234 companies with NACE 3101 - in Bucuresti 137 companies with NACE 3101 - in Cluj 91 companies with NACE 3101 - in Iasi 71 companies with NACE 3101 - in Ilfov 59 companies with NACE 3101 - in Timis 55 companies with NACE 3101 - in Brasov 54 companies with NACE 3101 - in Dolj 51 companies with NACE 3101 - in Bihor 47 companies with NACE 3101 - in Prahova 47 companies with NACE 3101 - in Maramures 39 companies with NACE 3101 - in Arad 32 companies with NACE 3101 - in Suceava 31 companies with NACE 3101 - in Arges 30 companies with NACE 3101 - in Dambovita 30 companies with NACE 3101 - in Buzau 28 companies with NACE 3101 - in Olt 28 companies with NACE 3101 - in Alba 28 companies with NACE 3101 - in Constanta 26 companies with NACE 3101 - in Sibiu 25 companies with NACE 3101 - in Neamt 24 companies with NACE 3101 - in Galati 24 companies with NACE 3101 - in Bacau 23 companies with NACE 3101 - in Mures 23 companies with NACE 3101 - in Ialomita 22 companies with NACE 3101 - in Satu mare 20 companies with NACE 3101 - in Gorj 19 companies with NACE 3101 - in Botosani 18 companies with NACE 3101 - in Salaj 17 companies with NACE 3101 - in Bistrita-nasaud 17 companies with NACE 3101 - in Hunedoara 16 companies with NACE 3101 - in Mehedinti 16 companies with NACE 3101 - in Valcea 15 companies with NACE 3101 - in Teleorman 12 companies with NACE 3101 - in Vaslui 12 companies with NACE 3101 - in Harghita 11 companies with NACE 3101 - in Vrancea 11 companies with NACE 3101 - in Caras-severin 11 companies with NACE 3101 - in Braila 10 companies with NACE 3101 - in Tulcea 10 companies with NACE 3101 - in Calarasi 10 companies with NACE 3101 - in Covasna 6 companies with NACE 3101 - in Giurgiu