About Us, Our Ideas, Our Vision

Supports Turkey’s Engineering Sector

About Dema

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:

  • Uşak 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 Çaycuma Organized Industrial Zone (6 centers)
  • Istanbul İkitelli Organized Industrial Zone (37 centers)
  • Mersin Tarsus Organized Industrial Zone (5 centers)
  • Balıkesir Organized Industrial Zone (12 centers)
  • Istanbul Tuzla Chemical Industries Organized Industrial Zone
  • Istanbul Dudullu İmes Organized Industrial Zone
  • Istanbul Leather Organized Industrial Zone
  • Istanbul Anatolian Side Organized Industrial Zone
  • Ankara OSTİM Organized Industrial Zone.
  • Vimtech (Taiwan)
  • 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.

Our company, which has set out with its customer-oriented, reliability, impartiality, responsibility, accessibility and dedication principles, has made it a principle to provide projects, manufacturing and engineering services to all of our customers and to support individual and institutional development.

Our company, which combines quality products and technical staff with perfect service, aims to provide analytical solution by analyzing customer expectation, bringing communication and technology components together for our customers, responding to the expectations of our customers in the fastest and desired quality, aims to increase the value of the customer for our company by establishing a relationship.