308 companies with NACE 3312 - in Bucuresti 132 companies with NACE 3312 - in Timis 119 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 49 companies with NACE 3312 - in Galati 47 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 34 companies with NACE 3312 - in Braila 34 companies with NACE 3312 - in Hunedoara 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 22 companies with NACE 3312 - in Giurgiu 22 companies with NACE 3312 - in Alba 20 companies with NACE 3312 - in Caras-severin 20 companies with NACE 3312 - in Buzau 17 companies with NACE 3312 - in Ialomita 17 companies with NACE 3312 - in Teleorman 16 companies with NACE 3312 - in Olt 16 companies with NACE 3312 - in Vaslui 15 companies with NACE 3312 - in Calarasi 13 companies with NACE 3312 - in Gorj 13 companies with NACE 3312 - in Valcea 13 companies with NACE 3312 - in Bistrita-nasaud 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