Name ENGRO, abbreviation of Grossmann Engineer, appeared in 1952, when the engineer Walter Grossmann, after years of work with imported equipment, decided to built them in Brazil, following the trend of that important moment for the country.

Was born , in March 19 of 1954 the Electric Instruments ENGRO S / A , with headquarters on Praça Dom José Gaspar nº 30 21º floor - São Paulo , place where remain yours offices , while the factory was installed in the Brooklin Paulista.

Once production began, the company took a prominent place on the national scene, manufacturing high quality instruments, which allowed the company to not only dominate the domestic market but also act strongly in foreign markets.

With refined enterprising spirit, the founder of ENGRO, set up the company with specialized and technical department able to develop equipment with technology, being the pioneer in manufacturing of temperature controllers, and one of the first to produce temperature sensors to the domestic market .

The innovative capacity of  ENGRO always placed in a privileged position in the market, which has always sought to develop products that met customer needs.

Paulo Jorge Grossmann, assuming the general direction of the company, maintained the high standard of its products, launching new products and also developing technology for the devices, following the intense development of this important market.

With the unexpected death of Mr. Jorge Paul Grossmann in 2006, assumed the direction of the company remaining partner Eugen Kurt Freudenthal, firmly establishing the continuity of business, so that all commitments have been made previously could be fully completed, moving up strongly to the future reserved for the company.