| 1 | ADURO IMPEX SRL | Sat Barboi, Comuna Greceşti | Dolj | 302.5 mil | 121 |
| 2 | EUSKADI SRL | Municipiul Timişoara | Timiş | 257.1 mil | 78 |
| 3 | TECNIC CONSULTING ENGINEERING ROMANIA SRL | Bucureşti Sectorul 1 | Bucureşti | 95.9 mil | 83 |
| 4 | ILF CONSULTING ENGINEERS ROMANIA S.R.L. | Municipiul Ploieşti | Prahova | 50.6 mil | 71 |
| 5 | IRD Engineering SRL Roma Sucursala Bucuresti | Bucureşti Sectorul 1 | Bucureşti | 46.3 mil | 91 |
| 6 | MEGA MÜHENDISLIK MÜȘAVIRLIK ANONIM SIRKETI ANKARA SUCURSALA BUCURESTI | Bucureşti Sectorul 3 | Bucureşti | 35.1 mil | 23 |
| 7 | INGENIERIA ESPECIALIZADA OBRA CIVIL E INDUSTRIAL S.A. MADRID SUCURSALA BUCURESTI (ROMANIA) SA | Bucureşti Sectorul 1 | Bucureşti | 26.3 mil | 19 |
| 8 | ACO GREEN DEVELOPMENT S.R.L. | Loc. Balş, Oraş Balş | Olt | 20.2 mil | 0 |
| 9 | MOON SECURITY S.R.L. | Bucureşti Sectorul 2 | Bucureşti | 20.2 mil | 82 |
| 10 | PSE ENGINEERING GMBH GERMANIA SUCURSALA PLOIEŞTI | Municipiul Ploieşti | Prahova | 19.6 mil | 45 |
| 11 | ROSINAV SRL | Municipiul Brăila | Brăila | 17.5 mil | 60 |
| 12 | HELIOPOLISRO WIND MANAGEMENT S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 14.6 mil | 6 |
| 13 | SDC PROIECT SRL | Municipiul Cluj-Napoca | Cluj | 14.4 mil | 23 |
| 14 | MGGP SA TARNOW SUCURSALA BUCURESTI | Bucureşti Sectorul 1 | Bucureşti | 13.5 mil | 1 |
| 15 | SYSTRA SA FRANTA SUCURSALA BUCURESTI | Bucureşti Sectorul 1 | Bucureşti | 12.7 mil | 4 |
| 16 | BKS ENGINEERING SRL | Municipiul Cluj-Napoca | Cluj | 12.0 mil | 55 |
| 17 | 3TI PROGETTI ITALIA - INGEGNERIA INTEGRATA S.P.A. ROMA SUCURSALA BUCURESTI | Bucureşti Sectorul 4 | Bucureşti | 11.5 mil | — |
| 18 | COLASANTI LIMITED DUBLIN SUCURSALA BUCUREŞTI | Bucureşti Sectorul 4 | Bucureşti | 9.5 mil | 2 |
| 19 | TEAM OIL SRL | Municipiul Ploieşti | Prahova | 9.3 mil | 52 |
| 20 | TOP ENGINEERING DESIGN SRL | Municipiul Craiova | Dolj | 8.8 mil | 14 |
| 21 | THE SNIFFERS S.R.L. | Municipiul Ploieşti | Prahova | 8.0 mil | 31 |
| 22 | BLOM INTERNATIONAL OPERATIONS SRL | Municipiul Târgovişte | Dâmboviţa | 7.5 mil | 60 |
| 23 | SEPULTURA IMPEX SRL | Sat Mocira, Comuna Recea | Maramureş | 7.4 mil | 52 |
| 24 | BENTLEY SYSTEMS ROMÂNIA SRL | Municipiul Iaşi | Iaşi | 7.3 mil | 23 |
| 25 | EUXIN MARINE DESIGN SRL | Municipiul Constanţa | Constanţa | 7.1 mil | 21 |
| 26 | ROCA FACILITY MANAGEMENT SRL | Municipiul Braşov | Braşov | 7.0 mil | 44 |
| 27 | GEO ARC SRL | Municipiul Târgovişte | Dâmboviţa | 6.9 mil | 13 |
| 28 | C.M.T. ENGINEERING SRL | Municipiul Mangalia | Constanţa | 6.7 mil | 11 |
| 29 | INSTITUTUL DE CERCETARI IN TRANSPORTURI INCERTRANS SA | Bucureşti Sectorul 1 | Bucureşti | 6.4 mil | 37 |
| 30 | LOTUS - RESART SRL | Bucureşti Sectorul 2 | Bucureşti | 6.3 mil | 12 |
| 31 | TOTAL ROAD SRL | Bucureşti Sectorul 6 | Bucureşti | 6.3 mil | 7 |
| 32 | ELCARA MANAGEMENT S.R.L. | Sat Dumbrăviţa, Comuna Dumbrăviţa | Timiş | 6.2 mil | 2 |
