| 1 | VEOLIA ENERGIE PRAHOVA SRL | Municipiul Ploieşti | Prahova | 125.5 mil | 2 |
| 2 | URBIOLED SRL | Oraş Bragadiru | Ilfov | 92.2 mil | 110 |
| 3 | PYRONOVA IS SRL | Sat Şag, Comuna Şag | Timiş | 45.9 mil | 210 |
| 4 | BLACK SEA SUPPLIERS SRL | Municipiul Constanţa | Constanţa | 28.7 mil | 658 |
| 5 | XAVITEL SRL | Municipiul Râmnicu Vâlcea | Vâlcea | 13.5 mil | 296 |
| 6 | HIGH-TECH CLIMA SRL | Bucureşti Sectorul 3 | Bucureşti | 11.4 mil | 233 |
| 7 | TRUST EURO THERM SRL | Sat Gîrcina, Comuna Gîrcina | Neamţ | 8.0 mil | 37 |
| 8 | SILDOR PROD SRL | Municipiul Arad | Arad | 6.8 mil | 27 |
| 9 | AMBIENT PRO CONCEPT S.R.L. | Municipiul Sibiu | Sibiu | 6.5 mil | 296 |
| 10 | INSTALDI SRL | Municipiul Târgu Mureş | Mureş | 5.8 mil | 16 |
| 11 | CLIMA STUDIO SRL | Sat Dragomireşti-Deal, Comuna Dragomireşti-Vale | Ilfov | 5.7 mil | 15 |
| 12 | FERTIL STAR S.R.L. | Sat Hlincea, Comuna Ciurea | Iaşi | 5.6 mil | 10 |
| 13 | INSTAL CARPATICA SRL | Municipiul Braşov | Braşov | 5.3 mil | 22 |
| 14 | CSV MEDA SRL | Municipiul Târgovişte | Dâmboviţa | 4.9 mil | 18 |
| 15 | MAGBIS SYSTEM SRL | Bucureşti Sectorul 5 | Bucureşti | 4.6 mil | 1 |
| 16 | HTI INTERNATIONAL ROMANIA SRL | Municipiul Braşov | Braşov | 4.4 mil | 29 |
| 17 | MULTIGALAXY SRL | Bucureşti Sectorul 2 | Bucureşti | 4.0 mil | 25 |
| 18 | R.N.B. INSTAL-CONSTRUCT SRL | Oraş Popeşti Leordeni | Ilfov | 3.9 mil | 44 |
| 19 | ONE CONCEPT DISTRIBUTION S.R.L. | Oraş Chitila | Ilfov | 3.8 mil | 17 |
| 20 | PALIMOB INVEST SRL | Municipiul Sibiu | Sibiu | 3.7 mil | 2 |
| 21 | NEO GAS INSTAL S.R.L. | Sat Coada Izvorului, Comuna Măneşti | Prahova | 3.6 mil | 19 |
| 22 | MSD INSTALCONSTRUCT S.R.L. | Sat Sîngeorgiu de Mureş, Comuna Sîngeorgiu de Mureş | Mureş | 3.5 mil | 20 |
| 23 | CAPITAL SRL | Municipiul Craiova | Dolj | 3.0 mil | 28 |
| 24 | MONTAVENT SERV S.R.L. | Sat Râşca, Comuna Râsca | Cluj | 3.0 mil | — |
| 25 | CST AER INSTALATII S.R.L. | Sat Oşorhei, Comuna Oşorhei | Bihor | 2.8 mil | 1 |
| 26 | INSTAL-DAC SRL | Municipiul Braşov | Braşov | 2.7 mil | 29 |
| 27 | TECHNOVA INVEST SRL | Municipiul Oradea | Bihor | 2.6 mil | 167 |
| 28 | KERATO INSTAL SRL | Municipiul Cluj-Napoca | Cluj | 2.6 mil | 21 |
| 29 | BAUSTOFFE PLUS S.R.L. | Oraş Chitila | Ilfov | 2.5 mil | 1 |
| 30 | AVANTGARDE SRL | Municipiul Satu Mare | Satu Mare | 2.4 mil | 3 |
| 31 | ABC CONTROL SRL | Bucureşti Sectorul 3 | Bucureşti | 2.2 mil | 15 |
| 32 | GB-INSTAL HVAC SRL | Bucureşti Sectorul 2 | Bucureşti | 2.1 mil | 23 |
| 33 | ROBERT-SIM SRL | Municipiul Iaşi | Iaşi | 2.1 mil | 29 |
| 34 | DAMINO PRODCOM SRL | Oraş Bragadiru | Ilfov | 2.0 mil | 19 |
