CONSTRUCTORA Y ALUMINIOS DIAZ SPA: public contracts won without a rival in Chile: 4 uncontested awards; 7% of its awards; 2 without a competition; 2 single bid.
Assay record ASY-CL-1KCGG7R05J · Cite as: Assay Systems, “CONSTRUCTORA Y ALUMINIOS DIAZ SPA: public contracts won without a rival in Chile”, https://assay-systems.com/register/cl/uncontested/s/constructora-y-aluminios-diaz-spa/
CONSTRUCTORA Y ALUMINIOS DIAZ SPA won 4 of its 58 public contract awards in Chile without a rival from 2024-04-23 to 2025-12-05: 2 without a competition and 2 after a competition that drew a single bid. 3 buyers awarded it without a rival, the largest DELEGACIÓN PRESIDENCIAL PROVINCIAL DE LIMARÍ with 2.
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.
DELEGACIÓN PRESIDENCIAL PROVINCIAL DE LIMARÍ gave CONSTRUCTORA Y ALUMINIOS DIAZ SPA 3 awards: 2 without a competition, 0 after a competition with a single bid. First 2025-05-28, latest 2025-08-06.
CORP NACIONAL FORESTAL gave CONSTRUCTORA Y ALUMINIOS DIAZ SPA 6 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-04-23, latest 2025-12-05.
I MUNICIPALIDAD DE LA HIGUERA gave CONSTRUCTORA Y ALUMINIOS DIAZ SPA 3 awards: 0 without a competition, 1 after a competition with a single bid. First 2024-09-26, latest 2024-10-17.
| Date | Buyer | How | Stated reason |
|---|---|---|---|
| 2025-08-06 | DELEGACIÓN PRESIDENCIAL PROVINCIAL DE LIMARÍ CL-53189621 | No competition direct | Emergencia, urgencia o imprevisto |
| 2025-08-05 | DELEGACIÓN PRESIDENCIAL PROVINCIAL DE LIMARÍ CL-53197940 | No competition direct | Emergencia, urgencia o imprevisto |
| 2025-07-10 | CORP NACIONAL FORESTAL CL-9543274 | Single bid Licitación Pública Entre 100 y 1000 UTM (LE) | — |
| 2024-09-26 | I MUNICIPALIDAD DE LA HIGUERA CL-9424351 | Single bid Licitación Pública Menor a 100 UTM (L1) | — |
Every uncontested award in Chile · All countries · CONSTRUCTORA Y ALUMINIOS DIAZ SPA in the register
Source: ChileCompra / Mercado Público open data (purchase orders and tenders). 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.