DEMA has been manufacturing and delivering secondary protection systems and supplementary products since 1977. The fundamentals of our company were first built through efforts of the company founder Mr. Ali MANSOURI in 1974, to develop the first national electromechanical protection relay.
DEMA Relay Industry and Trade Joint Stock Company was found in Istanbul, Turkey in 1977. From the foundation up to now, DEMA has been manufacturing and delivering secondary protection systems and supplementary products. The company has become one of the pioneer companies in the fields of protection knowledge base, product quality and customer support.
We have manufactured and delivered over 300,000 protection relays within our history, which have been applied successfully within national borders as well as in numerous countries within Asia, Europe and Africa continents.
The company has become one of the pioneer companies in the fields of protection knowledge base, product quality and customer support.
In the recent period, important studies we have carried out with various organized industrial regions of Turkey are as follows:
Usak Organized Industrial Zone (22 centers)
Sakarya Electricity Distribution Inc.
Denizli Organized Industrial Zone (1 main control center and 8 centers)
Manisa Akhisar Organized Industrial Zone (8 central and 13 central selectivities)
Zonguldak Caycuma Organized Industrial Zone (6 centers)
Istanbul Ikitelli Organized Industrial Zone (37 centers)
Mersin Tarsus Organized Industrial Zone (5 centers)
Balikesir Organized Industrial Zone (12 centers)
Istanbul Tuzla Chemical Industries Organized Industrial Zone
Istanbul Dudullu Imes Organized Industrial Zone
Istanbul Leather Organized Industrial Zone
Istanbul Anatolian Side Organized Industrial Zone
Ankara OSTIM Organized Industrial Zone.
Ghafoor Engineering (Pakistan)
Siemens AG (Germany)
Siemens SA (Portugal)
ATEF Group (Azerbaijan)
We provide services to Turkey Electricity Distribution Company, Turkey Electricity Transmission Company and many other institutions and organizations as well as our products and other technical issues, as well as the organized industrial zones.