| 35 | D&M FRIG EXPERT S.R.L. | Municipiul Drăgăşani | Vâlcea | 2.0 mil | 2 |
| 36 | CLICK JOB S.R.L. | Bucureşti Sectorul 2 | Bucureşti | 1.9 mil | 9 |
| 37 | VLAD INSTAL SRL | Bucureşti Sectorul 5 | Bucureşti | 1.9 mil | 8 |
| 38 | BELLE MOON SRL | Bucureşti Sectorul 1 | Bucureşti | 1.8 mil | 17 |
| 39 | DFM THERMO CONSTRUCT CONCEPT SRL | Sat Fundeni, Comuna Dobroeşti | Ilfov | 1.7 mil | 10 |
| 40 | CORECT 2000 SRL | Bucureşti Sectorul 3 | Bucureşti | 1.7 mil | 23 |
| 41 | NEW GLOBAL STEEL S.R.L. | Municipiul Craiova | Dolj | 1.6 mil | 5 |
| 42 | MARAL SRL | Loc. Popeşti Leordeni, Oraş Popeşti Leordeni | Ilfov | 1.6 mil | 39 |
| 43 | NEDAVI COM SRL | Municipiul Oradea | Bihor | 1.6 mil | 6 |
| 44 | MATRIX ACTIVITY GRUP SRL | Sat Afumaţi, Comuna Afumaţi | Ilfov | 1.5 mil | 16 |
| 45 | MASCHINENBAU INDUSTRY SRL | Bucureşti Sectorul 2 | Bucureşti | 1.5 mil | 4 |
| 46 | PROFESIONAL AIR S.R.L. | Municipiul Râmnicu Vâlcea | Vâlcea | 1.5 mil | 1 |
| 47 | ACTIV INSTAL GROUP (A.I.G.) SRL | Bucureşti Sectorul 1 | Bucureşti | 1.5 mil | 1 |
| 48 | SOFIMAR IMOBILIARE SRL | Sat Tămăşeni, Comuna Tămăşeni | Neamţ | 1.5 mil | 74 |
| 49 | PURETECH SOLUTIONS S.R.L. | Sat Dudu, Comuna Chiajna | Ilfov | 1.5 mil | 5 |
| 50 | CONSIX CONSTRUCTII SRL | Bucureşti Sectorul 3 | Bucureşti | 1.5 mil | 5 |
| 51 | JOUST HVAC SRL | Bucureşti Sectorul 3 | Bucureşti | 1.5 mil | 4 |
| 52 | SISTEMA FLOOR HEATING SRL | Municipiul Timişoara | Timiş | 1.5 mil | 19 |
| 53 | CRISTEA SORIN AUTO S.R.L. | Sat Căpăţîneşti, Comuna Mărăcineni | Buzău | 1.5 mil | 13 |
| 54 | MAC SRL | Municipiul Slatina | Olt | 1.4 mil | 1 |
| 55 | ELECTRO CARPAT SRL | Municipiul Cluj-Napoca | Cluj | 1.4 mil | 1 |
| 56 | LAREX-IR DECOR S.R.L. | Oraş Bragadiru | Ilfov | 1.4 mil | 43 |
| 57 | THE PROVIDER FM S.R.L. | Sat Baloteşti, Comuna Baloteşti | Ilfov | 1.4 mil | 71 |
| 58 | WELD MILDIN CND SRL | Sat Bascov, Comuna Bascov | Argeş | 1.4 mil | 7 |
| 59 | CENTROTERM SRL | Loc. Petrila, Oraş Petrila | Hunedoara | 1.4 mil | 15 |
| 60 | ADIL INSTAL SRL | Sat Hăsdate, Comuna Savadisla | Cluj | 1.3 mil | 5 |
| 61 | BAHIA COM SRL | Municipiul Miercurea Ciuc | Harghita | 1.3 mil | 3 |
| 62 | APLIND SRL | Bucureşti Sectorul 1 | Bucureşti | 1.3 mil | 10 |
| 63 | LIDER SOLAR ENERGIE S.R.L. | Municipiul Râmnicu Sărat | Buzău | 1.3 mil | 9 |
| 64 | MARKUS CONTROLS S.R.L. | Bucureşti Sectorul 4 | Bucureşti | 1.3 mil | 4 |
| 65 | ARMILLARIA COM SRL | Municipiul Sighişoara | Mureş | 1.3 mil | 15 |
| 66 | ICCO SERVICES SRL | Municipiul Braşov | Braşov | 1.2 mil | 5 |
| 67 | FUTURE CONSTRUCT SRL | Sat Dumbrăviţa, Comuna Dumbrăviţa | Timiş | 1.2 mil | 3 |
| 68 | HIT REAL CONSULTING SRL | Bucureşti Sectorul 4 | Bucureşti | 1.2 mil | 6 |
