| 1 | SOCIETATEA NATIONALA "NUCLEARELECTRICA" SA | Bucureşti Sectorul 1 | Bucureşti | 5.6 bn | 2,377 |
| 2 | SOCIETATEA COMPLEXUL ENERGETIC OLTENIA S.A. | Municipiul Târgu Jiu | Gorj | 3.5 bn | 7,950 |
| 3 | ELECTROCENTRALE BUCURESTI SA | Bucureşti Sectorul 6 | Bucureşti | 2.7 bn | 1,694 |
| 4 | SOCIETATEA ELECTROCENTRALE CRAIOVA S.A. | Municipiul Craiova | Dolj | 565.8 m | 457 |
| 5 | AUTO GROUP C.M.B. SRL | Municipiul Arad | Arad | 296.2 m | 236 |
| 6 | OMV PETROM WIND POWER SRL | Sat Gălbiori, Comuna Crucea | Constanţa | 273.3 m | 1 |
| 7 | TERMOCENTRALE CONSTANTA S.R.L. | Municipiul Constanţa | Constanţa | 194.3 m | 179 |
| 8 | NOVA PS 170 S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 190.0 m | 1 |
| 9 | BEPCO SRL | Loc. Ghimbav, Oraş Ghimbav | Braşov | 148.7 m | 108 |
| 10 | VEST - ENERGO SA | Bucureşti Sectorul 6 | Bucureşti | 146.7 m | 53 |
| 11 | NOVA PS 110 S.R.L. | Sat Doiceşti, Comuna Doiceşti | Dâmboviţa | 124.0 m | 1 |
| 12 | SOCIETATEA COMPLEXUL ENERGETIC VALEA JIULUI S.A. | Municipiul Petroşani | Hunedoara | 123.9 m | 2,262 |
| 13 | CENTRALA ELECTRICĂ DE TERMOFICARE HIDROCARBURI (C.E.T. HIDROCARBURI) SA | Municipiul Arad | Arad | 119.0 m | 189 |
| 14 | MEVCER SRL | Sat Muntenii de Jos, Comuna Muntenii de Jos | Vaslui | 84.3 m | 21 |
| 15 | GRENERG SRL | Municipiul Satu Mare | Satu Mare | 79.5 m | 20 |
| 16 | TRUE ENERGY MANAGEMENT S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 75.1 m | 16 |
| 17 | ROBEST COM SRL | Sat Cârcea, Comuna Cârcea | Dolj | 65.3 m | 344 |
| 18 | PETROL & CONSTRUCT SPECIALIST SRL | Comuna Berceni | Ilfov | 42.8 m | 4 |
| 19 | SUNEL ENERGY S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 40.3 m | 15 |
| 20 | HELIOLUX S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 38.7 m | 0 |
| 21 | EOLIAN PROJECT SRL | Bucureşti Sectorul 3 | Bucureşti | 38.1 m | 3 |
| 22 | ENERGY INNOVATIVE SOLUTIONS SRL | Oraş Otopeni | Ilfov | 37.2 m | 17 |
| 23 | CONTOURGLOBAL SOLUTIONS (PLOIESTI) SRL | Municipiul Ploieşti | Prahova | 33.8 m | 9 |
| 24 | ELECTRO ENERGY SUD SRL | Bucureşti Sectorul 1 | Bucureşti | 26.0 m | 17 |
| 25 | GREEN VISION SEVEN SRL | Municipiul Mediaş | Sibiu | 24.6 m | 1 |
| 26 | A6 IMPEX SA | Municipiul Dej | Cluj | 21.1 m | 5 |
| 27 | NOVA PS 90 S.R.L. | Sat Doiceşti, Comuna Doiceşti | Dâmboviţa | 20.0 m | 1 |
| 28 | NEXTE RENEWABLE S.R.L. | Bucureşti Sectorul 5 | Bucureşti | 17.6 m | 4 |
| 29 | UZINA TERMOELECTRICA PRODUCTION GIURGIU S.A. | Municipiul Giurgiu | Giurgiu | 17.5 m | 63 |
| 30 | RIG BIOMASS SRL | Sat Tarcău, Comuna Tarcău | Neamţ | 16.2 m | 15 |
| 31 | LIME PASTE TRADE S.R.L. | Sat Strâmba Jiu, Oraş Turceni | Gorj | 14.6 m | 0 |
| 32 | CRC NEW ENERGY S.R.L. | Sat Ghiroda, Comuna Ghiroda | Timiş | 14.4 m | 6 |
