- Doycommerce Ltd.
- Doy Commerce Ltd is established in 1993 as one of the first private companies in Bulgaria. It is one of the most successful Bulgarian trading and distribution companies for chemicals and chemical raw materials..
- Address:Shipchenski Prohod Str. , 69 / 21
- arrex-sintek
- Address:UL. Kniaz Boris I, 24
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