Chemical industry
Eastman Specialties OÜ
VKG AS
VKG Oil AS
Kiviõli Keemiatööstuse OÜ
Molycorp Silmet AS
Nitrofert AS
Novotrade Invest AS
Eesti Energia Õlitööstuse AS
Portlif Grupp OÜ

Power engineering
Eesti Energia AS
VKG Energia OÜ
E-on Russia
Yerevan TPP CJSC

Terminals
Vesta Terminal Tallinn OÜ
NOPAK EOS AS
BCT AS
Alexela Terminal AS

Gas distribution
Eesti Gaas AS
EG Võrguteenus AS
Elering AS

Pulp and paper industry
Horizon Tselluloosi ja Paberi AS
Metso Paper OY

Others
Eesti Energomonaaz AS
Lurtex OÜ
Breezemarine Grupp OÜ
Viru RMT OÜ
Napal AS
AVTEP JSC
Elektromonaaz OÜ
Elektro-Sistem AS
Ekobana UAB
Restag S.r.l