OMG is an acronym for Officine Meccaniche Ghiglia, named after the Founder.

The company founded in 1984 is specialized in sheet metal working and mechanical construction in general, it mainly works for companies in the railway rolling stock sector, establishing supply relationships, among others, with Alstom, Hitachi (Ansaldobreda), Bombardier, Titagarh Firema Adler and Siemens, gaining the recognition of "reliable supplier" for the construction, maintenance and repair of rolling stock.

Values ​​such as quality and reliability form the basis on which the company bases its activities.