| 1 | IBERDROLA, S.A. | BILBAO | 1900-01-01 | ICLIC01 | 8.691.405 |
| 2 | TOTALENERGIES CLIENTES S.A.U. | ASTURIAS | 2001-10-18 | TGYEC01 | 1.166.423 |
| 3 | ACCIONA GREEN ENERGY DEVELOPMENTS SL | ALCOBENDAS | 1900-01-01 | EGEDC01 | 687.580 |
| 4 | NATURGY IBERIA, S.A. | MADRID | 1900-01-01 | GNSEC01 | 594.873 |
| 5 | GAS NATURAL COMERCIALIZADORA SA | MADRID | 1900-01-01 | GNCOC01 | 560.214 |
| 6 | CURENERGÍA COMERCIALIZADOR DE ÚLTIMO RECURSO S.A.U. | BILBAO | 2009-06-09 | IBCUC01 | 527.691 |
| 7 | REPSOL COMERCIALIZADORA DE ELECTRICIDAD Y GAS, S.L.U | SANTANDER | 1900-01-01 | VIEECA1 | 454.150 |
| 8 | EDP CLIENTES SAU | OVIEDO | 2020-09-07 | EDPCC01 | 370.986 |
| 9 | COMERCIALIZADORA REGULADA, GAS & POWER, S.A. | MADRID | 2009-10-20 | GNSUC01 | 298.309 |
| 10 | FORTIA ENERGIA S.L. | MADRID | 1900-01-01 | FORTC01 | 268.478 |
| 11 | ENI PLENITUDE IBERIA, S.L. | TORRELAVEGA | 2014-03-19 | ALDRC01 | 238.190 |
| 12 | NATURGY CLIENTES, S.A.U. | MADRID | 2022-02-10 | NYCLC01 | 179.646 |
| 13 | CEPSA GAS Y ELECTRICIDAD, S.A.U. | MADRID | 2002-11-04 | DETIC01 | 142.017 |
| 14 | FENIE ENERGIA, S.A. | LAS ROZAS | 2011-01-12 | FENC01 | 129.869 |
| 15 | ENGIE ESPAÑA, S.L | MADRID | 1900-01-01 | EBLCO01 | 124.754 |
| 16 | THE YELLOW ENERGY, S.L | BARCELONA | 2013-06-17 | YELLC01 | 122.901 |
| 17 | IBERDROLA SERVICIOS ENERGETICOS, S.A.U. | BILBAO | 2018-07-18 | IBSEC01 | 114.464 |
| 18 | EDP ESPAÑA, S.A | OVIEDO | 2009-04-17 | HCGC01 | 110.047 |
| 19 | ENERGYA VM GESTION DE ENERGÍA, S.L | MADRID | 1900-01-01 | CENTC01 | 105.298 |
| 20 | GALP ENERGÍA ESPAÑA, S.A.U. | ALCOBENDAS | 2011-10-22 | GALPC01 | 103.849 |
| 21 | TOTALENERGIES MERCADO ESPAÑA, S.A.U | OVIEDO | 1900-01-01 | HCENE01 | 88.116 |
| 22 | NEXUS ENERGIA SA | MADRID | 1900-01-01 | NEXUC01 | 86.561 |
| 23 | SHELL ESPAÑA, S.A | MADRID | 1900-01-01 | SESAC01 | 75.084 |
| 24 | LOOP ELECTRICIDAD Y GAS, S.L | MADRID | 2016-10-28 | LEDCC01 | 73.470 |
| 25 | FACTOR ENERGÍA, S.A. | BARCELONA | 1900-01-01 | AMEC01 | 72.123 |
| 26 | GAOLANIA SERVICIOS SL | VALENCIA | 2015-04-24 | GAOLC01 | 69.187 |
| 27 | GESTERNOVA, S.A | MADRID | 2008-05-06 | GESTC01 | 63.091 |
| 28 | FOENER ENERGÍA, S.L | BENIPARRELL | 2013-09-20 | DREAC01 | 61.714 |
| 29 | SERVIGAS S XXI SA | ZARAGOZA | 2014-12-10 | SRVGC01 | 54.891 |
