From the 15 largest companies of Nógrád 6 is involved in manufacturing electric machines, 3 in vehicle production, and 2–2 companies in metal and plastic production. Vehicle manufacturing plays an important role in industry of Nógrád: Among the 15 companies with the highest revenue there are 8 suppliers for the automotive industry, and five of them are involved in mechanical engineering.

Local industry can be built on the knowledge and experience gathered in metal industry, thanks to the iron and steel metallurgy traditions going back to the 19th century.