| PREXICO STRUCTURI SRL | 24052538 | Mun. Braşov, BRAŞOV |
| ERG-TECH ENGINEERING S.R.L. | 30403684 | Mun. Târgovişte, DÂMBOVIŢA |
| TRANSYLVANIA BUILDING SOLUTIONS S.R.L. | 43801983 | Mun. Cluj-Napoca, CLUJ |
| ENERGOPAC SRL | 24782354 | Mun. Cluj-Napoca, CLUJ |
| CONROM S.R.L. | 4705624 | Mun. Oradea, BIHOR |
| ISTRU CON SRL | 14682960 | Sector 1 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| ATOMTERRA S.R.L. | 49792876 | Sector 4 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| TOPO THEO S.R.L. | 42618903 | Mun. Alba Iulia, ALBA |
| E DESIGN OLIV S.R.L. | 38477130 | Sat Rediu Com. Ruginoasa, IAŞI |
| LAND UPGRADE SOLUTIONS S.R.L. | 45170510 | Mun. Cluj-Napoca, CLUJ |
| HOLDING STARTROM INVEST MG SRL | 19306893 | Mun. Piteşti, ARGEŞ |
| ZOLCSAK J ENGINEERING SRL | 18863306 | Sat Lazuri Com. Lazuri, SATU MARE |
| N.D.T. METALS ENGINEERING & SERVICE SRL | 25123564 | Mun. Iaşi, IAŞI |
| ARENA CONSULT S.R.L. | 23121044 | Mun. Braşov, BRAŞOV |
| SRB COMMERCIAL SERVICES S.R.L. | 38838765 | Sector 6 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| MEMONT S.R.L. | 46745640 | Mun. Cluj-Napoca, CLUJ |
| FORTNA SERVICES S.R.L. | 48019458 | Sector 4 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| ZANIBONI MICHELE SRL | 26178606 | Sat Dobra Com. Supur, SATU MARE |
| INGPLAN SRL | 17597613 | Sector 3 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| RONBAS CONCEPT SRL | 37112399 | Mun. Călăraşi, CĂLĂRAŞI |
| SISTEMA INGENERIA SRL FLORENTA SUCURSALA BUCURESTI | 43485880 | Sector 5 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| COMPAS SURVEY S.R.L. | 43734949 | Sat Gura Ocniţei Com. Gura Ocniţei, DÂMBOVIŢA |
| INFRA ROAD CONSTRUCT S.R.L. | 46450097 | Mun. Iaşi, IAŞI |
| SPEA ENGINEERING SA ROMA ITALIA SUCURSALA BUCURESTI | 11097961 | Sector 3 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| ENVIROGIS MODELLING S.R.L. | 41373317 | Mun. Iaşi, IAŞI |
| MAGIC PLAY SMART S.R.L. | 43217730 | Sector 6 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| GAMA TOPO PROIECT S.R.L. | 48239771 | Sat Zăvoi Orş. Ştefăneşti, ARGEŞ |
| HCG ENTERPRISE S.R.L. | 45996440 | Sat Dumbrăviţa Com. Dumbrăviţa, TIMIŞ |
| ENGINEERING EXPERT ADVICE S.R.L. | 27668592 | Mun. Braşov, BRAŞOV |
| ETHOSENERGY GMBH OBERHAUSEN SUCURSALA VOLUNTARI | 47241730 | Orş. Voluntari, ILFOV |