| 30 | ATLAS ENERGIA COMERCIAL, S.L. | LLEIDA | 2013-02-11 | ATLSC01 | 50.581 |
| 31 | HOLALUZ-CLIDOM, S.A | BARCELONA | 2011-02-24 | CLIDC01 | 48.394 |
| 32 | CIDE HCENERGÍA S.A.U | MADRID | 2009-05-11 | CHCC01 | 47.900 |
| 33 | BASER COMERCIALIZADORA DE REFERENCIA, S.A. | OVIEDO | 2011-05-16 | HCURC01 | 47.439 |
| 34 | ELÉCTRICA DE GUIXÉS, SL | SANT LLORENÇ DE MORUNYS | 2011-11-22 | EGENC01 | 47.116 |
| 35 | ENERGÍA COLECTIVA, S.L. | VALENCIA | 2014-10-28 | ECOLC01 | 42.617 |
| 36 | WIND TO MARKET S.A | MADRID | 1900-01-01 | WMARC01 | 38.412 |
| 37 | INTEGRACIÓN EUROPEA DE ENERGIA, S.A.U. | OVIEDO | 2013-05-29 | INTEC01 | 37.516 |
| 38 | UNIELECTRICA ENERGIA, S.A | CORDOBA | 2012-06-21 | UNELC01 | 36.701 |
| 39 | AUDAX RENOVABLES, S.A | BADALONA | 2010-06-22 | AUDAC01 | 35.464 |
| 40 | BIROU GAS S.L. | SANTANDER | 2020-02-24 | BIROC01 | 34.843 |
| 41 | ESCANDINAVA DE ELECTRICIDAD, S.L.U | BARCELONA | 2009-06-30 | CEEEC01 | 34.023 |
| 42 | ALPIQ ENERGIA ESPAÑA SAU | MADRID | 2016-04-21 | HISPC01 | 32.309 |
| 43 | NABALIA ENERGIA 2000 S.A | BARCELONA | 2016-01-18 | NABAC01 | 31.054 |
| 44 | CYE ENERGIA SL | VALENCIA | 2013-06-14 | CYEC01 | 29.566 |
| 45 | TRACTAMENT I SELECCIÓ DE RESIDUS, S.A. | SANT ADRIÀ DEL BESÒS | 2017-09-26 | TERSC01 | 27.865 |
| 46 | INGENIERÍA Y COMERCIALIZACIÓN DEL GAS S.A | CASTELLÓN | 2015-02-27 | ICGAC01 | 26.005 |
| 47 | RÉGSITI COMERCIALIZADORA REGULADA, S.L.U | SANTANDER | 2009-05-21 | EONUC01 | 24.450 |
| 48 | SOM ENERGIA SCCL | GERONA | 2011-06-14 | SOMEC01 | 24.243 |
| 49 | RESPIRA ENERGIA MEDITERRANIA, S.A. | BARCELONA | 2010-11-29 | RSPRC01 | 23.587 |
| 50 | ESTABANELL IMPULSA, S.A.U. | GRANOLLERS | 1900-01-01 | EYPC01 | 20.415 |
| 51 | HELIOELEC ENERGIA ELECTRICA, S.L. | PILAR DE LA HORADADA | 2018-08-01 | HELEC01 | 20.169 |
| 52 | ADX RENOVABLES, S.L. | BADALONA | 2023-05-19 | ADXC01 | 19.878 |
| 53 | MET ENERGIA ESPAÑA, S.A | MADRID | 2022-01-17 | METEC01 | 19.808 |
| 54 | ENERGÍA LIBRE COMERCIALIZADORA, S.L. | SEVILLA | 2015-05-12 | ODFC01 | 19.505 |
| 55 | HANWHA ENERGY RETAIL SPAIN SL | MADRID | 2020-03-02 | ESHAC01 | 19.135 |
| 56 | CANDELA COMERCIALIZADORA, S.L. | MADRID | 2019-08-26 | CADLC01 | 18.999 |
| 57 | BON PREU, SAU | MASIES DE VOLTREGÀ (LES) | 2020-03-01 | BNPRC01 | 18.582 |
| 58 | POTENZIA COMERCIALIZADORA SL | MADRID | 2016-11-28 | POTEC01 | 17.880 |
