{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T01:45:27Z",
  "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-CO-1CYZYRK0XI",
    "type": "page",
    "country": "co",
    "name": "ISCA PROYECTOS S.A.S: public contracts won without a rival in Colombia",
    "url": "https://assay-systems.com/register/co/uncontested/s/isca-proyectos-s-a-s/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 4,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 40,
        "unit": "percent",
        "display": "40%"
      },
      {
        "label": "without a competition",
        "value": 4,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 0,
        "unit": "count"
      }
    ],
    "text": [
      "ISCA PROYECTOS S.A.S won 4 of its 10 public contract awards in Colombia without a rival from 2023-08-10 to 2026-08-31: 4 without a competition and 0 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest EMPRESA DE VIVIENDA Y DESARROLLO URBANO Y RURAL DEL MUNICIPIO DE ENVIGADO with 2."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-08-31",
          "Buyer": "EMPRESA DE VIVIENDA Y DESARROLLO URBANO Y RURAL DEL MUNICIPIO DE ENVIGADO CO1.PCCNTR.9880775",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/empresa-de-vivienda-y-desarrollo-urbano-y-rural-del-municipio-de-envigado/",
          "How": "No competition Contratación régimen especial",
          "Stated reason": "Regla aplicable"
        },
        {
          "Date": "2026-02-27",
          "Buyer": "EMPRESA DE VIVIENDA Y DESARROLLO URBANO Y RURAL DEL MUNICIPIO DE ENVIGADO CO1.PCCNTR.9366544",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/empresa-de-vivienda-y-desarrollo-urbano-y-rural-del-municipio-de-envigado/",
          "How": "No competition Contratación régimen especial",
          "Stated reason": "Regla aplicable"
        },
        {
          "Date": "2024-06-14",
          "Buyer": "Empresa de Desarrollo Urbano de La Ceja CO1.PCCNTR.6430049",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/empresa-de-desarrollo-urbano-de-la-ceja/",
          "How": "No competition Contratación régimen especial",
          "Stated reason": "Decreto 092 de 2017"
        },
        {
          "Date": "2023-08-10",
          "Buyer": "Empresa de Desarrollo Urbano de La Ceja CO1.PCCNTR.5278516",
          "Buyer link": "https://assay-systems.com/register/co/uncontested/b/empresa-de-desarrollo-urbano-de-la-ceja/",
          "How": "No competition Contratación régimen especial",
          "Stated reason": "Decreto 092 de 2017"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Colombia",
        "url": "https://assay-systems.com/register/co/uncontested/"
      },
      {
        "name": "record in the register",
        "url": "https://assay-systems.com/register/co/isca-proyectos-s-a-s/"
      },
      {
        "name": "EMPRESA DE VIVIENDA Y DESARROLLO URBANO Y RURAL DEL MUNICIPIO DE ENVIGADO",
        "url": "https://assay-systems.com/register/co/uncontested/b/empresa-de-vivienda-y-desarrollo-urbano-y-rural-del-municipio-de-envigado/"
      },
      {
        "name": "Empresa de Desarrollo Urbano de La Ceja",
        "url": "https://assay-systems.com/register/co/uncontested/b/empresa-de-desarrollo-urbano-de-la-ceja/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-CO-1CYZYRK0XI",
    "cite_as": "Assay Systems, \"ISCA PROYECTOS S.A.S: public contracts won without a rival in Colombia\", https://assay-systems.com/register/co/uncontested/s/isca-proyectos-s-a-s/"
  }
}