308 companies with NACE 3312 - in Bucuresti 131 companies with NACE 3312 - in Timis 120 companies with NACE 3312 - in Ilfov 109 companies with NACE 3312 - in Cluj 108 companies with NACE 3312 - in Constanta 88 companies with NACE 3312 - in Prahova 78 companies with NACE 3312 - in Brasov 74 companies with NACE 3312 - in Dolj 69 companies with NACE 3312 - in Bihor 61 companies with NACE 3312 - in Iasi 54 companies with NACE 3312 - in Arad 50 companies with NACE 3312 - in Maramures 50 companies with NACE 3312 - in Galati 48 companies with NACE 3312 - in Sibiu 47 companies with NACE 3312 - in Bacau 47 companies with NACE 3312 - in Arges 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 28 companies with NACE 3312 - in Harghita 27 companies with NACE 3312 - in Neamt 27 companies with NACE 3312 - in Suceava 25 companies with NACE 3312 - in Satu mare 25 companies with NACE 3312 - in Salaj 23 companies with NACE 3312 - in Giurgiu 22 companies with NACE 3312 - in Alba 20 companies with NACE 3312 - in Buzau 20 companies with NACE 3312 - in Caras-severin 17 companies with NACE 3312 - in Teleorman 17 companies with NACE 3312 - in Ialomita 16 companies with NACE 3312 - in Vaslui 16 companies with NACE 3312 - in Olt 15 companies with NACE 3312 - in Calarasi 14 companies with NACE 3312 - in Bistrita-nasaud 13 companies with NACE 3312 - in Gorj 13 companies with NACE 3312 - in Valcea 12 companies with NACE 3312 - in Covasna 11 companies with NACE 3312 - in Mehedinti 11 companies with NACE 3312 - in Botosani 9 companies with NACE 3312 - in Tulcea