- Port Authority - Port of Taranto
- Municipalities of:
Casalvieri (FR)
Ginosa (TA)
Massafra (TA)
Niscemi (CL)
Sava (TA)
Statte (TA)
- Econova Apulia Srl
- Taranto thermoelectric plant
- Enel Produzione SpA
- Thermoelectric power plants of:
South Brindisi
Civitavecchia (RM)
Fusina (VE)
Livorno Piombino
Porto Marghera (VE)
Porto Scuso
Santa Gilla
Sulcis
- Eni SpA
- Versalis SpA c / o Enichem SpA of Brindisi
- Arcelor Mittal
- Acciaierie D'Italia Spa