| 33 | UNION SERV IND. S.R.L. | Municipiul Mangalia | Constanţa | 14.3 m | 46 |
| 34 | GPSB SOLARIS 48 SRL | Municipiul Satu Mare | Satu Mare | 13.9 m | 2 |
| 35 | NICOLAE BĂLCESCU REGENERABILE S.R.L. | Loc. Cernavodă, Oraş Cernavodă | Constanţa | 11.4 m | 5 |
| 36 | LUNA GRUP ENERJI SANAYI VE TICARET ANONIM SIRKETI TURCIA SUCURSALA ROMANIA | Bucureşti Sectorul 2 | Bucureşti | 11.1 m | — |
| 37 | ELCATA MHC SRL | Loc. Năsăud, Oraş Năsăud | Bistriţa-Năsăud | 10.1 m | 10 |
| 38 | ELSE ENERGY S.R.L. | Bucureşti Sectorul 2 | Bucureşti | 9.3 m | 2 |
| 39 | PROFLORES GLOBAL SRL | Loc. Unirea, Municipiul Bistriţa | Bistriţa-Năsăud | 8.9 m | 1 |
| 40 | KELAVENT CHARLIE SRL | Bucureşti Sectorul 1 | Bucureşti | 8.8 m | — |
| 41 | KOMPACT GRID SRL | Bucureşti Sectorul 1 | Bucureşti | 8.7 m | 2 |
| 42 | ENERGY ASSET INVESTMENT S.R.L. | Sat Vetiş, Comuna Vetiş | Satu Mare | 8.4 m | 6 |
| 43 | CATALAN ELECTRIC SRL | Municipiul Cluj-Napoca | Cluj | 8.4 m | 1 |
| 44 | WINDFARM MV I SRL | Bucureşti Sectorul 1 | Bucureşti | 8.2 m | — |
| 45 | EFICIENTA SIGURANTA VIZIUNE CONSTRUCT GRUP S.R.L. | Oraş Bragadiru | Ilfov | 8.1 m | 4 |
| 46 | KELAVENT ECHO SRL | Bucureşti Sectorul 1 | Bucureşti | 7.8 m | — |
| 47 | SUNFIELDS NORD SRL | Bucureşti Sectorul 4 | Bucureşti | 7.4 m | 2 |
| 48 | FUTURE POWER SRL | Municipiul Iaşi | Iaşi | 6.8 m | 11 |
| 49 | NECALUXAN SOLTHREE S.R.L. | Municipiul Târgu Jiu | Gorj | 6.8 m | 1 |
| 50 | AGRO MARI YAC S.R.L. | Sat Raşi, Comuna Sălcioara | Ialomiţa | 5.9 m | 2 |
| 51 | TAPAJ COM SRL | Sat Arsuri, Comuna Schela | Gorj | 5.8 m | 24 |
| 52 | CRISBUS SA BRAD | Municipiul Brad | Hunedoara | 5.7 m | 25 |
| 53 | CDI CLEAN ENERGY SRL | Municipiul Sibiu | Sibiu | 5.5 m | 3 |
| 54 | UNITED POWER TRADING S.R.L. | Municipiul Satu Mare | Satu Mare | 5.3 m | 1 |
| 55 | SOLAR ELECTRIC FRASINET S.A. | Bucureşti Sectorul 3 | Bucureşti | 5.2 m | 1 |
| 56 | SOLAR RENEW SERVICE S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 5.1 m | 6 |
| 57 | ROTT HAUS CONSTRUCT SRL | Municipiul Gherla | Cluj | 4.5 m | 2 |
| 58 | DAK ANYA CRIS S.R.L. | Sat Dudu, Comuna Chiajna | Ilfov | 4.5 m | 1 |
| 59 | SPECTRUM TECH SRL | Bucureşti Sectorul 2 | Bucureşti | 4.2 m | — |
| 60 | AXELL GREEN ENERGY S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 3.9 m | 0 |
| 61 | HIDRO JEPI SA | Loc. Buşteni, Oraş Buşteni | Prahova | 3.7 m | 20 |
| 62 | EOLIAN ENERGY SRL | Loc. Haţeg, Oraş Haţeg | Hunedoara | 3.4 m | 25 |
| 63 | ROLAND PROJECT S.R.L. | Loc. Năvodari, Oraş Năvodari | Constanţa | 3.2 m | 2 |
| 64 | ECOSFER ENERGY SRL | Bucureşti Sectorul 1 | Bucureşti | 3.1 m | — |
| 65 | REINVENIO POWER GROUP SRL | Bucureşti Sectorul 1 | Bucureşti | 3.0 m | 3 |
| 66 | MASS GLOBAL ENERGY ROM S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 3.0 m | 25 |
