ALFA-BIT SRL , Bucuresti,

ALTIGE IMPEX SRL , Valea Cheii, Valcea

EL-MONT SRL , Bucuresti,

FERROLI ROMANIA SRL , Bucuresti,

PROMOTERM SRL , Chiajna, Ilfov

ROBERT BOSCH SRL - DEP. TERMOTEHNICA , sector 1, Bucuresti

SECPRAL PRO INSTALATII SRL , Cluj Napoca, Cluj

UNIPREST INSTAL , Targu Mures, Mures

VIESSMANN SRL , Ghimbav, Brasov

WALDEVAR ENERGY , Voluntari, Ilfov