351 companies with NACE 4391 - in Bucuresti 165 companies with NACE 4391 - in Mures 101 companies with NACE 4391 - in Prahova 91 companies with NACE 4391 - in Ilfov 89 companies with NACE 4391 - in Brasov 83 companies with NACE 4391 - in Cluj 68 companies with NACE 4391 - in Timis 58 companies with NACE 4391 - in Iasi 48 companies with NACE 4391 - in Galati 46 companies with NACE 4391 - in Constanta 44 companies with NACE 4391 - in Maramures 42 companies with NACE 4391 - in Bihor 41 companies with NACE 4391 - in Suceava 39 companies with NACE 4391 - in Bacau 36 companies with NACE 4391 - in Hunedoara 36 companies with NACE 4391 - in Arges 34 companies with NACE 4391 - in Sibiu 33 companies with NACE 4391 - in Arad 29 companies with NACE 4391 - in Dolj 28 companies with NACE 4391 - in Buzau 23 companies with NACE 4391 - in Alba 22 companies with NACE 4391 - in Salaj 21 companies with NACE 4391 - in Covasna 20 companies with NACE 4391 - in Satu mare 19 companies with NACE 4391 - in Vrancea 18 companies with NACE 4391 - in Vaslui 18 companies with NACE 4391 - in Bistrita-nasaud 17 companies with NACE 4391 - in Neamt 16 companies with NACE 4391 - in Dambovita 15 companies with NACE 4391 - in Botosani 13 companies with NACE 4391 - in Ialomita 12 companies with NACE 4391 - in Olt 12 companies with NACE 4391 - in Harghita 12 companies with NACE 4391 - in Valcea 11 companies with NACE 4391 - in Gorj 11 companies with NACE 4391 - in Giurgiu 10 companies with NACE 4391 - in Calarasi 10 companies with NACE 4391 - in Tulcea 9 companies with NACE 4391 - in Caras-severin 7 companies with NACE 4391 - in Teleorman 7 companies with NACE 4391 - in Braila 2 companies with NACE 4391 - in Mehedinti