WebMail 
SIAD S.p.A.
Via S. Bernardino, 92, 24126 Bergamo Italy, Telefon: +390 35 32 81 11; Fax: +390 35 32 83 18
Istrabenz plini d.o.o. Beograd
Despota Stefana 12, Beograd, Srbija, Telefon: +381 11 334 09 49; Fax: +381 11 334 11 99
Istrabenz plini d.o.o, Bakar
Senjska cesta b.b., 51222 BAKAR (RIJEKA), Hrvatska, Telefon: +385 51 45 53 00; Fax: +385 51 76 11 75
Istrabenz plini d.o.o.
Sermin 8/a, 6000 KOPER, Slovenia, Telefon: +386 56 63 46 00 ; Fax: +386 56 63 46 99
Plinarna Maribor d.o.o.
Plinarniška ul. 9, 2000 MARIBOR, Slovenia, Telefon: +386 22 28 43 00 ; Fax: +386 22 52 22 72