| 33 | QDC ENGINEERING SERVICES S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 6.2 mil | 18 |
| 34 | TERRA GAGE SRL | Bucureşti Sectorul 2 | Bucureşti | 6.1 mil | 10 |
| 35 | SPADA D' ARMI S.R.L. | Municipiul Râmnicu Vâlcea | Vâlcea | 5.8 mil | 90 |
| 36 | CENTERLINE ROMANIA SRL | Municipiul Braşov | Braşov | 5.8 mil | 26 |
| 37 | KRACIN PROJECT SOLUTIONS SRL | Comuna Berceni | Ilfov | 5.6 mil | 14 |
| 38 | CMCLEGAL - TRADE S.R.L. | Comuna Cumpăna | Constanţa | 5.6 mil | 1 |
| 39 | THINK BLU SOLUTION S.R.L. | Sat Chiajna, Comuna Chiajna | Ilfov | 5.5 mil | 7 |
| 40 | TERRA SOLUTION SERVICES SRL | Bucureşti Sectorul 1 | Bucureşti | 5.4 mil | 9 |
| 41 | TOP-PROIECT & CONSULTING SRL | Municipiul Sfântu Gheorghe | Covasna | 5.3 mil | 2 |
| 42 | TOPODEI SRL | Municipiul Tulcea | Tulcea | 5.1 mil | 8 |
| 43 | INFRANOVA SOLUTII TEHNICE IN CONSTRUCTII SRL | Bucureşti Sectorul 1 | Bucureşti | 5.0 mil | 6 |
| 44 | SSI SCHAEFER ENGINEERING S.R.L. | Municipiul Timişoara | Timiş | 5.0 mil | 17 |
| 45 | CREATIVE ROAD DESIGN SRL | Bucureşti Sectorul 2 | Bucureşti | 5.0 mil | 8 |
| 46 | STAIM ENGINEERING S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 4.9 mil | 17 |
| 47 | CONFIRM CONSTRUCTII SRL | Municipiul Cluj-Napoca | Cluj | 4.9 mil | 8 |
| 48 | FULL SERV CORE SRL | Sat Cârcea, Comuna Cârcea | Dolj | 4.8 mil | 5 |
| 49 | INSTAL DATA PROIECT SRL | Municipiul Cluj-Napoca | Cluj | 4.8 mil | 21 |
| 50 | BRIDGE BLUE CONSULTANCY SRL | Bucureşti Sectorul 4 | Bucureşti | 4.8 mil | 13 |
| 51 | ABL ENERGY & MARINE CONSULTANTS RO S.R.L. | Municipiul Constanţa | Constanţa | 4.7 mil | 5 |
| 52 | BOSTON CONSULT ENGINEERING SRL | Bucureşti Sectorul 2 | Bucureşti | 4.4 mil | 9 |
| 53 | APARO CONSULT SRL | Bucureşti Sectorul 3 | Bucureşti | 4.3 mil | 3 |
| 54 | CLN GLOBAL ENGINEERING SRL | Bucureşti Sectorul 6 | Bucureşti | 4.2 mil | 2 |
| 55 | INDEWE ROMANIA SRL | Bucureşti Sectorul 1 | Bucureşti | 4.2 mil | 2 |
| 56 | HYDROPLAN ENGINEERING SRL | Oraş Otopeni | Ilfov | 4.1 mil | 5 |
| 57 | TWENTY MAX SOLUTIONS S.R.L. | Municipiul Slatina | Olt | 4.0 mil | 19 |
| 58 | KEPCO ENGINEERING & CONSTRUCTION COMPANY INC. GIMCHEON-SUCURSALA CONSTANȚA | Municipiul Constanţa | Constanţa | 3.9 mil | 2 |
| 59 | GP1 EOLIAN GALATI SRL | Municipiul Buzău | Buzău | 3.9 mil | 15 |
| 60 | SENTIENT SRL | Bucureşti Sectorul 1 | Bucureşti | 3.8 mil | 6 |
| 61 | REGA ENGINEERING SRL | Oraş Măgurele | Ilfov | 3.7 mil | 10 |
| 62 | FUJI EUROPE CORPORATION GMBH, KELSTERBACH, GERMANIA - SUCURSALA TIMISOARA | Municipiul Timişoara | Timiş | 3.7 mil | 10 |
| 63 | ATELIER 3 AU DESIGN SRL | Bucureşti Sectorul 2 | Bucureşti | 3.7 mil | 1 |
| 64 | CLIMA PROJECT SRL | Bucureşti Sectorul 3 | Bucureşti | 3.7 mil | 14 |
| 65 | PROIECT UNIQUE INVEST SRL | Municipiul Constanţa | Constanţa | 3.6 mil | 7 |
