It started operating in 1937 and was formally incorporated as Oficina Mecânica Gloria in 1947. This company was focused on producing perforated sheets for coffee, rice, corn, cassava, sugar mills and other industrial uses. It currently serves a variety of industrial activities including: food, automotive, aeronautics, chemistry, pharmaceuticals, electro-electronics, civil and naval construction, paper and cellulose, petrochemicals, sugar and alcohol, mining, etc. It has more than 75 years of experience and is one of the largest and most experienced drilling companies in Brazil. In addition to smooth or spiral tubes in various dimensions, "Nold" filters for artesian wells and ground subsidence are also available. Metais Gloria, a company that never stops innovating and updating, increased the scope of its operations by creating sieves with conical perforations used for incredibly fine classifications.