Am gasit 34 inregistrate in Sat biertan , comuna biertan dintre care
33 firme cu forma de organizare SRL, 20 firme cu forma de organizare PFA, 2 firme cu forma de organizare II, 1 firme cu forma de organizare IF.
Cele mai intalnite activitati dupa cod caen sunt:
4322 - Plumbing, heat and air-conditioning installation (2 companies),
220 - Logging (2 companies),
4120 - Construction of residential and non-residential buildings (3 companies),
1101 - Distilling, rectifying and blending of spirits (2 companies),
5610 - Restaurants and mobile food service activities (3 companies).