ASANSOR DUNYASI MAGAZINE

ASME  (American Society Of Mechanical Engineers)

CHAMBER OF MECHANICAL ENGINEERS

ELA (European Lift Association)

ELEVATOR WORLD

FACULTY of MECHANICAL OF THE  ISTANBUL TECHNICAL UNIVERSITY

IAEE (The International Association of Elevator Engineers)

ISO (International Organization for Standardization))

MINISTRY of INDUSTRY AND TRADE OF THE TURKISH REBUPLIC

LIFT INSTITUUT

LIFT REPORT 

TURKISH STANDARDS INSTITUTION

TURKAK (TURKISH ACCREDITATION AGENCY)

TUV-TGK