Vratsa
Sigma Vitesse Ltd., Vratsa was established in 1990 by specialists in anticorrosion protection at the Development and Implementation Base of Himko JSC, Vratsa, with its main activity focused on construction repairs in hard‑to‑reach areas using Industrial Alpine Techniques (IAT).
Sofia
English translation is in progress or not avaiable.
Dupnitsa
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Varna
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Tryavna
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Sofia
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Plovdiv
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Sofia
English translation is in progress or not avaiable.


