- GLA Grou
- Address:22 Tzar Boris III Varna,
- Engineering Glass and Ceramic
- Address:Dilyanka 15 Plovdiv,
- Keymat Corporatio
- Address:57-59 Borovo St. Sofia,
- Euroquest
- Address:Krakra Square2 Pernik - 2300 Bulgaria
- Euro Trade Group Corp.
- Address:125 Primorski blvd. Varna Bulgaria
- KUM Export (Overseas) Co. Ltd.
- Address:Krum Popov 22 Plovdiv Bulgaria
- Engineering Glass and Ceramics
- Address:Dilyanka 15 Plovdiv 4002 Bulgaria
1