| 1 | SOCIETATEA DE PRODUCERE A ENERGIEI ELECTRICE IN HIDROCENTRALE " HIDROELECTRICA" S.A. | Bucureşti Sectorul 1 | Bucureşti | 3,554 |
| 2 | BIOENERGY SUCEAVA S.A. | Bucureşti Sectorul 1 | Bucureşti | 88 |
| 3 | GENESIS BIOTECH SRL | Sat Ariceştii Rahtivani, Comuna Ariceştii Rahtivani | Prahova | 83 |
| 4 | DEFIC GLOBE S.R.L. | Municipiul Craiova | Dolj | 55 |
| 5 | POPECI AUTO SRL | Sat Pieleşti, Comuna Pieleşti | Dolj | 49 |
| 6 | SOCIETATEA DE ADMINISTRARE A PARTICIPAŢIILOR ÎN ENERGIE S.A. | Bucureşti Sectorul 1 | Bucureşti | 42 |
| 7 | TUB INTEGRAL SRL | Municipiul Bistriţa | Bistriţa-Năsăud | 34 |
| 8 | ELECTROCENTRALE GRUP S.A. | Bucureşti Sectorul 2 | Bucureşti | 32 |
| 9 | VIENNA ENERGY FORTA NATURALA SRL | Bucureşti Sectorul 3 | Bucureşti | 31 |
| 10 | CARPATHIA SOLAR S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 28 |
| 11 | MVM FUTURE ENERGY TECHNOLOGY SRL | Municipiul Miercurea Ciuc | Harghita | 27 |
| 12 | RENOVATIO SOLAR SRL | Bucureşti Sectorul 1 | Bucureşti | 26 |
| 13 | ELECTROCENTRALE BORZESTI S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 22 |
| 14 | ECONERGY BALKAN S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 20 |
| 15 | SOLWEC RENEWABLE ENERGY S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 18 |
| 16 | TRECON LOGISTIC S.R.L. | Loc. Ineu, Oraş Ineu | Arad | 17 |
| 17 | INTEX PRIM GREEN ENERGY SRL | Municipiul Câmpulung | Argeş | 16 |
| 18 | BIOCARNIC ESCO SRL | Municipiul Tulcea | Tulcea | 16 |
| 19 | OX2 AB Stockholm - Sucursala Bucuresti | Bucureşti Sectorul 2 | Bucureşti | 16 |
| 20 | CLARITA RO SOLAR S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 16 |
| 21 | XALANDINE ENERGY SRL | Bucureşti Sectorul 1 | Bucureşti | 15 |
| 22 | MHC WATER POWER S.A. | Sat Doiceşti, Comuna Doiceşti | Dâmboviţa | 15 |
| 23 | HOTEL AXA TRAVEL SRL | Sat Cunţa, Comuna Şpring | Alba | 15 |
| 24 | FOMCO SOLAR SYSTEMS SRL | Sat Cristeşti, Comuna Cristeşti | Mureş | 14 |
| 25 | LEMAR GRUP SRL | Municipiul Giurgiu | Giurgiu | 14 |
| 26 | DORADIA COM SRL | Municipiul Zalău | Sălaj | 13 |
| 27 | VERBUND WIND POWER ROMANIA SRL | Bucureşti Sectorul 2 | Bucureşti | 13 |
| 28 | MIDIA GREEN ENERGY S.A. | Loc. Năvodari, Oraş Năvodari | Constanţa | 12 |
| 29 | TEB PROJECT ONE SRL | Bucureşti Sectorul 1 | Bucureşti | 12 |
| 30 | IVY GRID SRL | Municipiul Craiova | Dolj | 12 |
| 31 | NOFAR ENERGY S.R.L. | Oraş Voluntari | Ilfov | 12 |
