1925 The Fundamental Stages. It was established by Francesco Di Maria in via Messina Marine, which at that time was considered the "Ante Litteram" industrial area of the city.

1969 The company took on its present corporate name and began variating its products with the first items in the paint production field.

1972 The modern factory plant was opened in the new industrial zone of the city. The Company is developing on a vast scale within an industrial structure of which, the Company's management is directed by the three Di Maria brothers, who continue the paternal enterprise Sir Giuseppe took on the position as President while Sir Giovanni is Head of Sales and Head of Technical Management is Sir Emilio.

1990 the third generation of the Di Maria family was already present. Francesco, son of Sir Giuseppe and Head of Sales and Marketing, promotes the GDM trademark throughout the North of Italy, intensifying the sales capacity.

1998 The company realizes the full acknowledgment of the quality of its own managerial and organizational system, the certification of quality according to the norm UNI EN ISO 9002.

2000 The company takes its area from 12000 to 22000 sq. metre, it is renewed and its production is more and more increased. Customer's satisfaction has always been the main aim of Giuseppe Di Maria factory paint, and this aim is reached through a company strategy based on a diversified production, a puntual service, a point quality control, realized according European directives. In order to respect carefully environment, Di Maria paint factory is waiting for ensuing ISO 14001 Certification.