We have accomplished to be the Mapa Group Comprised of 63 firms with high standards thriving on challenge and accomplishment, in the service of diverse sectors. Our aim is continually innovate and improve while contributing to country’s necessities, applying advanced technology in parallel to the civilized world in the all Branches of construction sector.


    Mehmet Nazif Günal
    Civil Engineer METU 1971 (BSc) 1973 (MSc)
    President and Chairman of the Board


MNG ZEMTAS Co. Inc. was founded in 1987 specialized in soil mechanics and geotechnical engineering for 28 years.Company involves in implementation process of international and national projects by means of newest equipment's and Mechinery Park.

MNG ZEMTAS Co. Inc. has participated to and completed many projects on international and national level. Our goal is to find most feasible and economical solutions in scope of safe and economically designed principles through the implementation process.

Scope of Works

  • Geotechnical Design
  • Foundation Enginnering Applications
  • Instrumentation & Monitoring
  • Pile Loading Test
  • Road Crossing (Horizontal and Drilling and Assembling Steel and Concrete Pipes)

MNG Zemtas is one of the companies under Mapa Group. The Mapa Group also includes companies that are specialized in the areas of mechanical-electrical system installation projects, as well as architectural design services.

Below you may find some of the companies under Mapa Group that operate in the construction and contracting industries:

  • GÜNAL Construction Trading and Industry Co. Inc.
  • Mapa Construction and Trading Co. Inc.
  • MNG ESMAŞ Electrosystems Engineering Industry and Trading Inc.
  • MNG TESİSAT Heating Ventilation Air-Conditioning Industry and Trade Inc.
  • MNG TARGEM Research Technology Development Consultancy Projects and Construction Co. Inc.
  • MNG ZEMTAŞ Soil and Foundation Engineering Construction Co. Inc.