| ISO 9001:2008 |
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|
ISO 3834-2 |
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| OHSAS 18001:2007 |
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|
DIN 18800-7 Class E |
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| State agency for metrological and technical supervision |
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|
National Union of Installation Organisations |
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| Membership at "Chamber of construction companies in Bulgaria" |
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|
Certificate - Construction projects Group I |
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| Certificate - Construction projects Group II |
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|
Certificate - Construction projects Group III |
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| Certificate - Construction projects Group IV |
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|
Certificate - Construction projects Group V |
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