Am gasit 243 inregistrate in Petrosani dintre care
292 firme cu forma de organizare SRL, 106 firme cu forma de organizare PFA, 28 firme cu forma de organizare SA, 17 firme cu forma de organizare II, 2 firme cu forma de organizare SNC, 1 firme cu forma de organizare SCS.
Cele mai intalnite activitati dupa cod caen sunt:
4711 - Retail sale in non-specialized stores with food, beverages or tobacco predominating (23 companies),
4120 - Construction of residential and non-residential buildings (13 companies),
4791 - Retail sale via mail order houses or via Internet (11 companies),
4932 - Taxi operation (11 companies),
5610 - Restaurants and mobile food service activities (9 companies).