- ORGACHIM AD - Chemical plant, Ruse
- SOFIA BT - Tobacco company, Sofia
- WIENERBERGER EOOD - Bricks plant, Lukovit
- STOMANA INDUSTRY, Pernik
- BOBOV DOL - Thermal Power Plant
- MARITZA EAST I - Thermal Power Plan
- MARITZA EAST II - Thermal Power Plant
- MARITZA EAST III - Thermal Power Plant
- BIOVET, Peshtera
- NESTLE SOFIA AD, Sofia
- KRAFT FOODS AD, Svoge
- TANDEM, Sofia
- DEMAX - Printing facilities, Sofia
- PRINTING HOUSE DRUZHBA, Sofia
- GRAFOBAL - Paper and cardboard factory, Svoge
- STIMEX-Corrugated carton and packages factory, Sofia
- ASSAREL MEDET, Panagyurishte
- TITAN–ZLATNA PANEGA CIMENT AD, Zlatna Panega
- SOFIA METROPOLITAN, Sofia
- SHISHEDJAM - Glass factory, Targovishte
- SOLVEY SODI - Chemical factory, Devnia
- AGROPOLIHIM, Devnya
- SOPHARMA АD, Sofia
- DANONE SERDIKA S.A., Sofia
- IDEAL STANDART, Sevlievo
- ROTOPRESS - Printing facilities, Sofia
- RODINA - Printing facilities, Sofia
- EVN Bulgaria EAD, Plovdiv - 4 sites