| 59 | ELECTRA CALDENSE ENERGIA, S.A. | CALDES DE MONTBUI | 1900-01-01 | ELCAC01 | 16.619 |
| 60 | ENERXIA GALEGA MAIS SLU | BARREIROS | 2014-11-25 | EGALC01 | 14.870 |
| 61 | BASSOLS ENERGIA COMERCIAL, S.L | OLOT | 1900-01-01 | BECOC01 | 14.615 |
| 62 | FOX ENERGÍA S.A | ALICANTE | 2015-07-02 | FOXC01 | 14.494 |
| 63 | COMERCIALIZADOR DE REFERENCIA ENERGÉTICO, S.L.U. | MADRID | 2014-07-09 | CHCOC01 | 14.048 |
| 64 | RECICLAJES ECOLOGICOS NAGINI, S.L. | VILANOVA I GELTRÚ | 2021-02-25 | NAGIC01 | 13.956 |
| 65 | COMERCIALIZADORA ELECTRICA DE CADIZ, S.A.U | CADIZ | 1900-01-01 | ECAZC01 | 13.634 |
| 66 | ARACAN ENERGIA S.L. | BARCELONA | 2011-05-18 | ARACC01 | 13.346 |
| 67 | CONECTA2 ENERGIA, S.L. | SANT CUGAT DEL VALLÈS | 2013-11-11 | CONEC01 | 13.025 |
| 68 | ALCANZIA ENERGIA, S.L. | VALENCIA | 2013-02-06 | ALCAC01 | 12.726 |
| 69 | IRIS ENERGÍA EFICIENTE S.A. | ORIHUELA | 2018-08-20 | IRISC01 | 12.211 |
| 70 | ON DEMAND FACILITIES, SLU | SEVILLA | 2011-01-04 | ONDEC01 | 12.108 |
| 71 | NIEVES ENERGÍA , S.L. | ESPARRAGUERA | 2014-01-09 | PETRC01 | 11.174 |
| 72 | GLOBAL BIOSFERA PROTEC S.L | DONOSTIA-SAN SEBASTIAN | 2014-10-01 | GBENC01 | 10.987 |
| 73 | LIDERA COMERCIALIZADORA ENERGIA, S.L. | GRANADA | 2021-03-10 | LIDEC01 | 10.933 |
| 74 | XENERA COMPAÑÍA ELECTRICA, S.A | TUY | 2013-02-18 | GEGC01 | 10.843 |
| 75 | AGRI-ENERGIA, S.A. | BANYOLES | 1900-01-01 | AGRIC01 | 10.697 |
| 76 | VISALIA ENERGIA S.L. | SANT PERE DE RIBES | 2019-01-02 | VISLC01 | 10.445 |
| 77 | INER ENERGIA CASTILLA LA MANCHA SL | ALBACETE | 2013-03-15 | INERC01 | 10.405 |
| 78 | ENERGIES RENOVABLES PUBLIQUES DE CATALUNYA, S.A.U. | BARCELONA | 2023-09-05 | ERPCC01 | 10.327 |
| 79 | WATIUM, S.L. | SANT PERE DE RIBES | 2012-08-23 | WATIC01 | 10.199 |
| 80 | AHORRELUZ SERVICIOS ONLINE S.L | BARCELONA | 2019-01-24 | ALUZC01 | 9.883 |
| 81 | ALUMBRA CORPORACIÓN, S.L. | BARCELONA | 2021-02-15 | LCOSC01 | 9.782 |
| 82 | INDEXO ENERGIA SL | SANT JOAN DESPÍ | 2013-05-31 | INDEC01 | 9.688 |
| 83 | HIDROELÉCTRICA DEL VALIRA, S.L. | SEO DE URGEL | 1900-01-01 | VALIC01 | 9.366 |
| 84 | SWAP ENERGIA SA | DONOSTIA-SAN SEBASTIAN | 2016-04-15 | SWAPC01 | 9.315 |
| 85 | CORPORACIÓN ALIMENTARIA GUISSONA, S.A. | GUISSONA | 2013-12-17 | GUISC01 | 9.196 |