| 32 | IMOB EXPERT CONSULTING SRL | Municipiul Piteşti | Argeş | 11 |
| 33 | GREEN COMCRIS INVEST SRL | Sat Lunca, Comuna Lunca | Bihor | 11 |
| 34 | GOLD SOLAR ROMANIA 2017 S.R.L. | Sat Moşniţa Nouă, Comuna Moşniţa Nouă | Timiş | 11 |
| 35 | RES TERRANET HOLDING S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 11 |
| 36 | NECTARIA PROIECT SRL | Municipiul Alba Iulia | Alba | 10 |
| 37 | CLEAN POWER PROD SRL | Bucureşti Sectorul 6 | Bucureşti | 9 |
| 38 | SKYBASE ENERGY SRL | Bucureşti Sectorul 1 | Bucureşti | 9 |
| 39 | FUTURE PV S.R.L. | Municipiul Craiova | Dolj | 9 |
| 40 | EM POWER S.R.L. | Bucureşti Sectorul 5 | Bucureşti | 9 |
| 41 | SPECTRUM SRL | Municipiul Râmnicu Vâlcea | Vâlcea | 8 |
| 42 | EOLICA DOBROGEA ONE SRL | Municipiul Constanţa | Constanţa | 8 |
| 43 | ALPHA PROJECT TEHNOLOGY SA | Municipiul Drobeta-Turnu Severin | Mehedinţi | 8 |
| 44 | SOLAR RESOURCES SRL | Municipiul Turnu Măgurele | Teleorman | 8 |
| 45 | STOCK ENERGY SRL | Bucureşti Sectorul 1 | Bucureşti | 8 |
| 46 | MERCUR CITY S.R.L. | Municipiul Alba Iulia | Alba | 7 |
| 47 | EOL ENERGY SRL | Municipiul Satu Mare | Satu Mare | 7 |
| 48 | SONIC INTERNET SRL | Municipiul Suceava | Suceava | 7 |
| 49 | GADOVIA CONSULTING S.R.L. | Oraş Voluntari | Ilfov | 7 |
| 50 | EOLIAN PLUS SA | Loc. Baia Sprie, Oraş Baia Sprie | Maramureş | 7 |
| 51 | ENERGY TECH ENTERA S.R.L. | Municipiul Târgu Mureş | Mureş | 7 |
| 52 | VOLTACOM DOL SRL | Municipiul Caracal | Olt | 7 |
| 53 | CAPIDAVA PRODCOM SRL | Municipiul Târgu Mureş | Mureş | 6 |
| 54 | PARCUL INDUSTRIAL CUGIR SA | Loc. Cugir, Oraş Cugir | Alba | 6 |
| 55 | MOBIL DEN STEEL SRL | Municipiul Curtea de Argeş | Argeş | 6 |
| 56 | ALESIS SRL | Municipiul Cluj-Napoca | Cluj | 6 |
| 57 | HIDRO CLEAR SRL | Municipiul Sibiu | Sibiu | 6 |
| 58 | NATURAL ENERGY PROD SRL | Comuna Afumaţi | Ilfov | 6 |
| 59 | 4P RENEWABLES S.A. | Bucureşti Sectorul 2 | Bucureşti | 6 |
| 60 | MAIN 2ENERGY S.R.L. | Sat Teleşti, Comuna Teleşti | Gorj | 6 |
| 61 | KONELSIS ENERGY ROMANIA S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 6 |
| 62 | ELCYROM REALTY & DEVELOPMENT SRL | Bucureşti Sectorul 3 | Bucureşti | 5 |
| 63 | DELTA ENERGY SOLUTIONS S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 5 |
| 64 | INGKA INVESTMENTS RENEWABLE ENERGY ROMANIA S.R.L. | Bucureşti Sectorul 3 | Bucureşti | 5 |
| 65 | AQUA BLUE ENERGY POWER SRL | Municipiul Piteşti | Argeş | 5 |
