- "Lindner Bulgaria" Ltd.
- „Contract City" Ltd.
- „Bramac Roof Systems" Ltd.
- „Pioneer Development" Ltd.
- „Naftex Engineering" PLC
- „Litos - КО" Ltd.
- „Geotechmin" Ltd.
- "Velux Bulgaria" EOOD
- "Buldah-Roof Systems" Ltd.
- "VJF" Ltd. - official representative for Bulgaria TEGOLA
- "Armormat" Ltd. - the official representative for Bulgaria of IKO