| 1 | SNC LAVALIN ROMANIA SA | Bucureşti Sectorul 2 | Bucureşti | 359 |
| 2 | ASCO CONSTRUCTII SRL | Bucureşti Sectorul 2 | Bucureşti | 103 |
| 3 | K-BOX CONSTRUCTION DESIGN SRL | Bucureşti Sectorul 1 | Bucureşti | 63 |
| 4 | ART GROUP INT SRL | Bucureşti Sectorul 1 | Bucureşti | 59 |
| 5 | VEGO ARCHITECTURE & ENGINEERING S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 51 |
| 6 | QUADRATUM ARCHITECTURE SRL | Bucureşti Sectorul 6 | Bucureşti | 49 |
| 7 | ELECTROPROIECT SA | Bucureşti Sectorul 4 | Bucureşti | 47 |
| 8 | ARHIMAR SERV SRL | Municipiul Baia Mare | Maramureş | 46 |
| 9 | IULIUS REAL ESTATE SRL | Municipiul Iaşi | Iaşi | 45 |
| 10 | CUMULUS ARCHITECTURE SRL | Bucureşti Sectorul 1 | Bucureşti | 41 |
| 11 | BL STUDIO ASSOCIATES SRL | Bucureşti Sectorul 1 | Bucureşti | 40 |
| 12 | RHEINBRUCKE SRL | Municipiul Timişoara | Timiş | 39 |
| 13 | ATELIER DECUMANUS S.R.L. | Municipiul Timişoara | Timiş | 39 |
| 14 | CONDESIGN SRL | Sat Şelimbăr, Comuna Şelimbăr | Sibiu | 39 |
| 15 | DICO SI TIGANAS BIROU DE PROIECTARE SRL | Municipiul Cluj-Napoca | Cluj | 38 |
| 16 | GREEN TEAM INSTAL SRL | Bucureşti Sectorul 5 | Bucureşti | 35 |
| 17 | ADN BIROU DE ARHITECTURA SRL | Bucureşti Sectorul 2 | Bucureşti | 33 |
| 18 | GEVIS PROTEAM SRL | Municipiul Deva | Hunedoara | 32 |
| 19 | URBAN SCOPE SRL | Bucureşti Sectorul 1 | Bucureşti | 31 |
| 20 | MEDRANO SRL | Sat Ghindăreşti, Comuna Ghindăreşti | Constanţa | 30 |
| 21 | INNOVA INTEGRATION S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 30 |
| 22 | BIROU DE ARHITECTURA RACOVIŢAN S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 28 |
| 23 | K&K STUDIO DE PROIECTARE S.R.L. | Municipiul Cluj-Napoca | Cluj | 28 |
| 24 | ATELIER 13 BIS SRL | Bucureşti Sectorul 2 | Bucureşti | 28 |
| 25 | PROFESSIONAL TECH CONSTRUCT DESIGN S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 27 |
| 26 | CENTRUL DE INOVARE ŞI PROIECTARE URBANĂ SECTOR 6 S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 26 |
| 27 | MULTINVEST SRL | Municipiul Târgu Mureş | Mureş | 25 |
| 28 | DTS UNIC PROIECT SRL | Municipiul Alba Iulia | Alba | 25 |
| 29 | MULTINVEST PROIECTARE S.R.L. | Municipiul Târgu Mureş | Mureş | 24 |
| 30 | ARCADIA AEN ARCHITECTURE & PM SRL | Bucureşti Sectorul 1 | Bucureşti | 24 |
| 31 | LINIA ARCHITECTURE PROJECTS S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 24 |
| 32 | X ARCHITECTURE & ENGINEERING CONSULT SRL | Bucureşti Sectorul 1 | Bucureşti | 23 |
| 33 | THERME ARC S.R.L. | Loc. Cisnădie, Oraş Cisnădie | Sibiu | 21 |
| 34 | SELFCONSULTING SRL | Bucureşti Sectorul 1 | Bucureşti | 20 |
| 35 | MODVEST CONSTRUCT 2000 SRL | Municipiul Piteşti | Argeş | 20 |
| 36 | TESSERACT ARCHITECTURE S.R.L. | Municipiul Sibiu | Sibiu | 20 |
| 37 | HB-DESIGN-TEAM ARHITECTURA, CONSTRUCTII, MOBILIER SRL | Bucureşti Sectorul 1 | Bucureşti | 20 |
| 38 | PINTILIE PARTNERS ARCHITECTURE ENGINEERING S.R.L. | Bucureşti Sectorul 2 | Bucureşti | 19 |
| 39 | VEGO CONCEPT ENGINEERING S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 19 |
| 40 | ARCHITECT-SERVICE SRL | Bucureşti Sectorul 1 | Bucureşti | 18 |
| 41 | AEDILIS PROIECT SRL | Municipiul Baia Mare | Maramureş | 18 |
| 42 | D&D EUROCOM SRL | Bucureşti Sectorul 2 | Bucureşti | 17 |
| 43 | GRN STUDIO DESIGN SRL | Bucureşti Sectorul 6 | Bucureşti | 17 |
| 44 | CIC HOME DESIGN S.R.L. | Bucureşti Sectorul 4 | Bucureşti | 17 |
| 45 | GDP CONSTRUCT SRL | Sat Sântandrei, Comuna Sântandrei | Bihor | 17 |
| 46 | POPAESCU & CO SRL | Bucureşti Sectorul 2 | Bucureşti | 16 |
| 47 | PRO ARHITECTURA SRL | Municipiul Arad | Arad | 16 |
| 48 | CP BAMPROIECT S.R.L. | Municipiul Craiova | Dolj | 16 |