| 86 | GEOATLANTER SA | MADRID | 1900-01-01 | GACC01 | 8.951 |
| 87 | GEO ALTERNATIVA S.L. | MADRID | 2016-02-05 | GEOAC01 | 8.663 |
| 88 | ADEINNOVA ENERGIA S.L | ARTESA DE SEGRE | 2015-07-06 | ADEIC01 | 8.569 |
| 89 | ENERGÍA Y SERVICIOS ABY 2018, S.L. | ALCALA DE HENARES | 2013-04-04 | LUBAC01 | 8.474 |
| 90 | RENOVAE CONSULTING, S.L. | CASTELLÓN DE LA PLANA | 2020-11-15 | RCONC01 | 8.255 |
| 91 | GOIENER S.COOP | ORDIZIA | 2013-02-27 | GOIEC01 | 7.944 |
| 92 | AXPO IBERIA S.L. | MADRID | 1900-01-01 | AXPOR01 | 7.883 |
| 93 | MY ENERGIA ONER S.L | LA ALBERCA | 2014-04-07 | MYENC01 | 7.770 |
| 94 | GASILUZ ECO ENERCIA S.L. | BADAJOZ | 2020-07-01 | GSLZC01 | 7.634 |
| 95 | NEOELECTRA ENERGIA | MADRID | 2015-09-28 | NEOEC01 | 6.850 |
| 96 | ENARA GESTIÓN Y MEDIACIÓN, S.L. | GETXO | 2011-02-01 | ENARC01 | 6.689 |
| 97 | ETER ENERGIA, S.L. | BADAJOZ | 2021-01-12 | ETNEC01 | 6.611 |
| 98 | ELEK COMERCIALIZADORA ELECTRICA S.L. | VALENCIA | 2016-08-01 | ELEKC01 | 6.608 |
| 99 | POWER WATT ENERGY ISLAND, SL | LAS PALMAS DE GRAN CANARIA | 2018-02-21 | SUNCC01 | 6.564 |
| 100 | BLUBAT PULSAR, S.L. | SAN JUAN DE AZNALFARACHE | 2015-02-04 | PULSC01 | 6.480 |
| 101 | ESTRATEGIAS ELÉCTRICAS INTEGRALES, S.A. | CABANES | 2014-09-11 | OPPIC01 | 6.194 |
| 102 | NOBE SOLUCIONES Y ENERGÍA, S.L. | VALLADOLID | 2015-02-06 | NOBEC01 | 6.023 |
| 103 | TAUTRA ENERGIA S.L. | MADRID | 2021-07-01 | TAUTC01 | 5.925 |
| 104 | COMERCIALIZADORA SUMINISTROS ESPECIALES ALGINETENSES, S.L | ALGINET | 1900-01-01 | COALC01 | 5.655 |
| 105 | DISA ENERGIA ELECTRICA S.L. | SANTA CRUZ DE TENERIFE | 2017-07-28 | DIELC01 | 5.617 |
| 106 | IBERELECTRICA COMERCIALIZADORA, SL | MARCHENA | 2014-06-05 | GALAC01 | 5.616 |
| 107 | AB ENERGÍA 1903, S.L. | BARBASTRO | 1900-01-01 | AGENC01 | 5.616 |
| 108 | SECOND FOUNDATION ENERGY, A.S. | | 2022-12-15 | SOECC01 | 5.536 |
| 109 | ARSUS ENERGIA, S.L | LA RINCONADA | 2016-11-10 | ECNDC01 | 5.501 |
| 110 | ENERGY STROM XXI SL | BARBERÁ DEL VALLÉS | 2013-08-12 | STROC01 | 5.499 |
| 111 | LOVE ENERGY, S.L. | BADALONA | 2020-10-08 | LOVEC01 | 5.164 |
| 112 | HSAT21 ENERGIA, S.L. | MADRID | 2021-12-14 | HSATC01 | 5.135 |
| 113 | ENERGIAS RENOVADORAS, S.L. | MADRID | 2021-12-13 | ENRNC01 | 5.102 |
| 114 | COX ENERGÍA COMERCIALIZADORA ESPAÑA S.L.U. | MADRID | 2015-03-12 | AENEC01 | 5.079 |
