Am gasit 32 inregistrate in Sat dealu negru , comuna calatele dintre care
43 firme cu forma de organizare PFA, 32 firme cu forma de organizare SRL, 8 firme cu forma de organizare II, 6 firme cu forma de organizare IF, 2 firme cu forma de organizare CAP.
Cele mai intalnite activitati dupa cod caen sunt:
141 - Raising of dairy cattle (2 companies),
1610 - Sawmilling and planning of wood (5 companies),
220 - Logging (3 companies),
4120 - Construction of residential and non-residential buildings (2 companies),
8121 - General cleaning of buildings (5 companies).