| 1 | WEBUILD Spa MILANO SUCURSALA ROMANIA BUCURESTI | Bucureşti Sectorul 2 | Bucureşti | 2.2 bn | 2,179 |
| 2 | Porr Construct SRL | Bucureşti Sectorul 2 | Bucureşti | 2.0 bn | 1,434 |
| 3 | STRABAG SRL | Bucureşti Sectorul 5 | Bucureşti | 1.8 bn | 1,425 |
| 4 | MAKYOL INŞAAT SANAYI TURIZM VE TICARET ANONIM ŞIRKETI ISTANBUL - SUCURSALA BUCUREŞTI | Bucureşti Sectorul 1 | Bucureşti | 1.7 bn | 772 |
| 5 | BOG 'ART SRL | Bucureşti Sectorul 1 | Bucureşti | 1.1 bn | 441 |
| 6 | AKTOR SOCIETATE TEHNICA ANONIMA (AKTOR SA) - GRECIA - SUCURSALA BUCURESTI, ROMANIA | Bucureşti Sectorul 2 | Bucureşti | 752.0 m | 518 |
| 7 | CON-A OPERATIONS S.R.L. | Sat Şelimbăr, Comuna Şelimbăr | Sibiu | 701.0 m | 480 |
| 8 | FRASINUL SRL | Sat Anies, Comuna Maieru | Bistriţa-Năsăud | 695.5 m | 287 |
| 9 | DESA ENGINEERING CONSTRUCTION | Bucureşti Sectorul 2 | Bucureşti | 663.7 m | 519 |
| 10 | TERRA GAZ CONSTRUCT SRL | Bucureşti Sectorul 1 | Bucureşti | 615.5 m | 477 |
| 11 | PROJECT1 GENERAL CONTRACTING S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 582.5 m | 45 |
| 12 | AVAX SA ATENA GRECIA SUCURSALA ROMANIA | Bucureşti Sectorul 6 | Bucureşti | 509.0 m | 284 |
| 13 | SAGEX CONSTRUCT SRL | Bucureşti Sectorul 3 | Bucureşti | 497.7 m | 148 |
| 14 | CONEST SA | Municipiul Iaşi | Iaşi | 424.0 m | 661 |
| 15 | AVRIL SRL | Loc. Negreşti-Oaş, Oraş Negreşti-Oaş | Satu Mare | 421.9 m | 207 |
| 16 | WEST BETON CONSTRUCT S.R.L. | Loc. Pantelimon, Oraş Pantelimon | Ilfov | 351.7 m | 720 |
| 17 | WINCON SRL | Municipiul Cluj-Napoca | Cluj | 342.0 m | 353 |
| 18 | M.I.S-GRUP SRL | Sat Anies, Comuna Maieru | Bistriţa-Năsăud | 340.8 m | 187 |
| 19 | DAROCONSTRUCT SRL | Municipiul Iaşi | Iaşi | 324.5 m | 355 |
| 20 | CONFRASILVAS S.R.L. | Sat Bolintin-Deal, Comuna Bolintin-Deal | Giurgiu | 322.3 m | 46 |
| 21 | KESZ CONSTRUCTII ROMANIA SRL | Municipiul Cluj-Napoca | Cluj | 315.7 m | 134 |
| 22 | ADURO IMPEX SRL | Sat Barboi, Comuna Greceşti | Dolj | 302.5 m | 121 |
| 23 | CONCIVIA SA | Municipiul Brăila | Brăila | 297.0 m | 318 |
| 24 | BUILD CORP SRL | Municipiul Iaşi | Iaşi | 288.4 m | 131 |
| 25 | MITHRAS BUILD SRL | Sat Cordun, Comuna Cordun | Neamţ | 267.0 m | 366 |
| 26 | FAR FOUNDATION SRL | Sat Rodna, Comuna Rodna | Bistriţa-Năsăud | 251.8 m | 228 |
| 27 | WAGRAMER TERMO 2000 SRL | Municipiul Slatina | Olt | 244.7 m | 108 |
| 28 | TROIA PREMIUM CONSTRUCT SRL | Bucureşti Sectorul 6 | Bucureşti | 244.3 m | 468 |
| 29 | CCN ALTYAPI YATIRIMLARI VE INȘAAT ANONIM ȘIRKETI ANKARA SUCURSALA BUCURESTI | Bucureşti Sectorul 1 | Bucureşti | 239.2 m | — |
| 30 | STRABAG CONSTRUCT S.R.L. | Bucureşti Sectorul 5 | Bucureşti | 239.2 m | 159 |
| 31 | AEDIFICIUM PROJEKTENTWICKLUNG SRL | Municipiul Cluj-Napoca | Cluj | 238.5 m | 119 |
