11 companies with NACE 3317 - in Bucuresti 8 companies with NACE 3317 - in Prahova 8 companies with NACE 3317 - in Brasov 6 companies with NACE 3317 - in Dolj 4 companies with NACE 3317 - in Cluj 4 companies with NACE 3317 - in Constanta 3 companies with NACE 3317 - in Ilfov 3 companies with NACE 3317 - in Braila 3 companies with NACE 3317 - in Sibiu 3 companies with NACE 3317 - in Alba 2 companies with NACE 3317 - in Mehedinti 2 companies with NACE 3317 - in Suceava 2 companies with NACE 3317 - in Timis 2 companies with NACE 3317 - in Arges 2 companies with NACE 3317 - in Arad 2 companies with NACE 3317 - in Iasi 2 companies with NACE 3317 - in Caras-severin 1 companies with NACE 3317 - in Calarasi 1 companies with NACE 3317 - in Bistrita-nasaud 1 companies with NACE 3317 - in Galati 1 companies with NACE 3317 - in Gorj 1 companies with NACE 3317 - in Hunedoara 1 companies with NACE 3317 - in Ialomita 1 companies with NACE 3317 - in Mures 1 companies with NACE 3317 - in Olt