{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-17T23:45:19Z",
  "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-DO-0ST1PC80KX",
    "type": "page",
    "country": "do",
    "name": "Constructora Concrebuk, SRL: public contracts won without a rival in Dominican Republic",
    "url": "https://assay-systems.com/register/do/uncontested/s/constructora-concrebuk-srl/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 4,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 100,
        "unit": "percent",
        "display": "100%"
      },
      {
        "label": "without a competition",
        "value": 0,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 4,
        "unit": "count"
      }
    ],
    "text": [
      "Constructora Concrebuk, SRL won 4 of its 4 public contract awards in Dominican Republic without a rival from 2018-02-14 to 2019-10-28: 0 without a competition and 4 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest Dirección General de Aduanas y Puertos with 2."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2019-10-28",
          "Buyer": "Cuerpo Especializado en Seguridad Aeroportuaria ocds-6550wx-CESAC-UC-CD-2019-0032",
          "Buyer link": "https://assay-systems.com/register/do/uncontested/b/cuerpo-especializado-en-seguridad-aeroportuaria/",
          "How": "Single bid open",
          "Stated reason": "Compras por Debajo del Umbral"
        },
        {
          "Date": "2019-06-14",
          "Buyer": "Cuerpo Especializado en Seguridad Aeroportuaria ocds-6550wx-CESAC-UC-CD-2019-0009",
          "Buyer link": "https://assay-systems.com/register/do/uncontested/b/cuerpo-especializado-en-seguridad-aeroportuaria/",
          "How": "Single bid open",
          "Stated reason": "Compras por Debajo del Umbral"
        },
        {
          "Date": "2018-07-24",
          "Buyer": "Dirección General de Aduanas y Puertos ocds-6550wx-DGAP-UC-CD-2018-0541",
          "Buyer link": "https://assay-systems.com/register/do/uncontested/b/direccion-general-de-aduanas-y-puertos/",
          "How": "Single bid open",
          "Stated reason": "Compras por Debajo del Umbral"
        },
        {
          "Date": "2018-02-14",
          "Buyer": "Dirección General de Aduanas y Puertos ocds-6550wx-DGAP-UC-CD-2018-0125",
          "Buyer link": "https://assay-systems.com/register/do/uncontested/b/direccion-general-de-aduanas-y-puertos/",
          "How": "Single bid open",
          "Stated reason": "Compras por Debajo del Umbral"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Dominican Republic",
        "url": "https://assay-systems.com/register/do/uncontested/"
      },
      {
        "name": "record in the register",
        "url": "https://assay-systems.com/register/do/constructora-concrebuk-srl/"
      },
      {
        "name": "Dirección General de Aduanas y Puertos",
        "url": "https://assay-systems.com/register/do/uncontested/b/direccion-general-de-aduanas-y-puertos/"
      },
      {
        "name": "Cuerpo Especializado en Seguridad Aeroportuaria",
        "url": "https://assay-systems.com/register/do/uncontested/b/cuerpo-especializado-en-seguridad-aeroportuaria/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-DO-0ST1PC80KX",
    "cite_as": "Assay Systems, \"Constructora Concrebuk, SRL: public contracts won without a rival in Dominican Republic\", https://assay-systems.com/register/do/uncontested/s/constructora-concrebuk-srl/"
  }
}