| 66 | AMV SOLAR SRL | Municipiul Târgu Jiu | Gorj | 5 |
| 67 | TINMAR GREEN ENERGY SRL | Bucureşti Sectorul 1 | Bucureşti | 5 |
| 68 | NEW LIFE ENERGY SRL | Municipiul Cluj-Napoca | Cluj | 5 |
| 69 | CUSTOSOLAR SRL | Bucureşti Sectorul 2 | Bucureşti | 5 |
| 70 | IZVOR DE LUMINA S.R.L. | Municipiul Curtea de Argeş | Argeş | 5 |
| 71 | IDRORADEA SRL | Sat Aştileu, Comuna Aştileu | Bihor | 5 |
| 72 | M.H.P.P. ENERGY SOMEŞ SRL | Municipiul Braşov | Braşov | 5 |
| 73 | ECOENERGIA SRL | Municipiul Braşov | Braşov | 4 |
| 74 | EYE MALL SRL | Municipiul Craiova | Dolj | 4 |
| 75 | WINDKRAFT SIMONSFELD RO SRL | Municipiul Reşiţa | Caraş-Severin | 4 |
| 76 | LIFE GROUP SRL | Loc. Negreşti-Oaş, Oraş Negreşti-Oaş | Satu Mare | 4 |
| 77 | SERG COMPANY SRL | Sat Slimnic, Comuna Slimnic | Sibiu | 4 |
| 78 | GV ENERGY SRL | Municipiul Cluj-Napoca | Cluj | 4 |
| 79 | CORNI EOLIAN S.A. | Municipiul Constanţa | Constanţa | 4 |
| 80 | MW GREEN POWER EXPORT S.A. | Oraş Voluntari | Ilfov | 4 |
| 81 | PHOTOVOLTAIC SIB ENERGY SRL | Municipiul Sibiu | Sibiu | 4 |
| 82 | RENEWABLES CONSULTING SRL | Municipiul Timişoara | Timiş | 4 |
| 83 | ALTERNATIV INVESTMENT SOLUTIONS SRL | Bucureşti Sectorul 1 | Bucureşti | 4 |
| 84 | MAR-TIN SOLAR ENERGY SRL | Bucureşti Sectorul 1 | Bucureşti | 4 |
| 85 | SOLAR PARK MDL SRL | Municipiul Târgu Mureş | Mureş | 4 |
| 86 | RENEWABLE CONNECT PROJECT S.R.L. | Bucureşti Sectorul 2 | Bucureşti | 4 |
| 87 | ANITA PROFICONSULT S.R.L. | Loc. Sovata, Oraş Sovata | Mureş | 4 |
| 88 | SELECTION SOLAR SISTEM S.R.L. | Municipiul Oradea | Bihor | 4 |
| 89 | SALCIA SOLAR ENERGY S.R.L. | Loc. Voluntari, Oraş Voluntari | Ilfov | 4 |
| 90 | HELIOSUN VASLUI S.R.L. | Municipiul Vaslui | Vaslui | 4 |
| 91 | EVIS ENERGY S.R.L. | Bucureşti Sectorul 1 | Bucureşti | 4 |
| 92 | LARIX KARCFALVA S.R.L. | Sat Cârţa, Comuna Cârţa | Harghita | 4 |
| 93 | MINEX SRL | Municipiul Râmnicu Vâlcea | Vâlcea | 3 |
| 94 | ORI EXP SRL | Municipiul Satu Mare | Satu Mare | 3 |
| 95 | ENER ROM SRL | Municipiul Alba Iulia | Alba | 3 |
| 96 | ASTEH WESTERN SRL | Loc. Mioveni, Oraş Mioveni | Argeş | 3 |
| 97 | TOTAL NATURAL SRL | Municipiul Constanţa | Constanţa | 3 |
| 98 | ESPE ENERGIA SRL | Sat Ghiroda, Comuna Ghiroda | Timiş | 3 |
| 99 | BALKAN HYDROENERGY SRL | Municipiul Timişoara | Timiş | 3 |
| 100 | APOGEUS GROUP SRL | Municipiul Brăila | Brăila | 3 |