| 115 | INER EUSKADI, S.L. | DONOSTIA- SAN SEBASTIÁN | 2020-11-17 | INUSC01 | 5.049 |
| 116 | INGEBAU SOLUCIONES DE MEDIDA, S.L. | SEVILLA | 2019-06-09 | ISMSC01 | 5.033 |
| 117 | ATENCO ENERGIA SL | PALMAS DE GRAN CANARIA (LAS) | 2020-07-06 | ATEEC01 | 4.976 |
| 118 | CARVISA ENERGIA SL | COLLADO VILLALBA | 2012-11-28 | CARVC01 | 4.962 |
| 119 | ELECTRA ENERGIA, S.A. | CASTELLÓN | 1900-01-01 | EAM0C01 | 4.913 |
| 120 | ENERGY DIAGONAL DOS, S.L. | BARCELONA | 2023-02-10 | DINEC01 | 4.800 |
| 121 | LA UNIÓN ELECTRO INDUSTRIAL, S.L.U | CREVILLENT | 1900-01-01 | LAUEC01 | 4.565 |
| 122 | PASIÓN ENERGÍA, S.L. | CORDOBA | 2021-03-30 | FEEDC01 | 4.456 |
| 123 | ELECTRICA SEROSENSE, S.L. | TORRES DE SEGRE | 1900-01-01 | ESERC01 | 4.328 |
| 124 | ENERPLUS ENERGIA, S.A. | LUCENA | 2014-12-05 | ENPEC01 | 4.278 |
| 125 | ALPEX IBERICA DE ENERGIA, S.L.U | MADRID | 2019-03-28 | ALPXC01 | 4.215 |
| 126 | AVANZALIA ENERGIA COMERCIALIZADORA SA | MADRID | 2014-04-25 | GSETC01 | 3.974 |
| 127 | SUNAIR ONE ENERGY S.L | REUS | 2012-05-29 | SUNAC01 | 3.853 |
| 128 | LONJAS TECNOLOGÍA, S.A. | ALCOBENDAS | 1900-01-01 | LMERC01 | 3.433 |
| 129 | COMERCIALIZADORA ADI ESPAÑA, S.L. | CORDOBA | 2020-10-08 | ALSEC01 | 3.429 |
| 130 | EVOLVE ENERGIA, SL | MADRID | 2020-10-07 | URAIC01 | 3.395 |
| 131 | SYDER COMERCIALIZADORA VERDE SL | ZARAGOZA | 2010-06-22 | SCVC01 | 3.319 |
| 132 | AUSARTA PRIMA, S.L. | ERANDIO | 2017-04-11 | APRIC01 | 3.281 |
| 133 | ALDERAAN ENERGIA, S.L. | SANT CUGAT DEL VALLÈS | 2023-02-08 | ALDDC01 | 3.272 |
| 134 | ADELFAS ENERGIA SL | CALAHORRA | 2013-04-10 | ADELC01 | 3.223 |
| 135 | CAPITAL ENERGY COMERCIALIZADORA, S.L.U | POZUELO DE ALARCÓN | 2020-05-29 | LUCEC01 | 3.152 |
| 136 | DRK ENERGY, S.L | MADRID | 2015-12-29 | DRKFC01 | 3.141 |
| 137 | HIDROELECTRICA DE SILLEDA SL | MADRID | 1900-01-01 | HSCOC01 | 3.137 |
| 138 | LUZY ENERGIA RENOVABLE, S.L. | MADRID | 2022-07-18 | LUZYC01 | 3.049 |
| 139 | WEKIWI, S.L. | MADRID | 2022-04-18 | WKWC01 | 2.776 |
| 140 | IM3 ENERGIA SL | EIBAR | 2014-06-24 | IM3C01 | 2.722 |
| 141 | DAIMUZ ENERGÍA S.L. | EL EJIDO | 2014-07-11 | DAIMC01 | 2.716 |
| 142 | VIVO ENERGIA FUTURA S.A | BADALONA | 2016-11-17 | VIVOC01 | 2.667 |
| 143 | ALUZ ENERGIA ELECTRICA, S.L. | MADRID | 2021-07-07 | ALUEC01 | 2.606 |
