| A.G. PROIECT INTERNATIONAL SRL | 16920944 | Sector 6 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| NEW MAXI CONSULTING AND CONSTRUCTION SRL | 37160965 | Sat Pleşoiu Com. Pleşoiu, OLT |
| TEXROM WELL MANAGEMENT S.R.L. | 41190328 | Orş. Voluntari, ILFOV |
| INGENIERIA ESPECIALIZADA OBRA CIVIL E INDUSTRIAL S.A. MADRID SUCURSALA BUCURESTI (ROMANIA) SA | 17028677 | Sector 1 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| BITEA ANTREPRIZA SRL | 29952549 | Mun. Timişoara, TIMIŞ |
| BERKSAN MÜHENDİSLİK İNŞAAT VE SANAYİ A.Ş. İSTANBUL SUCURSALA CONSTANTA | 45479648 | Mun. Constanţa, CONSTANŢA |
| 3VOK AKTIV S.R.L. | 44216490 | Sector 2 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| VIA DESIGN SRL | 15085986 | Sector 1 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| MC GENERAL CONSTRUCT ENGINEERING SRL | 22626022 | Sector 2 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| PRO TOBY SRL | 5185767 | Mun. Iaşi, IAŞI |
| AMERO IMPEX COM SRL | 6812147 | Sector 5 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| INTO SRL | 17386373 | Sat Războieni Com. Ion Neculce, IAŞI |
| HELIOPOLISRO ENERGY & ENGINEERING SRL | 30538568 | Mun. Timişoara, TIMIŞ |
| CENTRUL DE PROIECTARE JUDEŢEAN SATU MARE SRL | 23874611 | Mun. Satu Mare, SATU MARE |
| VEGO DESIGN EXPERTISE S.R.L. | 39971785 | Sector 6 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| SADE INGENIERIE S.R.L. | 10181109 | Sector 2 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| BOMACO SRL | 5622462 | Sector 1 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| A B TEHNIC PROFESIONAL SRL | 14514176 | Sector 4 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| HILL INTERNATIONAL (BUCHAREST) SRL | 16489575 | Sector 1 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| JDA CONSULT SRL | 28272390 | Mun. Timişoara, TIMIŞ |
| COMPANIA DE CONSULTANTA IN ENERGIE SI MEDIU S.A. | 48013986 | Sector 1 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| EAST EUROPEAN BUSINESS CENTER (E.E.B.C.) SRL | 26016710 | Mun. Sibiu, SIBIU |
| TMF SRL | 16099122 | Mun. Târgu Mureş, MUREŞ |
| BKS ENGINEERING SRL | 34942207 | Mun. Cluj-Napoca, CLUJ |
| ENERGOBIT CONTROL SYSTEMS SRL | 15669454 | Mun. Cluj-Napoca, CLUJ |
| TOP RMR CONSTRUCT SRL | 33304154 | Mun. Timişoara, TIMIŞ |
| EPCM10 SRL | 37380871 | Sector 2 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| BRISK GROUP CONSULTING & DEVELOPMENT SRL | 36243035 | Sector 1 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| CONSIS PROIECT SRL | 7335054 | Sector 2 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |
| SIMEROM SRL | 12911099 | Sector 6 Mun. Bucureşti, MUNICIPIUL BUCUREŞTI |