{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T10:43:24Z",
  "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-EC-00MNXCS1AB",
    "type": "page",
    "country": "ec",
    "name": "CONSTRUCTORA RIO BLANCO CORIBLA S.A: public contracts won without a rival in Ecuador",
    "url": "https://assay-systems.com/register/ec/uncontested/s/constructora-rio-blanco-coribla-s-a/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 9,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 64,
        "unit": "percent",
        "display": "64%"
      },
      {
        "label": "without a competition",
        "value": 0,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 9,
        "unit": "count"
      }
    ],
    "text": [
      "CONSTRUCTORA RIO BLANCO CORIBLA S.A won 9 of its 14 public contract awards in Ecuador without a rival from 2020-10-08 to 2026-04-08: 0 without a competition and 9 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest GOBIERNO MUNICIPAL DE MOCACHE with 8."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-04-08",
          "Buyer": "Gobierno Municipal de San Jacinto de Yaguachi ocds-5wno2w-LICS-GADMSJY-2026-003-128490",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/gobierno-municipal-de-san-jacinto-de-yaguachi-2/",
          "How": "Single bid open",
          "Stated reason": "Licitación"
        },
        {
          "Date": "2022-10-13",
          "Buyer": "GOBIERNO MUNICIPAL DE MOCACHE ocds-5wno2w-GADMCM-MCO-06-2022-21126",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/gobierno-municipal-de-mocache-2/",
          "How": "Single bid selective",
          "Stated reason": "Menor Cuantía"
        },
        {
          "Date": "2022-05-16",
          "Buyer": "GOBIERNO MUNICIPAL DE MOCACHE ocds-5wno2w-GADMCM-COTO-01-2022-21126",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/gobierno-municipal-de-mocache-2/",
          "How": "Single bid open",
          "Stated reason": "Cotización"
        },
        {
          "Date": "2021-10-05",
          "Buyer": "GOBIERNO MUNICIPAL DE MOCACHE ocds-5wno2w-GADMCM-MCO-08-2021-21126",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/gobierno-municipal-de-mocache-2/",
          "How": "Single bid selective",
          "Stated reason": "Menor Cuantía"
        },
        {
          "Date": "2021-04-28",
          "Buyer": "GOBIERNO MUNICIPAL DE MOCACHE ocds-5wno2w-GADMCM-R-MCO-02-2021-21126",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/gobierno-municipal-de-mocache-2/",
          "How": "Single bid selective",
          "Stated reason": "Menor Cuantía"
        },
        {
          "Date": "2021-03-05",
          "Buyer": "GOBIERNO MUNICIPAL DE MOCACHE ocds-5wno2w-GADMCM-MCO-001-2021-21126",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/gobierno-municipal-de-mocache-2/",
          "How": "Single bid selective",
          "Stated reason": "Menor Cuantía"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Ecuador",
        "url": "https://assay-systems.com/register/ec/uncontested/"
      },
      {
        "name": "GOBIERNO MUNICIPAL DE MOCACHE",
        "url": "https://assay-systems.com/register/ec/uncontested/b/gobierno-municipal-de-mocache-2/"
      },
      {
        "name": "Gobierno Municipal de San Jacinto de Yaguachi",
        "url": "https://assay-systems.com/register/ec/uncontested/b/gobierno-municipal-de-san-jacinto-de-yaguachi-2/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-EC-00MNXCS1AB",
    "cite_as": "Assay Systems, \"CONSTRUCTORA RIO BLANCO CORIBLA S.A: public contracts won without a rival in Ecuador\", https://assay-systems.com/register/ec/uncontested/s/constructora-rio-blanco-coribla-s-a/"
  }
}