167 companies with NACE 5231 - in Bucuresti 56 companies with NACE 5231 - in Ilfov 47 companies with NACE 5231 - in Bihor 42 companies with NACE 5231 - in Constanta 41 companies with NACE 5231 - in Timis 33 companies with NACE 5231 - in Cluj 21 companies with NACE 5231 - in Arges 19 companies with NACE 5231 - in Suceava 17 companies with NACE 5231 - in Arad 16 companies with NACE 5231 - in Iasi 16 companies with NACE 5231 - in Brasov 16 companies with NACE 5231 - in Maramures 14 companies with NACE 5231 - in Alba 13 companies with NACE 5231 - in Braila 12 companies with NACE 5231 - in Sibiu 12 companies with NACE 5231 - in Bacau 12 companies with NACE 5231 - in Galati 10 companies with NACE 5231 - in Valcea 9 companies with NACE 5231 - in Caras-severin 9 companies with NACE 5231 - in Harghita 9 companies with NACE 5231 - in Prahova 8 companies with NACE 5231 - in Covasna 8 companies with NACE 5231 - in Dolj 8 companies with NACE 5231 - in Olt 7 companies with NACE 5231 - in Neamt 6 companies with NACE 5231 - in Giurgiu 6 companies with NACE 5231 - in Buzau 6 companies with NACE 5231 - in Satu mare 5 companies with NACE 5231 - in Hunedoara 5 companies with NACE 5231 - in Mures 5 companies with NACE 5231 - in Dambovita 5 companies with NACE 5231 - in Calarasi 4 companies with NACE 5231 - in Teleorman 4 companies with NACE 5231 - in Salaj 3 companies with NACE 5231 - in Gorj 2 companies with NACE 5231 - in Botosani 2 companies with NACE 5231 - in Vaslui 1 companies with NACE 5231 - in Ialomita 1 companies with NACE 5231 - in Tulcea 1 companies with NACE 5231 - in Vrancea 1 companies with NACE 5231 - in Bistrita-nasaud 1 companies with NACE 5231 - in Mehedinti