Am gasit 62 inregistrate in Sat ostra , comuna ostra dintre care
62 firme cu forma de organizare SRL, 25 firme cu forma de organizare PFA, 9 firme cu forma de organizare II, 6 firme cu forma de organizare CAP, 1 firme cu forma de organizare OC2.
Cele mai intalnite activitati dupa cod caen sunt:
1610 - Sawmilling and planning of wood (8 companies),
4711 - Retail sale in non-specialized stores with food, beverages or tobacco predominating (11 companies),
220 - Logging (3 companies),
4120 - Construction of residential and non-residential buildings (9 companies),
4941 - Freight transport by road (6 companies).