- Bistra Todorova 99
- Address:Zarigradsko Shousee 7th KM ZIT
- PC Service Ltd.
- Address:Tzar Simeon Veliki 65-A-48
- Bultoner Ltd
- Address:K. Sarafov 19
- INTIEL
- Address:9 Peter Beron Str.
- DTK Electronics Ltd.
- Address:133, "Tzarigradsko shosse" blvd.
- Tzolo Tzolov
- Address:59, Tzar Assen st.
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