| ASM |
Italy (Brescia) |
| ASTALDI |
Italy (Rome) |
| AUTOSTRADE spa |
Italy (Rome) |
| BONIFICA spa |
Italy (Rome) |
| CARPITECH |
Switzerland (Lugano) |
| COMUNE DI COMO |
Italy (Como) |
| EDISON |
Italy (Milan) |
| ERTAN J.V. |
P.R. China (Beijing) |
| ENEL |
Italy (Rome) |
| FEDERICI |
Italy (Rome) |
| FLAG |
Italy (Bergamo) |
| THE WORLD BANK GROUP (IBRD) |
U.S.A. (Washington) |
| HUA NENG HYDROPOWER CORP. |
P.R. China (Ya An) |
| IMMOBILIARE CASCINA RUBINA |
Italy (Milan) |
| IMPREGILO |
Italy (Milan) |
| IMPRESIT BAKOLORI |
Nigeria (Lagos) |
| ITALSTRADE |
Italy (Milan) |
| JANGTZE RIVER VALLEY DEV. CORP. |
P.R. China (Wuhan) |
| LISHUI HYDROPOWER CORP. |
P.R. China (Changsha) |
| MWH Global Ltd |
U.S.A. (Chicago) |
| MEDITERRANEA DELLE ACQUE spa |
Italy (Genoa) |
| PROVINCIA DI BRESCIA |
Italy (Brescia) |
| PROVINCIA DI LECCO |
Italy (Lecco) |
| PROVINCIA DI MILANO |
Italy (Milan) |
| RPBW |
France (Paris) |
| SPEA INGEGNERIA EUROPEA |
Italy (Milan) |
| TEHERAN REGIONAL WATER BOARD |
Iran (Teheran) |
| TENAX |
Italy (Vigaṇ Brianza) |
| TODINI |
Italy (Rome) |
| TREVI |
Italy (Cesena) |
| UNITED NATIONS/ UNCTAD-GATT |
Swizerland (Genève) |
| YELLOW RIVER HYDRO. DEV. CORP. |
P.R. China (Zhenzhou) |