{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T05:31:42Z",
  "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-111Z6E103I",
    "type": "page",
    "country": "ec",
    "name": "ESERSUM IND. CIA. LTDA: public contracts won without a rival in Ecuador",
    "url": "https://assay-systems.com/register/ec/uncontested/s/esersum-ind-cia-ltda/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 24,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 8,
        "unit": "percent",
        "display": "8%"
      },
      {
        "label": "without a competition",
        "value": 0,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 24,
        "unit": "count"
      }
    ],
    "text": [
      "ESERSUM IND. CIA. LTDA won 24 of its 299 public contract awards in Ecuador without a rival from 2016-01-07 to 2026-09-22: 0 without a competition and 24 after a competition that drew a single bid. 13 buyers awarded it without a rival, the largest CORPORACION ELECTRICA DEL ECUADOR CELEC EP with 5."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2025-02-05",
          "Buyer": "CORPORACION ELECTRICA DEL ECUADOR CELEC EP ocds-5wno2w-SIE-CELECEP-2024-06273-238940",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/corporacion-electrica-del-ecuador-celec-ep-2/",
          "How": "Single bid open",
          "Stated reason": "Subasta Inversa Electrónica"
        },
        {
          "Date": "2023-08-09",
          "Buyer": "CORPORACION ELECTRICA DEL ECUADOR CELEC EP ocds-5wno2w-SIE-CELHTP-076-2023-238940",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/corporacion-electrica-del-ecuador-celec-ep-2/",
          "How": "Single bid open",
          "Stated reason": "Subasta Inversa Electrónica"
        },
        {
          "Date": "2022-08-23",
          "Buyer": "CORPORACION ELECTRICA DEL ECUADOR CELEC EP ocds-5wno2w-SIE-CELHTP-114-2022-238940",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/corporacion-electrica-del-ecuador-celec-ep-2/",
          "How": "Single bid open",
          "Stated reason": "Subasta Inversa Electrónica"
        },
        {
          "Date": "2021-11-29",
          "Buyer": "EMPRESA PUBLICA MUNICIPAL DE AGUA POTABLE, ALCANTARILLADO Y GENERACION ELECTRICA DEL CANTON MEJIA, EP ocds-5wno2w-SIE-EPAAMEJ-24-2021-384004",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/empresa-publica-municipal-de-agua-potable-alcantarillado-y-generacion-electrica-2/",
          "How": "Single bid open",
          "Stated reason": "Subasta Inversa Electrónica"
        },
        {
          "Date": "2021-05-14",
          "Buyer": "Empresa Pública de hidrocarburos del Ecuador EP PETROECUADOR ocds-5wno2w-SIE-EPP-2020502-21-253178",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/empresa-publica-de-hidrocarburos-del-ecuador-ep-petroecuador-2/",
          "How": "Single bid open",
          "Stated reason": "Subasta Inversa Electrónica"
        },
        {
          "Date": "2020-06-01",
          "Buyer": "CORPORACION ELECTRICA DEL ECUADOR CELEC EP ocds-5wno2w-SIE-CELHAZ-006-20-238940",
          "Buyer link": "https://assay-systems.com/register/ec/uncontested/b/corporacion-electrica-del-ecuador-celec-ep-2/",
          "How": "Single bid open",
          "Stated reason": "Subasta Inversa Electrónica"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Ecuador",
        "url": "https://assay-systems.com/register/ec/uncontested/"
      },
      {
        "name": "CORPORACION ELECTRICA DEL ECUADOR CELEC EP",
        "url": "https://assay-systems.com/register/ec/uncontested/b/corporacion-electrica-del-ecuador-celec-ep-28/"
      },
      {
        "name": "CORPORACION ELECTRICA DEL ECUADOR CELEC EP",
        "url": "https://assay-systems.com/register/ec/uncontested/b/corporacion-electrica-del-ecuador-celec-ep-2/"
      },
      {
        "name": "Empresa Pública de hidrocarburos del Ecuador EP PETROECUADOR",
        "url": "https://assay-systems.com/register/ec/uncontested/b/empresa-publica-de-hidrocarburos-del-ecuador-ep-petroecuador-2/"
      },
      {
        "name": "MUNICIPIO DE LOJA",
        "url": "https://assay-systems.com/register/ec/uncontested/b/municipio-de-loja-2/"
      },
      {
        "name": "CORPORACION ELECTRICA DEL ECUADOR CELEC EP",
        "url": "https://assay-systems.com/register/ec/uncontested/b/corporacion-electrica-del-ecuador-celec-ep-20/"
      },
      {
        "name": "EMPRESA PUBLICA SIEMBRA EP EN LIQUIDACION",
        "url": "https://assay-systems.com/register/ec/uncontested/b/empresa-publica-siembra-ep-en-liquidacion/"
      },
      {
        "name": "EMPRESA PUBLICA MUNICIPAL DE AGUA POTABLE, ALCANTARILLADO Y GENERACION ELECTRICA DEL CANTON MEJIA, EP",
        "url": "https://assay-systems.com/register/ec/uncontested/b/empresa-publica-municipal-de-agua-potable-alcantarillado-y-generacion-electrica-2/"
      },
      {
        "name": "MUNICIPIO DE MEJIA",
        "url": "https://assay-systems.com/register/ec/uncontested/b/municipio-de-mejia-2/"
      },
      {
        "name": "HOSPITAL PEDIATRICO BACA ORTIZ",
        "url": "https://assay-systems.com/register/ec/uncontested/b/hospital-pediatrico-baca-ortiz-2/"
      },
      {
        "name": "CUERPO DE BOMBEROS DEL DISTRITO METROPOLITANO DE QUITO",
        "url": "https://assay-systems.com/register/ec/uncontested/b/cuerpo-de-bomberos-del-distrito-metropolitano-de-quito-2/"
      },
      {
        "name": "ACERIAS NACIONALES DEL ECUADOR SOCIEDAD ANONIMA (A.N.D.E.C.)",
        "url": "https://assay-systems.com/register/ec/uncontested/b/acerias-nacionales-del-ecuador-sociedad-anonima-a-n-d-e-c-2/"
      },
      {
        "name": "CORPORACION ELECTRICA DEL ECUADOR CELEC EP",
        "url": "https://assay-systems.com/register/ec/uncontested/b/corporacion-electrica-del-ecuador-celec-ep-14/"
      },
      {
        "name": "Empresa Pública Metropolitana de Agua Potable y Saneamiento",
        "url": "https://assay-systems.com/register/ec/uncontested/b/empresa-publica-metropolitana-de-agua-potable-y-saneamiento-2/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-EC-111Z6E103I",
    "cite_as": "Assay Systems, \"ESERSUM IND. CIA. LTDA: public contracts won without a rival in Ecuador\", https://assay-systems.com/register/ec/uncontested/s/esersum-ind-cia-ltda/"
  }
}