| 69 | SIVE - PROPERTY MANAGEMENT SRL | Bucureşti Sectorul 6 | Bucureşti | 1.2 mil | 8 |
| 70 | S.A.B. SISTEM SRL | Bucureşti Sectorul 6 | Bucureşti | 1.2 mil | 15 |
| 71 | DAFTERM & CO S.R.L. | Municipiul Iaşi | Iaşi | 1.2 mil | 20 |
| 72 | BOYOCOM SERVICES SRL | Bucureşti Sectorul 3 | Bucureşti | 1.2 mil | 4 |
| 73 | ADEMCO SUPPLY S.R.L. | Bucureşti Sectorul 2 | Bucureşti | 1.2 mil | 77 |
| 74 | KLEMPTECHNIK S.R.L. | Municipiul Oradea | Bihor | 1.1 mil | 7 |
| 75 | PRO-INTERCONTI SRL | Municipiul Suceava | Suceava | 1.1 mil | 13 |
| 76 | LECO INSTAL SIB SRL | Sat Cristian, Comuna Cristian | Sibiu | 1.1 mil | 13 |
| 77 | HOVAL SRL | Oraş Voluntari | Ilfov | 1.1 mil | 15 |
| 78 | BOŞHY IMPEX SRL | Municipiul Târgu Jiu | Gorj | 1.1 mil | 6 |
| 79 | ADELY TRANS COMPANY SRL | Bucureşti Sectorul 3 | Bucureşti | 1.1 mil | 8 |
| 80 | MONTAGE STEFAN S.R.L. | Sat Glodenii Gândului, Comuna Ţibăneşti | Iaşi | 1.1 mil | 0 |
| 81 | HORVATH SERVICE SRL | Municipiul Sfântu Gheorghe | Covasna | 1.1 mil | 13 |
| 82 | AERCON SERVICE S.R.L. | Municipiul Satu Mare | Satu Mare | 1.1 mil | 1 |
| 83 | TERRA CLEAN SERVICE SRL | Sat Malcoci, Comuna Nufăru | Tulcea | 1.1 mil | 135 |
| 84 | DACARTO INSTAL S.R.L. | Sat Paleu, Comuna Paleu | Bihor | 1.1 mil | 5 |
| 85 | POLTHERM SYSTEM SRL | Municipiul Miercurea Ciuc | Harghita | 1.0 mil | 6 |
| 86 | TOPSTAL SRL | Municipiul Focşani | Vrancea | 1.0 mil | 8 |
| 87 | MRINSTAL S.R.L. | Sat Livada, Comuna Iclod | Cluj | 1.0 mil | 1 |
| 88 | CCT INSTAL CONSULT S.R.L. | Sat Şelimbăr, Comuna Şelimbăr | Sibiu | 1.0 mil | 19 |
| 89 | WORK SOLUTION S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 1.0 mil | 18 |
| 90 | EUROPAPIER ROMANIA SRL | Sat Dragomireşti-Deal, Comuna Dragomireşti-Vale | Ilfov | 995.0 mii | 52 |
| 91 | SUSTENABIL HOSTING S.R.L. | Sat Ploieştiori, Comuna Blejoi | Prahova | 990.1 mii | 1 |
| 92 | PETADIN SERVICE INSTALATII S.R.L. | Sat Voiniceni, Comuna Ceuaşu de Cîmpie | Mureş | 988.4 mii | 13 |
| 93 | FABREK DISTRIBUTION S.R.L. | Bucureşti Sectorul 5 | Bucureşti | 983.7 mii | 1 |
| 94 | IVE TECH S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 973.9 mii | 1 |
| 95 | ECO SISTEM PROIECT SRL | Municipiul Bacău | Bacău | 973.2 mii | 3 |
| 96 | AIRVENT ENGINEERING SRL | Bucureşti Sectorul 4 | Bucureşti | 970.9 mii | 4 |
| 97 | KRONSTADT TRADE SYSTEM SRL | Municipiul Braşov | Braşov | 969.7 mii | 1 |
| 98 | INSTAL CASA SRL | Sat Sântandrei, Comuna Sântandrei | Bihor | 963.5 mii | 19 |
| 99 | ROSOLAR TERMO ENERGY SRL | Municipiul Piteşti | Argeş | 956.1 mii | 8 |
| 100 | ALP ENGINEERING S.R.L. | Oraş Voluntari | Ilfov | 948.0 mii | 1 |