| 144 | ENERGY TRADER SOLUTIONS, S.L. | ALICANTE | 2014-04-03 | ETSOC01 | 2.555 |
| 145 | ENERGYSAVE PROJECTS S.L | GETAFE | 2015-02-17 | ENSAC01 | 2.542 |
| 146 | INICIATIVA E. NOVA S.L. | TEO | 2014-10-20 | IENOC01 | 2.508 |
| 147 | ELECNOVA SIGLO XXI SL | CORDOBA | 2014-09-05 | ELCNC01 | 2.498 |
| 148 | PROT ENERGIA COMERCIALIZACION, S.L | VILANOVA I LA GELTRÚ | 2015-07-28 | PROTC01 | 2.496 |
| 149 | ELEVA 2 COMERCIALIZADORA, S.L | MADRID | 2015-02-06 | ELV2C01 | 2.476 |
| 150 | QUANTUM LUX 6.4, S.L. | VALENCIA | 2023-02-10 | QUALC01 | 2.459 |
| 151 | CONECTA ENERGIA VERDE, S.L. | FOIOS | 2019-08-12 | CNEVC01 | 2.429 |
| 152 | ALQUILER SEGURO ENERGÍA S.A. | MADRID | 2021-03-26 | ALQSC01 | 2.379 |
| 153 | CATGAS ENERGIA SA | SANTA COLOMA DE GRAMENET | 2015-09-28 | CATGC01 | 2.351 |
| 154 | ENERGY PLUS IBERIA, S.L. | A CORUÑA | 2023-09-13 | ENEPC01 | 2.316 |
| 155 | JUAN ENERGY, S.L. | MADRID | 2020-09-07 | JUANC01 | 2.259 |
| 156 | ECOVERGY RENOVABLES, S.L. | GRANOLLERS | 2023-06-14 | ECOVC01 | 2.254 |
| 157 | | | | DETSSAA | 2.206 |
| 158 | VARAENER, S.L. | PARLA | 2023-02-28 | VARAC01 | 2.198 |
| 159 | HOY ENERGÍA SOCIEDAD LIMITADA | BOADILLA DEL MONTE | 2022-05-09 | HOYEC01 | 2.192 |
| 160 | EVERGREEN ELECTRICA | MIJAS | 2010-04-23 | LDGIC01 | 2.163 |
| 161 | ELECTRA DEL CARDENER ENERGIA, S.A. | SOLSONA | 1900-01-01 | ECEC01 | 2.147 |
| 162 | EKILUZ ENERGÍA COMERCIALIZADORA, S.L. | SANTANDER | 2020-09-17 | KREAC01 | 2.122 |
| 163 | NEXT ENERGIA XXI, S.L. | ALICANTE | 2021-11-15 | NEXAC01 | 2.082 |
| 164 | TU ELECTRICA, S.L. | FUENGIROLA | 2022-10-18 | TUELC01 | 2.051 |
| 165 | COMERCIALIZADORA LERSA, S.L. | GERONA | 1900-01-01 | LERC01 | 2.016 |
| 166 | TUNERGIA EFICIENCIA ENERGETICA Y RENOVABLE, S.L. | XÀTIVA | 2021-02-15 | CONTC01 | 1.980 |
| 167 | ACSOL ENERGÍA GLOBAL, S.A. | SANT PERE DE RIBES | 2016-12-29 | ACSOC01 | 1.978 |
| 168 | ADURIZ ENERGÍA, SLU | MEDINA DE POMAR | 1900-01-01 | ADURC01 | 1.966 |
| 169 | LABOIL ENERGIA, S. L. | HUESCA | 2012-10-01 | LABOC01 | 1.948 |
| 170 | ENERGÍA ECOLÓGICA ECONÓMICA, S.L. | BADALONA | 2021-03-07 | ENEYC01 | 1.941 |
| 171 | ABOUTWHITE SL | COSLADA | 2015-05-20 | ABOUC01 | 1.902 |
| 172 | BEROIL ENERGIA ELÉCTRICA, S.L. | RUBENA | 2021-06-10 | BENOC01 | 1.884 |
| 173 | HIDROELÉCTRICA LUMYMEY S.L.U. | MELIDE | 1900-01-01 | LUM1C01 | 1.863 |
