| Nombre | RUC | Teléfono | Correo Electrónico | Acciones |
|---|---|---|---|---|
| A.C.I. Proyectos S.a. | --- | 6512060 | info@aciproyectos.com | |
| Consorcio de Servicios COS | --- | 59521 663636 | ingser@tigo.com.py | |
| CONSORCIO HYTSA-ICAP | --- | 59521211182 | nestorbritez@icap.com.py | |
| Consorcio IATASA-GEOLATINA | --- | 021 283890 | geolatina@tigo.com.py | |
| HAZEN AND SAWYER CONTROL | --- | 595 21 22431 | contacto@control.com.py | |
| NIPPON KOEI LAC | --- | -595 21 497981 | ovidio.ovando@nklac.com |