49 companies with NACE 2331 - in Arges 5 companies with NACE 2331 - in Bucuresti 4 companies with NACE 2331 - in Prahova 4 companies with NACE 2331 - in Cluj 4 companies with NACE 2331 - in Bihor 3 companies with NACE 2331 - in Mures 3 companies with NACE 2331 - in Constanta 2 companies with NACE 2331 - in Arad 1 companies with NACE 2331 - in Satu mare 1 companies with NACE 2331 - in Timis 1 companies with NACE 2331 - in Hunedoara 1 companies with NACE 2331 - in Bacau 1 companies with NACE 2331 - in Dolj 1 companies with NACE 2331 - in Harghita 1 companies with NACE 2331 - in Alba 1 companies with NACE 2331 - in Ilfov 1 companies with NACE 2331 - in Maramures 1 companies with NACE 2331 - in Neamt