| 174 | ASTRALCAD ENERGIA, S.L. | CALAF | 2021-11-11 | ASTRC01 | 1.855 |
| 175 | MULTIENERGIAS MLC, S.L. | LINARES | 2021-12-01 | MARTC01 | 1.831 |
| 176 | EBROENERGIA COMERCIALIZADORA, S.L. | CINTRUÉNIGO | 2020-11-01 | EBREC01 | 1.767 |
| 177 | ELECTRICA SOLLERENSE, S.A. | SOLLER | 1900-01-01 | SOLLC01 | 1.714 |
| 178 | ELECTED ENERGY, S.L - | DOS HERMANAS | 2020-12-18 | ELTEC01 | 1.709 |
| 179 | ELECTRACOMERCIAL CENTELLES, S.L. | CENTELLES | 2015-01-01 | CNTLC01 | 1.699 |
| 180 | MASQLUZ 2020, S.L. | BADALONA | 2020-10-08 | MASQC01 | 1.626 |
| 181 | GURBTEC ENERGIA, S.L. | GURB | 2021-03-15 | GURBC01 | 1.592 |
| 182 | RELUZCA ENERGÍA, S..L. | ALCOBENDAS | 2021-03-03 | RELUC01 | 1.560 |
| 183 | ADS ENERGIA AUDITORES Y CONSULTORES, S.L.. | BARCELONA | 2021-02-15 | ADSNC01 | 1.533 |
| 184 | NUEVA COMERCIALIZADORA ESPAÑOLA SL | ZARAGOZA | 2013-06-26 | NCEC01 | 1.506 |
| 185 | REUS SERVEIS MUNICIPALS, S.A. | REUS | 2022-05-30 | REUSC01 | 1.478 |
| 186 | EPRESA ENERGÍA S.A. | PUERTO REAL | 1900-01-01 | EPRSC01 | 1.478 |
| 187 | AMPERIOS ENERGY TRADE, S.L. | VALENCIA | 2021-10-07 | AMPEC01 | 1.462 |
| 188 | SISTEMAS URBANOS DE ENERGÍAS RENOVABLES S.L. | ZARAGOZA | 2017-08-04 | URBCC01 | 1.338 |
| 189 | ELECTRA AVELLANA COMERCIAL, S.L | CORNELLA DEL TERRI | 1900-01-01 | ELAVC01 | 1.330 |
| 190 | ENERFIA, SL | SAN JAVIER | 2020-06-23 | ENEIC01 | 1.280 |
| 191 | PETRO NAVARRA SL | BALLARIAIN | 2017-02-15 | NAVAC01 | 1.279 |
| 192 | QUASAR ENERGÍA, S.L. | ZARAGOZA | 2018-03-09 | QENEC01 | 1.225 |
| 193 | GABA COMERCIALIZADORA DE ELECTRICIDAD, S.L.U. | LUGO | 2022-04-01 | GABAC01 | 1.210 |
| 194 | CLEARVIEW ENERGY S.L. | MADRID | 2022-02-14 | CLEAC01 | 1.154 |
| 195 | GNERA ENERGIA Y TECNOLOGIA, S.L. | MADRID | 2012-10-15 | GNRAC01 | 1.140 |
| 196 | SOLWE ENERGIA, S.L. | ÚBEDA | 2021-04-01 | SOLWC01 | 1.140 |
| 197 | ACTIVA COMERCIALIZADORA DE ENERGIA SL | VALENCIA | 2019-12-13 | ACTIC01 | 1.140 |
| 198 | ELECTRA CUNTIENSE, SL | CUNTIS | 1900-01-01 | CUNCC01 | 1.129 |
| 199 | MULTIENERGIA VERDE, S.L. | ZARAGOZA | 2014-06-04 | MULTC01 | 1.064 |
| 200 | HELIOS ENERGÍA INTELIGENTE, S.L. | LUCENA | 2021-06-22 | HELIC01 | 1.044 |
| 201 | ENERGAZE, S.L. | GANDIA | 2022-03-09 | EGAZC01 | 1.020 |
| 202 | MEGARA ENERGIA SOC. COOP | SORIA | 2016-07-15 | MEGC01 | 981 |