| 67 | ENERGIAFOTO SRL | Bucureşti Sectorul 5 | Bucureşti | 2.9 m | 1 |
| 68 | AVANTGARDE TRADING SRL | Bucureşti Sectorul 4 | Bucureşti | 2.9 m | 2 |
| 69 | SOLAR ELECTRIC MOSTISTEA S.A. | Bucureşti Sectorul 3 | Bucureşti | 2.9 m | 1 |
| 70 | MIHAILESTI GARDENS SRL | Bucureşti Sectorul 4 | Bucureşti | 2.9 m | 0 |
| 71 | CASA CRÂNG SRL | Sat Domneşti, Comuna Domneşti | Ilfov | 2.9 m | 1 |
| 72 | CAZNET COMUNICATION SRL | Municipiul Drobeta-Turnu Severin | Mehedinţi | 2.9 m | 8 |
| 73 | ENERGO BIS MHC S.R.L. | Municipiul Braşov | Braşov | 2.9 m | 7 |
| 74 | SMART ENERGY DEVELOPMENT S.R.L. | Municipiul Miercurea Ciuc | Harghita | 2.9 m | 0 |
| 75 | SUN ENERGY COMPLET S.A. | Municipiul Piteşti | Argeş | 2.8 m | 1 |
| 76 | LUCAS EST SRL | Bucureşti Sectorul 1 | Bucureşti | 2.8 m | — |
| 77 | HIVE MODULE ENERGY S.R.L. | Municipiul Timişoara | Timiş | 2.8 m | 14 |
| 78 | ELECTRO RĂZPAM SRL | Municipiul Baia Mare | Maramureş | 2.7 m | 6 |
| 79 | GREOL INVESTMENT SRL | Municipiul Satu Mare | Satu Mare | 2.7 m | 1 |
| 80 | FORT GREEN ENERGY SRL | Sat Domneşti, Comuna Domneşti | Ilfov | 2.6 m | 1 |
| 81 | DACIA ENERGY GREEN S.R.L. | Oraş Popeşti Leordeni | Ilfov | 2.5 m | 3 |
| 82 | SC CARACAL SOLAR ALPHA SRL | Municipiul Constanţa | Constanţa | 2.5 m | 1 |
| 83 | IMPERIAL DEVELOPMENT SRL | Municipiul Cluj-Napoca | Cluj | 2.5 m | 10 |
| 84 | TID ENERGIE SRL | Bucureşti Sectorul 2 | Bucureşti | 2.4 m | 2 |
| 85 | ASTRO GREEN ENERGY SRL | Municipiul Cluj-Napoca | Cluj | 2.4 m | 10 |
| 86 | COMPLEX DE VIS S.R.L. | Municipiul Timişoara | Timiş | 2.3 m | 21 |
| 87 | VLG BIOCHIRIS SRL | Municipiul Cluj-Napoca | Cluj | 2.3 m | 1 |
| 88 | NEXTE RO PROJECT ALPHA S.R.L. | Bucureşti Sectorul 5 | Bucureşti | 2.2 m | 0 |
| 89 | SEB ENERGY S.R.L. | Municipiul Sibiu | Sibiu | 2.1 m | 5 |
| 90 | HYDRO POWER ENERGY SRL | Sat Marginea, Comuna Marginea | Suceava | 2.0 m | 1 |
| 91 | HOLISTIC CONSTRUCT&INOVATION S.R.L. | Sat Tunari, Comuna Tunari | Ilfov | 2.0 m | 1 |
| 92 | HYDROSILVANIA SRL | Sat Anies, Comuna Maieru | Bistriţa-Năsăud | 2.0 m | 4 |
| 93 | ENVOLTECO ENERGY SRL | Municipiul Brăila | Brăila | 2.0 m | 1 |
| 94 | EOLIAN GENERATOR SRL | Municipiul Tulcea | Tulcea | 2.0 m | 3 |
| 95 | CRIPVSOL ENERGY SRL | Municipiul Brăila | Brăila | 1.9 m | 1 |
| 96 | GLOBAL REAL ESTATE DEVELOPMENT S.R.L. | Municipiul Piteşti | Argeş | 1.9 m | 3 |
| 97 | TITAN SOLAR SRL | Bucureşti Sectorul 3 | Bucureşti | 1.8 m | 1 |
| 98 | BIESSE SOLAR SRL | Sat Dragomireşti-Deal, Comuna Dragomireşti-Vale | Ilfov | 1.8 m | 1 |
| 99 | ADICOM GREEN PRO LIFE S.R.L. | Sat Valea Teilor, Comuna Valea Teilor | Tulcea | 1.7 m | 1 |
| 100 | ECO TRADING ENERGY SRL | Bucureşti Sectorul 4 | Bucureşti | 1.7 m | 0 |
