301 companies with NACE 3312 - in Bucuresti 133 companies with NACE 3312 - in Timis 124 companies with NACE 3312 - in Ilfov 110 companies with NACE 3312 - in Cluj 107 companies with NACE 3312 - in Constanta 89 companies with NACE 3312 - in Prahova 82 companies with NACE 3312 - in Brasov 73 companies with NACE 3312 - in Dolj 69 companies with NACE 3312 - in Bihor 61 companies with NACE 3312 - in Iasi 53 companies with NACE 3312 - in Arad 51 companies with NACE 3312 - in Maramures 49 companies with NACE 3312 - in Sibiu 48 companies with NACE 3312 - in Galati 48 companies with NACE 3312 - in Arges 46 companies with NACE 3312 - in Bacau 39 companies with NACE 3312 - in Mures 35 companies with NACE 3312 - in Hunedoara 34 companies with NACE 3312 - in Braila 33 companies with NACE 3312 - in Vrancea 33 companies with NACE 3312 - in Dambovita 29 companies with NACE 3312 - in Suceava 28 companies with NACE 3312 - in Harghita 26 companies with NACE 3312 - in Neamt 26 companies with NACE 3312 - in Salaj 24 companies with NACE 3312 - in Satu mare 23 companies with NACE 3312 - in Giurgiu 22 companies with NACE 3312 - in Alba 20 companies with NACE 3312 - in Caras-severin 19 companies with NACE 3312 - in Buzau 17 companies with NACE 3312 - in Teleorman 17 companies with NACE 3312 - in Ialomita 17 companies with NACE 3312 - in Olt 16 companies with NACE 3312 - in Vaslui 16 companies with NACE 3312 - in Calarasi 15 companies with NACE 3312 - in Bistrita-nasaud 14 companies with NACE 3312 - in Valcea 13 companies with NACE 3312 - in Gorj 13 companies with NACE 3312 - in Covasna 11 companies with NACE 3312 - in Botosani 11 companies with NACE 3312 - in Mehedinti 9 companies with NACE 3312 - in Tulcea