PSG is a result of the business activity of the Papadopoulos family since 1975 when Panagiotis Papadopoulos settled in Thessaloniki and started with a small glass shop.

Since the beginning, the company focused on innovation. In 1979 his brother George joined the company and in 1982, were the first to produce double glass panes in Greece. During a decade in which the construction industry was booming, Panagiotis Papadopoulos moved the business to the industrial area in Sindos, where it is still found, The automated production of double glass panes began there, as well as the architectural application on glass.

During that time, technologies related to glass panes evolved drastically, thus led to the introduction of laminated glass by the company in the country in 1997. This addition was evidence of the company’s groundbreaking vision. In 2004, PSG brought the first line for screen printing glass panel in jumbo dimension.

In 2006, the company was established as one of the foremost vertical integration companies in the Balkans. As a result, the company still has access to all needed applications, having experience, knowledge and the will to succeed throughout all its years.
After 2018, Alexandros and Tasos Papadopoulos took over the administration of the company, increasing the production rate and the human resources of the company. There was a rapid increase in the number of members that comprise PSG with the employment of 35 new members, as a result of the intensified production activity.

In 2020, the company established a national logistics network with 2 to 3 days delivery of the processed glasses