Veliko Tarnovo
"Sterm" LTD was founded in 1992 and during its 18 years of existence has become a leading company in the field of the heating system in the city of Veliko Tarnovo and the region.
Targovishte
English translation is in progress or not avaiable.
Sofia
English translation is in progress or not avaiable.
Sliven
Pestim energia Ltd. ("We save energy" Ltd.) offers engineering design, delivery and installation of energy-effective heating, ventilation and air-conditioning systems. Recently the company has also entered the market of renewable energy technologies and energy efficiency audits. The
Sofia
English translation is in progress or not avaiable.
Varna
English translation is in progress or not avaiable.