Sigma Gas, SRL: public contracts won without a rival in Dominican Republic: 20 uncontested awards; 83% of its awards; 0 without a competition; 20 single bid.
Assay record ASY-DO-05YHZE70SJ · Cite as: Assay Systems, “Sigma Gas, SRL: public contracts won without a rival in Dominican Republic”, https://assay-systems.com/register/do/uncontested/s/sigma-gas-srl/
Sigma Gas, SRL won 20 of its 24 public contract awards in Dominican Republic without a rival from 2020-02-28 to 2026-04-20: 0 without a competition and 20 after a competition that drew a single bid. 2 buyers awarded it without a rival, the largest Tesorería Nacional with 16.
An award is uncontested when the buyer had no rival offer to weigh: it was made without a competition (direct award, negotiated procedure without a call for tenders, sole-source or advance-notice contract), or a competition was held and only one bid arrived. Every count below is built award by award from the official notices. Awards to individuals are not included.
Tesorería Nacional gave Sigma Gas, SRL 16 awards: 0 without a competition, 16 after a competition with a single bid. First 2020-07-23, latest 2026-04-20.
Hospital General Dr. Vinicio Calventi gave Sigma Gas, SRL 8 awards: 0 without a competition, 4 after a competition with a single bid. First 2020-02-28, latest 2026-04-06.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2026-04-20 | Tesorería Nacional ocds-6550wx-TESORERIA NACIONAL-DAF-CD-2026-0044 | Single bid open | Compras por Debajo del Umbral |
| 2025-10-29 | Tesorería Nacional ocds-6550wx-TESORERIA NACIONAL-DAF-CD-2025-0138 | Single bid open | Compras por Debajo del Umbral |
| 2025-03-10 | Tesorería Nacional ocds-6550wx-TESORERIA NACIONAL-DAF-CD-2025-0019 | Single bid open | Compras por Debajo del Umbral |
| 2025-01-16 | Hospital General Dr. Vinicio Calventi ocds-6550wx-HGDVC-DAF-CD-2025-0001 | Single bid open | Compras por Debajo del Umbral |
| 2024-09-25 | Tesorería Nacional ocds-6550wx-TESORERIA NACIONAL-DAF-CD-2024-0166 | Single bid open | Compras por Debajo del Umbral |
| 2024-06-11 | Tesorería Nacional ocds-6550wx-TESORERIA NACIONAL-DAF-CD-2024-0105 | Single bid open | Compras por Debajo del Umbral |
Every uncontested award in Dominican Republic · All countries · Sigma Gas, SRL in the register
Source: contract awards published by the Directorate General of Public Procurement of the Dominican Republic (DGCP) in the Open Contracting Data Standard (data.open-contracting.org), licensed under ODbL 1.0; awards from January 2016 to 30 September 2026, accessed 15 October 2026. Awards are matched to their buyer and supplier as published. Values in these notices often state a framework ceiling rather than a contract amount, so awards are counted, not summed. Updated 17 October 2026.