In the course of these years the Hidrochem has carried out varies jobs for different customers, between which we remember:
   
- Agip Spa Oils, Refinery of Gela - Italy;   
- Europe Polymers, Plants of Gela, Siracusa and Ragusa - Italy;   
- Syndial Spa, Gela;   
- Api Soi Service, Marine Falconara (AN);   
- CNS Spa, Bologna;   
- Conapro Spa, Gela;   
- Ecological Spa, Gela;   
- Progema Imp. Srl, Gela;   
- Smim Spa Systems, Gela.