| 1 | ARCADA COMPANY SA | Municipiul Galaţi | Galaţi | 1.7 bn | 976 |
| 2 | RETTER PROJECTMANAGEMENT SRL | Sat Şelimbăr, Comuna Şelimbăr | Sibiu | 469.8 m | 90 |
| 3 | CONSTRUCTII FEROVIARE DRUMURI PODURI SRL | Municipiul Buzău | Buzău | 110.7 m | 72 |
| 4 | MS INTERPROIECT ENGINEERING SRL | Bucureşti Sectorul 3 | Bucureşti | 63.4 m | 47 |
| 5 | CARDINAL D.P. CONSTRUCT S.R.L. | Municipiul Timişoara | Timiş | 18.1 m | 39 |
| 6 | CONFER GROUP SRL | Municipiul Oneşti | Bacău | 13.4 m | 109 |
| 7 | GOLMAK INŞAAT S.R.L. | Loc. Şimleu Silvaniei, Oraş Şimleu Silvaniei | Sălaj | 9.6 m | 16 |
| 8 | PROGRESIV DESIGN & BUILD SRL | Sat Hudriceşti, Comuna Bistra | Alba | 8.5 m | 13 |
| 9 | PRODUCTIE PRESTARI TELEGA 4 SRL | Sat Telega, Comuna Telega | Prahova | 6.5 m | — |
| 10 | BOGDAN ŞI FIII FOREST SRL | Loc. Oţelu Roşu, Oraş Oţelu Roşu | Caraş-Severin | 4.6 m | 13 |
| 11 | LENYD CONSTRUCT S.R.L. | Comuna Ştefăneştii de Jos | Ilfov | 4.3 m | 1 |
| 12 | STRADAFAM CDM S.R.L. | Sat Bascov, Comuna Bascov | Argeş | 3.9 m | 15 |
| 13 | FILSERV CONSINVEST SRL | Sat Filipeştii de Târg, Comuna Filipeştii de Târg | Prahova | 2.9 m | 12 |
| 14 | EDL TRANSILVANIA HOLDING S.R.L. | Loc. Negreşti-Oaş, Oraş Negreşti-Oaş | Satu Mare | 2.8 m | 6 |
| 15 | APOLODOR 2003 SRL | Municipiul Iaşi | Iaşi | 2.7 m | 20 |
| 16 | FAVIROM BUSINESS SRL | Sat Snagov, Comuna Snagov | Ilfov | 2.2 m | 7 |
| 17 | INANOVA ROMANIA S.R.L. | Municipiul Cluj-Napoca | Cluj | 1.9 m | 17 |
| 18 | ROMCONSTRUCT AMH S.R.L. | Loc. Negreşti-Oaş, Oraş Negreşti-Oaş | Satu Mare | 1.9 m | 7 |
| 19 | MAHON CONSTRUCT SRL | Municipiul Timişoara | Timiş | 1.5 m | 3 |
| 20 | INFRAX SRL | Sat Rebra, Comuna Rebra | Bistriţa-Năsăud | 1.4 m | 2 |
| 21 | FULGA DRUM CO S.R.L. | Loc. Negreşti-Oaş, Oraş Negreşti-Oaş | Satu Mare | 1.3 m | 10 |
| 22 | PAROCAD S.R.L. | Loc. Negreşti-Oaş, Oraş Negreşti-Oaş | Satu Mare | 1.3 m | 8 |
| 23 | PROFIT CONSTRUCT ANTEREU SRL | Sat Corod, Comuna Corod | Galaţi | 1.3 m | 6 |
| 24 | ROHID CONSTRUCT PRESTCOM SRL | Sat Sîngeorgiu de Mureş, Comuna Sîngeorgiu de Mureş | Mureş | 1.2 m | 9 |
| 25 | ROMNOVA GROUP SRL | Municipiul Piteşti | Argeş | 1.2 m | 5 |
| 26 | ELPA PHOENIX S.R.L. | Loc. Negreşti-Oaş, Oraş Negreşti-Oaş | Satu Mare | 747 k | 1 |
| 27 | CRISMIS IMPEX SRL | Municipiul Bacău | Bacău | 500 k | 7 |
| 28 | ABN MACHINE REPAIRS S.R.L. | Municipiul Timişoara | Timiş | 439 k | 7 |
| 29 | ALCONSTRUCT GRM SRL | Sat Ghighişeni, Comuna Rieni | Bihor | 395 k | 1 |
| 30 | SINAPSA SRL | Municipiul Timişoara | Timiş | 377 k | 5 |
| 31 | KETTENBAU S.R.L. | Sat Sâncrăieni, Comuna Sâncrăieni | Harghita | 337 k | 2 |
| 32 | MARA SI MAREA S.R.L. | Bucureşti Sectorul 6 | Bucureşti | 278 k | 1 |
| 33 | TUNELE CONSTRUCT CĂI FERATE S.A. | Municipiul Braşov | Braşov | 218 k | 2 |
| 34 | AR ESTRUCTURAS SRL | Municipiul Timişoara | Timiş | 171 k | 1 |
| 35 | DARIAN SI LARISA SRL | Sat Mociu, Comuna Mociu | Cluj | 171 k | 1 |
| 36 | NICOM CONSTRUCT SRL | Municipiul Cluj-Napoca | Cluj | 150 k | 0 |
| 37 | V.M.S. STRENGHT STRUCTURE S.R.L. | Municipiul Petroşani | Hunedoara | 147 k | 2 |
| 38 | ISTANBUL TEKNIK ROMANIA S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 100 k | 1 |
| 39 | TUNELE MARC PRESTCONSTRUCT S.R.L. | Loc. Negreşti-Oaş, Oraş Negreşti-Oaş | Satu Mare | 77 k | 1 |
| 40 | POD CONSTRUCT SRL | Municipiul Timişoara | Timiş | 76 k | 7 |
| 41 | PASSAGE CONSTRUCT S.R.L. | Sat Bârnova, Comuna Bârnova | Iaşi | 59 k | 1 |
| 42 | FULGA SRL | Loc. Negreşti-Oaş, Oraş Negreşti-Oaş | Satu Mare | 25 k | 0 |
| 43 | ADP EQUIPMENT S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 22 k | — |
| 44 | FOREST COM SRL | Sat Certeze, Comuna Certeze | Satu Mare | 0 | — |
| 45 | TUNELE SA | Municipiul Braşov | Braşov | 0 | 1 |
| 46 | PREM CONSTRUCT SRL | Municipiul Bacău | Bacău | 0 | — |
| 47 | BILFINGER BERGER BAUGESELLSCHAFT M.B.H. WIEN - SUCURSALA VOLUNTARI | Bucureşti Sectorul 1 | Bucureşti | 0 | — |
| 48 | BIG PARTNER CONSTRUCT SRL | Sat Boiu, Comuna Ciumeghiu | Bihor | 0 | 0 |
| 49 | SPIELER SRL | Bucureşti Sectorul 2 | Bucureşti | 0 | 0 |
| 50 | MB STEEL CONSTRUCTIONS S.R.L. | Sat Gersa I, Comuna Rebrisoara | Bistriţa-Năsăud | 0 | — |