“Electricity distribution - Plovdiv ” SA – town of Plovdiv
districts: Plovdiv , Pazardzhik, Smolyan, Kardzhali, Haskovo

“Electricity distribution – Sofia - metropolitan” SA

“Electricity distribution – Pleven ” SA
districts: Pleven , Lovech, Vratsa , Montana , Vidin

“Electricity distribution – Stara Zagora ” SA
districts: Stara Zagora , Chirpan

National Electrical Company SA – “High voltage networks” enterprise – Sofia

National Electrical Company “Water electrical plant group Rodopi”

Heating electrical plant “Maritza Iztok” I, II and III

“Amperel” LTD, Sofia

“Adi – 21” LTD, - Plovdiv

“Brilliant” SA Plovdiv

DP “SV” SPMD – Plovdiv district

“Eurocom - Plovdiv ” LTD

“Eltelcom” LTD, town of Plovdiv Sole Proprietor

“TD-El – 0,4 – Toma Kirkov” Asenovgrad

“El. construction” LTD town of Kardzhali

“Electrolux – Tabakov & sons” LTD Plovdiv

“EMSI” LTD – Plovdiv

“Esprit D.A.N” – Sofia

“El.control” LTD Stara Zagora

“Elektrostroezhi” SA town of Hskovo

“Electroexpress – K. Ganev” LTD town of Pazardzhik

“Ecostroy 55” LTD Sofia

“Zografa” LTD – Plovdiv

“Intercomplex” LTD – Plovdiv

“Insa” LTD, town of Rakovski

“ITD” Saedinenie

“Kremikovtsi” SA

“Liebher hausgerrete – Maritza

” LTD “MEGA EL.” LTD

“Real - M” LTD Pazardzhik