| 49 | OPTIMAL PROJECT SRL | Municipiul Iaşi | Iaşi | 16 |
| 50 | DRX CAD PROIECT SRL | Sat Vonigeasa, Comuna Cuca | Argeş | 16 |
| 51 | AGORAPOLIS SRL | Municipiul Constanţa | Constanţa | 16 |
| 52 | RADIAL PROD COM DESIGN SRL | Bucureşti Sectorul 1 | Bucureşti | 15 |
| 53 | GETRIX SA | Municipiul Craiova | Dolj | 15 |
| 54 | EX STUDIO SRL | Municipiul Timişoara | Timiş | 15 |
| 55 | KUBO INVESTMENTS SRL | Municipiul Baia Mare | Maramureş | 15 |
| 56 | EAST WATER DRILLINGS SRL | Bucureşti Sectorul 2 | Bucureşti | 15 |
| 57 | URBANO ARHITECT SRL | Municipiul Iaşi | Iaşi | 15 |
| 58 | ATELIER VISION SRL | Municipiul Cluj-Napoca | Cluj | 15 |
| 59 | VITALIS CONSULTING SRL | Bucureşti Sectorul 1 | Bucureşti | 14 |
| 60 | UNITH2B SRL | Bucureşti Sectorul 2 | Bucureşti | 14 |
| 61 | SIMSTA S.R.L. | Sat Sântandrei, Comuna Sântandrei | Bihor | 14 |
| 62 | 62D ENGINEERING & DESIGN SOLUTIONS S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 14 |
| 63 | TEHNOPROIECT COMTRANS SRL | Bucureşti Sectorul 2 | Bucureşti | 13 |
| 64 | POLARH DESIGN SRL | Bucureşti Sectorul 2 | Bucureşti | 13 |
| 65 | ARHITECTURAL SRL | Bucureşti Sectorul 2 | Bucureşti | 13 |
| 66 | POLIART SRL | Municipiul Oradea | Bihor | 13 |
| 67 | MOLDPROIECT-ASD SRL | Municipiul Suceava | Suceava | 13 |
| 68 | CREDO DESIGN SRL | Bucureşti Sectorul 6 | Bucureşti | 13 |
| 69 | HAUSPLAN STUDIO SRL | Municipiul Ploieşti | Prahova | 13 |
| 70 | SILVORA TERA SRL | Sat Merişani, Comuna Merişani | Argeş | 13 |
| 71 | PALTINUL INTERAX PROIECT SRL | Municipiul Botoşani | Botoşani | 13 |
| 72 | SS ARCHITECTURE AND TEXTURE SRL | Bucureşti Sectorul 2 | Bucureşti | 13 |
| 73 | COMPANIA DE INVESTITII SI DEZVOLTARE SECTOR 1 S.A. | Bucureşti Sectorul 1 | Bucureşti | 13 |
| 74 | BRICK VISUAL S.R.L. | Municipiul Cluj-Napoca | Cluj | 13 |
| 75 | INFINITY DESIGN OFFICE S.R.L. | Oraş Chitila | Ilfov | 13 |
| 76 | ATELIER 3 SRL | Bucureşti Sectorul 1 | Bucureşti | 12 |
| 77 | MIHUL SRL | Municipiul Iaşi | Iaşi | 12 |
| 78 | ABRAL ART PRODUCT SRL | Bucureşti Sectorul 3 | Bucureşti | 12 |
| 79 | DRUMEX SRL | Municipiul Cluj-Napoca | Cluj | 12 |
| 80 | MED LINE GROUP SRL | Municipiul Iaşi | Iaşi | 12 |
| 81 | SAM IDEAS SRL | Sat Valea Lupului, Comuna Valea Lupului | Iaşi | 12 |
| 82 | ARHI BOX SRL | Municipiul Cluj-Napoca | Cluj | 12 |
| 83 | JMG INSTAL GAZ CONFORT SRL | Municipiul Curtea de Argeş | Argeş | 12 |
| 84 | SC BEMEL AG SRL | Municipiul Constanţa | Constanţa | 12 |
| 85 | SCRIPCARIU BIROU DE ARHITECTURA SRL | Municipiul Cluj-Napoca | Cluj | 12 |
| 86 | ZAB TEN CONSULTING SRL | Sat Puchenii Moşneni, Comuna Puchenii Mari | Prahova | 12 |
| 87 | ANARECOM REGIOSERV S.R.L. | Municipiul Galaţi | Galaţi | 12 |
| 88 | GOLDBACH DESIGN&BUILD S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 12 |
| 89 | UNBUILT S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 12 |
| 90 | WESTFOURTH ARCHITECTURE SRL | Bucureşti Sectorul 1 | Bucureşti | 11 |
| 91 | RD SIGN SRL | Municipiul Timişoara | Timiş | 11 |
| 92 | STUDIO ARCA SRL | Municipiul Timişoara | Timiş | 11 |
| 93 | SCUAR SRL | Municipiul Târgu Jiu | Gorj | 11 |
| 94 | ARCHDESIGN SRL | Municipiul Cluj-Napoca | Cluj | 11 |
| 95 | ADI PROIECT SRL | Municipiul Târgu Mureş | Mureş | 11 |
| 96 | ARCHISTUDIO SRL | Municipiul Petroşani | Hunedoara | 11 |
| 97 | DELTA STUDIO ARCHITECTURE S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 11 |
| 98 | A26 STUDIO ARCHITECTURE DEVELOPMENT S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 11 |
| 99 | CEC SOLUTIONS SRL | Bucureşti Sectorul 2 | Bucureşti | 11 |
| 100 | REALITIS S.R.L. | Municipiul Iaşi | Iaşi | 11 |
