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About Us
Marmara-Siegener Galvaniz
Established in 2003 in İzmit, Marmara-Siegener Galvaniz is one of Türkiye’s leading companies in the hot-dip galvanizing industry. With a strong commitment to sustainable growth and operational excellence, the company has rapidly gained a prominent position in the galvanizing sector.
As a significant milestone in its development journey, Marmara-Siegener Galvaniz formed a strategic partnership in 2008 with Siegener Verzinkerei Holding GmbH, one of Europe’s most reputable galvanizing organizations with over 100 years of experience.
Leveraging the technical expertise and synergy created by this partnership, one of Türkiye’s largest galvanizing facilities was commissioned in 2011 in Dilovası İMES OSB. In line with its growth strategy, a third galvanizing plant was launched in Velimeşe – Tekirdağ in September 2016. Most recently, as of September 2025, a new state-of-the-art facility in Alikahya OSB replaced the original İzmit plant, further enhancing the company’s technological infrastructure and production capacity.
As of 2026, the strategic partnership with Siegener Verzinkerei Holding GmbH has been concluded, and the company has transitioned into a new partnership structure with B.E. Wedge Holdings Limited, one of the world’s leading galvanizing organizations with over 150 years of heritage. This new collaboration further strengthens Marmara-Siegener Galvaniz’s global expertise and service quality.
Today, Marmara-Siegener Galvaniz A.Ş. operates three modern galvanizing plants with a total annual galvanizing capacity of 170.000 tons, providing 24/7 service. The company is committed to protecting steel against corrosion, extending product life cycles, and promoting efficient use of resources, while contributing to both the national economy and environmental sustainability.

History
2003
Kuruluş İzmit

2004
İzmit Tesis

2004
İzmit Tesis

2004
İzmit Tesis

2005
İzmit Tesis

2005
İzmit Tesis

2006
İzmit Tesis

2008
Siegener GmbH İş birliği

2008
Siegener GmbH İş birliği

2008
Siegener GmbH İş birliği

2011
Gebze Tesis açılış

2011
Gebze Tesis açılış

2013
Gebze Tesis

2014
10. Yıl

2016
Çorlu Tesis açılış

2016
Çorlu Tesis açılış

2016
Çorlu Tesis açılış

2017
Çorlu Tesis

2023
Gebze Tesis

2023
1 milyon Ton

2023
1 milyon Ton

2023
1 Milyon Ton

2024
20.Yıl

2024
20.Yıl

2024
20.Yıl

2026
B.E. Wedge Holdings Ltd. İş Birliği

Our Facilities

Marmara-Siegener
Galvaniz Tesislerinin
Farkları ve Avantajları
- The MSG, Gebze and Velimeşe plants, which are jointly owned by the German Galvanizing company Siegener Verzinkerei Holding, have been designed with the latest technology required by international standards, with environmental awareness and job security on the front panel.
- 1It is the biggest of Turkey with 16m length x 1.8m width x 3.2m depth galvanizing bath.
- In Marmara Region 3 different location, 3 different sizes of kettle with all kinds of customer requirements are answered with the advantage of location. Besides, it provides great advantage with its proximity to important logistic items such as port, bridge, highway.
- It is located in close proximity to large firms engaged in metal manufacturing business and pipes, profiles, flat and long producers.
- All of these are offered to 7/24 customers with absolute customer satisfaction and total quality understanding