| 66 | PROVINCI EXXON S.R.L. | Municipiul Botoşani | Botoşani | 3.6 mil | 1 |
| 67 | GLOBAL STRUCT DESIGN SRL | Sat Afumaţi, Comuna Afumaţi | Ilfov | 3.5 mil | 2 |
| 68 | MC GENERAL CONSTRUCT ALFA SRL | Bucureşti Sectorul 2 | Bucureşti | 3.5 mil | 12 |
| 69 | ELPROCONS ELECTRIC SRL | Municipiul Târgu Jiu | Gorj | 3.5 mil | 1 |
| 70 | TOPO SERVICE SA | Municipiul Miercurea Ciuc | Harghita | 3.5 mil | 17 |
| 71 | SIS EASTERN SRL | Bucureşti Sectorul 1 | Bucureşti | 3.5 mil | 5 |
| 72 | HEALTH SAFETY ENGINEERING SERVICES SRL | Municipiul Cluj-Napoca | Cluj | 3.4 mil | 6 |
| 73 | DRUM PROIECT SRL | Bucureşti Sectorul 1 | Bucureşti | 3.3 mil | 27 |
| 74 | GREEN ENVIRONMENT SUPPORT SRL | Bucureşti Sectorul 2 | Bucureşti | 3.3 mil | 15 |
| 75 | PROMETER M & G SRL | Municipiul Timişoara | Timiş | 3.3 mil | 17 |
| 76 | LABORATOR ANALIZE GENERALE DE MEDIU MUNTENIA SRL | Sat Căteasca, Comuna Căteasca | Argeş | 3.3 mil | 7 |
| 77 | DI&A DESIGN, CONSULTING SRL | Oraş Voluntari | Ilfov | 3.2 mil | 6 |
| 78 | SILURUS SRL | Municipiul Arad | Arad | 3.2 mil | 20 |
| 79 | LEGION FORCE SECURITY S.R.L. | Sat Şelimbăr, Comuna Şelimbăr | Sibiu | 3.2 mil | 36 |
| 80 | REINVENT S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 3.1 mil | 0 |
| 81 | TECH RICHTUNG S.R.L. | Municipiul Timişoara | Timiş | 3.1 mil | 1 |
| 82 | RO RACKENGINEERS SERVICES S.R.L. | Bucureşti Sectorul 5 | Bucureşti | 3.1 mil | 9 |
| 83 | BLD ING SRL | Municipiul Oradea | Bihor | 3.1 mil | 6 |
| 84 | ELEIDE ROBOTICA S.R.L. | Municipiul Curtea de Argeş | Argeş | 3.1 mil | 2 |
| 85 | CONCEPT INFRASTRUCTURE S.R.L. | Bucureşti Sectorul 5 | Bucureşti | 3.1 mil | 1 |
| 86 | GTE SMART SYSTEMS SRL | Bucureşti Sectorul 1 | Bucureşti | 3.0 mil | 2 |
| 87 | EUROBRIDGE SRL | Bucureşti Sectorul 6 | Bucureşti | 3.0 mil | 0 |
| 88 | INGINERIE DRUMURI SI PODURI S.R.L. | Sat Şona, Comuna Şona | Alba | 3.0 mil | 3 |
| 89 | TOPOCAMP RO SRL | Municipiul Sibiu | Sibiu | 2.9 mil | 7 |
| 90 | ADR INSPECT SRL | Bucureşti Sectorul 1 | Bucureşti | 2.9 mil | 5 |
| 91 | CONŢIU STRUCT SRL | Sat Hărman, Comuna Hărman | Braşov | 2.9 mil | 3 |
| 92 | POD-PROIECT SRL | Municipiul Iaşi | Iaşi | 2.8 mil | 9 |
| 93 | LIVEHOUSE AGENCY SRL | Bucureşti Sectorul 3 | Bucureşti | 2.8 mil | 1 |
| 94 | MC GENERAL CONSTRUCT BETA SRL | Bucureşti Sectorul 2 | Bucureşti | 2.8 mil | 12 |
| 95 | SOCIETATEA DE INSPECTIE TEHNICA UTIL - ECHIP INSPECT SRL | Sat Fundeni, Comuna Dobroeşti | Ilfov | 2.8 mil | 9 |
| 96 | PROJECT 5 CONSULTING ENGINEERS SRL | Bucureşti Sectorul 2 | Bucureşti | 2.8 mil | 1 |
| 97 | EVALCAD GRUP PROIECT SRL | Municipiul Bacău | Bacău | 2.8 mil | 1 |
| 98 | ELMEC ENGINEERING S.R.L. | Oraş Voluntari | Ilfov | 2.8 mil | 1 |
| 99 | TOPO PROF AV S.R.L. | Loc. Petreşti, Municipiul Sebeş | Alba | 2.7 mil | 14 |
| 100 | INFRA CAD SURVEYING S.R.L. | Municipiul Cluj-Napoca | Cluj | 2.7 mil | 6 |
