Ondumit was founded in Istanbul, Turkey in 2009 to produce plastic roof panels. Ondumit was the first company in Turkey to produce ASA/PVC roof panels using co-extrusion technology in 2013, and it quickly became the leader in its industry.

In addition to the first production facility in Istanbul / Kurtköy, Ondumit opened its second facility in 2019, which was built on 6.000 square meters in Sakarya 1st Organized Industrial Zone.

Producing plastic roofing panels in ISO and CE standards with 1.000.000 square meter annual production capacity facilities, Ondumit exports its products to more than 30 countries on 5 continents around the world.

As of 2018, Ondumit has taken its place among the top 30 highest export turnover companies in the Plastic Building Materials industry in Turkey.