{
  "api": "assay-systems/v1",
  "key_tier": "none",
  "retrieved": "2026-10-18T04:47:26Z",
  "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-BR-1OLCTIZ1TH",
    "type": "page",
    "country": "br",
    "name": "CASA DO GAS LTDA: public contracts won without a rival in Brazil",
    "url": "https://assay-systems.com/register/br/uncontested/s/casa-do-gas-ltda/",
    "figures": [
      {
        "label": "uncontested awards",
        "value": 4,
        "unit": "count"
      },
      {
        "label": "of its awards",
        "value": 100,
        "unit": "percent",
        "display": "100%"
      },
      {
        "label": "without a competition",
        "value": 4,
        "unit": "count"
      },
      {
        "label": "single bid",
        "value": 0,
        "unit": "count"
      }
    ],
    "text": [
      "CASA DO GAS LTDA won 4 of its 4 public contract awards in Brazil without a rival from 2023-12-04 to 2026-01-28: 4 without a competition and 0 after a competition that drew a single bid. 3 buyers awarded it without a rival, the largest UNIVERSIDADE FEDERAL DO OESTE DA BAHIA with 2."
    ],
    "tables": [
      [
        {},
        {
          "Date": "2026-01-28",
          "Buyer": "MINISTERIO PUBLICO DA UNIAO ocds-914jxj-20005406000152026",
          "Buyer link": "https://assay-systems.com/register/br/uncontested/b/ministerio-publico-da-uniao-2/",
          "How": "No competition direct",
          "Stated reason": "tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false"
        },
        {
          "Date": "2025-12-24",
          "Buyer": "UNIVERSIDADE FEDERAL DO OESTE DA BAHIA ocds-914jxj-15871706001402025",
          "Buyer link": "https://assay-systems.com/register/br/uncontested/b/universidade-federal-do-oeste-da-bahia/",
          "How": "No competition direct",
          "Stated reason": "tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false"
        },
        {
          "Date": "2024-07-30",
          "Buyer": "MINISTERIO PUBLICO DA UNIAO ocds-914jxj-20005406000072024",
          "Buyer link": "https://assay-systems.com/register/br/uncontested/b/ministerio-publico-da-uniao/",
          "How": "No competition direct",
          "Stated reason": "tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false"
        },
        {
          "Date": "2023-12-04",
          "Buyer": "UNIVERSIDADE FEDERAL DO OESTE DA BAHIA ocds-914jxj-15871706900452023",
          "Buyer link": "https://assay-systems.com/register/br/uncontested/b/universidade-federal-do-oeste-da-bahia/",
          "How": "No competition direct",
          "Stated reason": "tipoInstrumentoConvocatorioCodigo: 3; tipoInstrumentoConvocatorioNome: Ato que autoriza a Contratação Direta; modoDisputaId: 5; modoDisputaNome: Não se aplica; srp: false"
        }
      ]
    ],
    "records": [
      {
        "name": "all of Brazil",
        "url": "https://assay-systems.com/register/br/uncontested/"
      },
      {
        "name": "record in the register",
        "url": "https://assay-systems.com/register/br/casa-do-gas-ltda/"
      },
      {
        "name": "UNIVERSIDADE FEDERAL DO OESTE DA BAHIA",
        "url": "https://assay-systems.com/register/br/uncontested/b/universidade-federal-do-oeste-da-bahia/"
      },
      {
        "name": "MINISTERIO PUBLICO DA UNIAO",
        "url": "https://assay-systems.com/register/br/uncontested/b/ministerio-publico-da-uniao-2/"
      },
      {
        "name": "MINISTERIO PUBLICO DA UNIAO",
        "url": "https://assay-systems.com/register/br/uncontested/b/ministerio-publico-da-uniao/"
      },
      {
        "name": "All countries",
        "url": "https://assay-systems.com/register/uncontested/"
      }
    ],
    "assay_record": "ASY-BR-1OLCTIZ1TH",
    "cite_as": "Assay Systems, \"CASA DO GAS LTDA: public contracts won without a rival in Brazil\", https://assay-systems.com/register/br/uncontested/s/casa-do-gas-ltda/"
  }
}