| 32 | CORAL SRL | Municipiul Tulcea | Tulcea | 234.0 m | 200 |
| 33 | CONIM PARTNERS SRL | Municipiul Curtea de Argeş | Argeş | 222.9 m | 141 |
| 34 | NICOSORIAN TOTAL INS S.R.L. | Sat Grojdibodu, Comuna Grojdibodu | Olt | 222.7 m | 63 |
| 35 | SSAB-AG S.A. | Municipiul Bacău | Bacău | 221.4 m | 186 |
| 36 | SELINA SRL | Municipiul Oradea | Bihor | 213.7 m | 237 |
| 37 | CARMIN POPSTAR PROD SRL | Sat Bircii, Oraş Scorniceşti | Olt | 212.8 m | 126 |
| 38 | TEHNODOMUS S.R.L. | Municipiul Arad | Arad | 212.3 m | 156 |
| 39 | LAURENTIU H SRL | Loc. Negreşti-Oaş, Oraş Negreşti-Oaş | Satu Mare | 206.9 m | 189 |
| 40 | HEXAGON STRUCTURES SRL | Municipiul Cluj-Napoca | Cluj | 204.9 m | 57 |
| 41 | UBITECH CONSTRUCŢII S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 202.5 m | 102 |
| 42 | SWIETELSKY CONSTRUCT S.R.L. | Oraş Voluntari | Ilfov | 201.0 m | 150 |
| 43 | TARR CONST SRL | Oraş Livada | Satu Mare | 200.2 m | 216 |
| 44 | PRIME KAPITAL DEVELOPMENT SRL | Bucureşti Sectorul 2 | Bucureşti | 198.4 m | 82 |
| 45 | ERBASU TRANSILVANIA S.A. | Bucureşti Sectorul 1 | Bucureşti | 194.2 m | 16 |
| 46 | CONEXTRUST SA | Sat Blăgeşti, Comuna Blăgeşti | Bacău | 190.6 m | 703 |
| 47 | VISIO CONSTRUCTION WORKS SRL | Bucureşti Sectorul 1 | Bucureşti | 186.6 m | 131 |
| 48 | SOMET SA | Bucureşti Sectorul 3 | Bucureşti | 181.4 m | 113 |
| 49 | KATAR CONNEG S.R.L. | Loc. Negreşti, Oraş Negreşti | Vaslui | 181.3 m | 232 |
| 50 | ROMCO SYSTEM SRL | Bucureşti Sectorul 3 | Bucureşti | 180.0 m | 150 |
| 51 | RC BETON BAU S.R.L. | Municipiul Iaşi | Iaşi | 177.7 m | 142 |
| 52 | SYNERGY CONSTRUCT SRL | Bucureşti Sectorul 2 | Bucureşti | 174.3 m | 130 |
| 53 | PALEX CONSTRUCTII INSTALATII SRL | Bucureşti Sectorul 4 | Bucureşti | 173.5 m | 84 |
| 54 | FAPACO SRL | Sat Homorâciu, Comuna Izvoarele | Prahova | 172.1 m | 454 |
| 55 | AWE INFRA SRL | Municipiul Turda | Cluj | 171.2 m | 301 |
| 56 | CASREP SRL | Sat Brătuleni, Comuna Miroslava | Iaşi | 164.5 m | 272 |
| 57 | CONCAS SA | Municipiul Buzău | Buzău | 163.6 m | 194 |
| 58 | DEROM TOTAL SRL | Sat Berceni, Comuna Berceni | Prahova | 160.9 m | 35 |
| 59 | CONSTRUCT I.N.G. SRL | Loc. Negreşti-Oaş, Oraş Negreşti-Oaş | Satu Mare | 155.6 m | 70 |
| 60 | BTDCONSTRUCT & AMBIENT SRL | Bucureşti Sectorul 1 | Bucureşti | 150.9 m | 145 |
| 61 | EREN CONS SRL | Municipiul Braşov | Braşov | 150.1 m | 107 |
| 62 | ACI CLUJ SA | Municipiul Cluj-Napoca | Cluj | 145.6 m | 240 |
| 63 | NOROC COM SRL | Municipiul Cluj-Napoca | Cluj | 145.2 m | 17 |
| 64 | INNO AG S.R.L. | Sat Bilciureşti, Comuna Bilciureşti | Dâmboviţa | 144.8 m | 142 |
| 65 | BAUPARTNER CONSTRUCT SRL | Sat Ariceştii Rahtivani, Comuna Ariceştii Rahtivani | Prahova | 144.2 m | 92 |
| 66 | EUROCERAD INTERNATIONAL SRL | Bucureşti Sectorul 1 | Bucureşti | 144.2 m | 44 |
