- "AcmeLight"
- Address:Dimitrova Str 30B "Civil Business Center"
- "East Energysaving Company" Ltd
- Address:Novikova
- ELT, Ltd
- Address:12 Vinter Boulevard
- Effective technologies!
- Address:
- Biochemicals International Ltd
- Address:
- EFI "InterGazSintez"
- Address:Mendeleev str. , 2-a