12 companies with NACE 3291 - in Bihor 7 companies with NACE 3291 - in Bucuresti 6 companies with NACE 3291 - in Olt 4 companies with NACE 3291 - in Bistrita-nasaud 2 companies with NACE 3291 - in Arad 2 companies with NACE 3291 - in Bacau 2 companies with NACE 3291 - in Buzau 2 companies with NACE 3291 - in Cluj 2 companies with NACE 3291 - in Dambovita 2 companies with NACE 3291 - in Iasi 2 companies with NACE 3291 - in Maramures 1 companies with NACE 3291 - in Dolj 1 companies with NACE 3291 - in Harghita 1 companies with NACE 3291 - in Valcea 1 companies with NACE 3291 - in Arges 1 companies with NACE 3291 - in Mures 1 companies with NACE 3291 - in Neamt 1 companies with NACE 3291 - in Caras-severin 1 companies with NACE 3291 - in Satu mare 1 companies with NACE 3291 - in Constanta 1 companies with NACE 3291 - in Covasna 1 companies with NACE 3291 - in Suceava