| 67 | GENERAL CONSTRUCT SRL | Municipiul Suceava | Suceava | 143.8 m | 262 |
| 68 | ENERGO AG S.R.L. | Sat Bascov, Comuna Bascov | Argeş | 143.5 m | 167 |
| 69 | HYATT DEVELOPMENT 2011 SRL | Municipiul Piteşti | Argeş | 142.3 m | 45 |
| 70 | CONLAN SRL | Municipiul Sibiu | Sibiu | 141.1 m | 97 |
| 71 | GLOBAL INDUSTRIAL SRL | Municipiul Oradea | Bihor | 140.6 m | 89 |
| 72 | PANADRIA SRL | Sat Găneasa, Comuna Găneasa | Olt | 140.0 m | 346 |
| 73 | B_MASIV SRL | Sat Pericei, Comuna Pericei | Sălaj | 135.9 m | 111 |
| 74 | DAMINA SOLUTIONS SRL | Bucureşti Sectorul 2 | Bucureşti | 135.1 m | 43 |
| 75 | VIADUCT SRL | Municipiul Odorheiu Secuiesc | Harghita | 135.0 m | 141 |
| 76 | TOTAL NSA AG CONSTRUCT SRL | Municipiul Sibiu | Sibiu | 132.5 m | 149 |
| 77 | CONSTRUCTIM SA | Municipiul Timişoara | Timiş | 132.4 m | 83 |
| 78 | LIFE STYLE DESIGN (LSD) GENERAL CONTRACTOR S.R.L. | Oraş Voluntari | Ilfov | 131.7 m | 51 |
| 79 | VIALIS ENGINEERING S.A. | Municipiul Ploieşti | Prahova | 130.1 m | 85 |
| 80 | COLEN IMPEX SRL | Municipiul Ploieşti | Prahova | 129.3 m | 33 |
| 81 | PRODEXIMP SRL | Municipiul Satu Mare | Satu Mare | 125.7 m | 108 |
| 82 | ELENOR SRL | Sat Tuluceşti, Comuna Tuluceşti | Galaţi | 125.5 m | 106 |
| 83 | BAHM CONSTRUCȚII CIVILE ȘI INDUSTRIALE S.R.L. | Municipiul Botoşani | Botoşani | 125.3 m | 52 |
| 84 | BAYER STRADA S.R.L. | Municipiul Cluj-Napoca | Cluj | 124.9 m | 115 |
| 85 | NICONS SRL | Sat Şipotu, Comuna Lipăneşti | Prahova | 124.9 m | 88 |
| 86 | ASTORIUM CONSTRUCT INVESTMENT S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 122.4 m | 25 |
| 87 | STUDIUM GREEN SRL | Municipiul Cluj-Napoca | Cluj | 116.3 m | 32 |
| 88 | INDEMINAREA PRODCOM SRL | Comuna Livezile | Bistriţa-Năsăud | 115.6 m | 189 |
| 89 | NOMIS 2003 SRL | Municipiul Galaţi | Galaţi | 115.6 m | 277 |
| 90 | EDILDANCONSTRUCT SRL | Municipiul Tecuci | Galaţi | 115.5 m | 49 |
| 91 | EDIL - BAUSTEEL SRL | Loc. Sălistea de Sus, Oraş Sălistea de Sus | Maramureş | 112.9 m | 46 |
| 92 | CRISTIŢĂ SRL | Sat Dracea, Comuna Dracea | Teleorman | 112.0 m | 166 |
| 93 | TESARO KIT CONSTRUCT SRL | Bucureşti Sectorul 2 | Bucureşti | 111.7 m | 261 |
| 94 | ACOMIN S.A. | Municipiul Deva | Hunedoara | 110.6 m | 134 |
| 95 | ICCO FACILITY MANAGEMENT SRL | Municipiul Braşov | Braşov | 110.4 m | 113 |
| 96 | CHROM CONSTRUCŢII CIVILE ŞI EDILITARE SRL | Bucureşti Sectorul 4 | Bucureşti | 108.1 m | 47 |
| 97 | CH TRANSBETON CONSTRUCTII SRL | Municipiul Cluj-Napoca | Cluj | 107.1 m | 111 |
| 98 | DEMO-IDIL CONSTRUCT SRL | Municipiul Iaşi | Iaşi | 106.9 m | 176 |
| 99 | BAICULESCU CONSTRUCT S.R.L. | Bucureşti Sectorul 2 | Bucureşti | 106.8 m | 42 |
| 100 | MAURER IMOBILIARE MUREȘ S.R.L. | Municipiul Târgu Mureş | Mureş | 106.6 m | 19 |