-consumidor-y-el-usuario-sedeco/"
      },
      {
        "name": "Municipalidad de Cambyretá",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-cambyreta/"
      },
      {
        "name": "Ministerio de Agricultura y Ganadería (MAG)",
        "url": "https://assay-systems.com/register/py/uncontested/b/ministerio-de-agricultura-y-ganaderia-mag/"
      },
      {
        "name": "Ministerio de Obras Públicas y Comunicaciones (MOPC)",
        "url": "https://assay-systems.com/register/py/uncontested/b/ministerio-de-obras-publicas-y-comunicaciones-mopc/"
      },
      {
        "name": "Municipalidad de Filadelfia",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-filadelfia/"
      },
      {
        "name": "Gobierno Departamental de Alto Paraná (A.PARANÁ)",
        "url": "https://assay-systems.com/register/py/uncontested/b/gobierno-departamental-de-alto-parana-a-parana/"
      },
      {
        "name": "Banco Nacional de Fomento (BNF)",
        "url": "https://assay-systems.com/register/py/uncontested/b/banco-nacional-de-fomento-bnf/"
      },
      {
        "name": "Autoridad Reguladora Radiologica y Nuclear (ARRN)",
        "url": "https://assay-systems.com/register/py/uncontested/b/autoridad-reguladora-radiologica-y-nuclear-arrn/"
      },
      {
        "name": "Municipalidad de San Lorenzo",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-san-lorenzo/"
      },
      {
        "name": "Municipalidad de Fram",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-fram/"
      },
      {
        "name": "Universidad Nacional de Asunción (UNA)",
        "url": "https://assay-systems.com/register/py/uncontested/b/universidad-nacional-de-asuncion-una/"
      },
      {
        "name": "Municipalidad de Salto del Guairá",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-salto-del-guaira/"
      },
      {
        "name": "Municipalidad de San Ignacio",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-san-ignacio/"
      },
      {
        "name": "Municipalidad de Capiatá",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-capiata/"
      },
      {
        "name": "Municipalidad de Bella Vista - Itapúa",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-bella-vista-itapua/"
      },
      {
        "name": "Municipalidad de Encarnación",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-encarnacion/"
      },
      {
        "name": "Municipalidad de San Miguel",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-san-miguel/"
      },
      {
        "name": "Industria Nacional del Cemento (INC)",
        "url": "https://assay-systems.com/register/py/uncontested/b/industria-nacional-del-cemento-inc/"
      },
      {
        "name": "Municipalidad de Ciudad del Este",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-ciudad-del-este/"
      },
      {
        "name": "Municipalidad de Mcal Jose Félix Estigarribia",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-mcal-jose-felix-estigarribia/"
      },
      {
        "name": "Direccion Nacional de Propiedad Intelectual (DINAPI)",
        "url": "https://assay-systems.com/register/py/uncontested/b/direccion-nacional-de-propiedad-intelectual-dinapi/"
      },
      {
        "name": "Ministerio del Ambiente y Desarrollo Sostenible (MADES)",
        "url": "https://assay-systems.com/register/py/uncontested/b/ministerio-del-ambiente-y-desarrollo-sostenible-mades/"
      },
      {
        "name": "Ministerio de Defensa Nacional (MDN)",
        "url": "https://assay-systems.com/register/py/uncontested/b/ministerio-de-defensa-nacional-mdn/"
      },
      {
        "name": "Municipalidad de Iruña",
        "url": "https://assay-systems.com/register/py/uncontested/b/municipalidad-de-iruna/"
      },
      {
        "name": "Honorable Cámara de Senadores",
        "url": "https://assay-systems.com/register/py/uncontested/b/honorable-camara-de-senadores/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-PY-01T0JA516C",
    "cite_as": "Assay Systems, \"DIESA SA: public contracts won without a rival in Paraguay\", https://assay-systems.com/register/py/uncontested/s/diesa-sa/"
  }
}