| Electrical Power Engineering Department of the Techincal University- Sofia|| A leading branch in the field of education and scientific researches in the field of electrical energetics.|
| Energy Solutions|| A manufacturer of photovoltaic modules.|
| ЕЛЕКТРОГЕЦ ООД|
A company manufacturing, selling and installing electric switchboards and complete communication devices for voltage up to and over 1000V, metal boards - transformers, metal complete power - transforming devices, etc.
| УЛЯНОВ АРХИТЕКТИ ЕООД|| An architecture company designing industrial and residential buildings and installations.|
| Market and project consult OOD|| Consultant company for European projects development, business plans, financial and investment consulting, market and marketing analyses and forecasts|
| Status finance|| accounting company|
|Heckert Solar AG- leading German manufacturer of premium quality crystalline photovoltaic modules|