Cenk Karaloğlu, whose trade experience goes back to 1987 and Gülten Karaloğlu, who has a strong background in management and organization, founded MODÜL ÇELİK in 2001 by combining their common experience in STRUCTURAL STEEL MANUFACTURING sector. Later Atty. Caner Karaloğlu participated in collaboration after completion his education in law field.

MODÜLÇELİK is one of the leading company in the sector with a production capacity over 40.000 tons, active in a production field of 90.000 m2 in Kartepe District, Kocaeli province at the updated and technological machinery with educated and certificated staff.

Since it has been founded, MODÜL ÇELİK proved its power in engineering, manufacturing and mounting in international standards with the huge projects in and out of country, excellent customers’ relations and higher quality concept.

As MODÜL ÇELİK gets strength in the national and international arena from the projects that have been carried out such as industrial structures, petroleum refineries, bridges, plant buildings, skyrockets, airports, shopping malls, sports complexes, aesthetical constructions, hotels, vessels, convention centers, housings, Icosa structures, stainless piping and equipment manufacturings. MODÜL ÇELİK has been proceeding on its way proudly and determinedly in order to be the best in globalising world with its futuristic goal and perspective.


The essential values of MODÜL ÇELİK is perfection, innovation, quickness, traditional family values, happiness and safety of the employees and work ethics.

MODÜL ÇELİK, which has quality system certificates such as ISO 9001:2008, DIN 18800-7:2008-11 (CLASS E ) , (EXC4) EN 1090-1:2009 , (EXC4) EN1090-2:0-2008, EN 287, DIN EN ISO 3834 – 2, OHSAS 18001:2007, ISO 14001:2004, proceeds R&D studies, human resources, project and quality management, production and mounting processes, higher work safety, and good customer relations using a special tracking system (IFS) software and with a dynamic structure living up to management principles .

Apart from those we continue to realize social responsibility projects with constructing sports and social plants, natural parks and the supports given to education aiming at to be respectful to human and nature.