In October 2018 on the territory of Pirot registered 482 active companies, which represents a slight increase in comparison with last year. According to the financial statements submitted to the APR for 2017 of the total number of companies, only two of them belong to the category of large ones - Tigar Tajers and Tigar ad, three are classified into medium-sized companies - S & V Drilling Mine Services doo, Drumovi A & D d.o. .about. and Kubiktrans plus doo, 52 are small, while the rest are micro-economic companies.
Companies classified by sectors
|Agriculture,forestry and fishing||35||7,5|
|Expert,science and innovation companies||24||5,1|
According to the number of employees the two largest companies in the Pirot "Tigar tyres", and "Tigar" ad which together employ more than 4,600 workers. The biggest foreign investor is French "Michelin".