| 203 | LA VALL COMERCIALIZADORA ELECTRICA, S.L. | TAVERNES DE LA VALLDIGNA | 2022-07-12 | LAVAC01 | 962 |
| 204 | ELECTRICA DE MOSCOSO S.L | A LAMA | 1900-01-01 | ELALC01 | 954 |
| 205 | COMPAÑÍA DE ELECTRIFICACION S.L | VILLAGARCÍA DE AROSA | 1900-01-01 | COESC01 | 944 |
| 206 | DIVICONSULTING ENERGIA S.L | JAÉN | 2018-11-01 | DIVIC01 | 933 |
| 207 | EKHINEO ENERGÍA, S.L | UTEBO | 2023-10-10 | EKHIC01 | 908 |
| 208 | SOCIEDAD ARAGONESA DE COMERCIALIZACION DE ENERGIA S.L. | ZARAGOZA | 2020-07-23 | VIRUC01 | 905 |
| 209 | ENERGY BY COGEN S.L.U. | BOADILLA DEL MONTE | 1900-01-01 | COGEC01 | 887 |
| 210 | ENERGÉTICA DEL ESTE SL | VALENCIA | 2019-05-13 | DLSTC01 | 865 |
| 211 | COMERCIALIZADORA ELECTRICA DEL SURESTE | LORCA | 2012-07-09 | ZRMTC01 | 842 |
| 212 | ELECTRICA MUNICIPAL DE SANTA COLOMA DE QUERALT, SL | SANTA COLOMA DE QUERALT | 2010-01-29 | STAQC01 | 829 |
| 213 | AED ENERGIA ELECTRICA, S.L. | CORDOBA | 2022-10-25 | AEDEC01 | 805 |
| 214 | COOPERATIVA ELÉCTRICA BENÉFICA SAN FRANCISCO DE ASÍS, COOP. V. | CREVILLENT | 2011-06-20 | CCATC01 | 803 |
| 215 | ELÉCTRICA VAQUER ENERGIA, S.A | RIPOLL | 1900-01-01 | VAQC01 | 766 |
| 216 | GALAPAGO ENERGIA, S.L. | BARCELONA | 2024-01-01 | LAPAC01 | 756 |
| 217 | COOPERATIVA ELÉCTRICA-BENÉFICA ALBATERENSE, COOP.V | ALBATERA | 2012-02-15 | CEBAC01 | 752 |
| 218 | EFI DUERO ENERGY SOCIEDAD COOP EUROPEA LIMITADA | TRABANCA | 2017-11-03 | EFIDC01 | 721 |
| 219 | SERVICIOS ENERGETICOS AVANZADOS, S.L. | PALMA | 2023-10-27 | SERVC01 | 716 |
| 220 | SIESTA GREEN ENERGY SL | ORIHUELA COSTA | 2014-01-08 | OLEC01 | 711 |
| 221 | LINK ENERGIA, S.L | MADRID | 2024-03-14 | LINKC01 | 706 |
| 222 | LABOR SOLIS COMERCIALIZADORA DE ENERGIA, S.L. | VALENCIA | 2022-09-28 | LAOBC01 | 702 |
| 223 | GODAY ENERGIA SL | VILAGARCÍA DE AROUSA | 2016-06-02 | GOENC01 | 693 |
| 224 | RONDA OESTE ENERGÍA, S.L | MADRID | 2015-08-03 | OESTC01 | 665 |
| 225 | ELECTRICA SERRANIA DE RONDA ENERGIA SL | BENAOJÁN | 2013-12-01 | RONDC01 | 647 |
| 226 | ELECTRA NORTE ENERGÍA, S.A. | LA POLA DE SIERO | 1900-01-01 | NORTC01 | 632 |
| 227 | BSG ENERGIA S.L. | ALICANTE | 2018-04-04 | BSGEC01 | 617 |
| 228 | PINDO ELECTRICIDAD Y GAS SL | MADRID | 2024-02-21 | PINDC01 | 602 |
| 229 | ELÉCTRICA BENASQUE, S.L. | BENASQUE | 2017-01-23 | ELBEC01 | 591 |
| 230 | SUN POWER SPAIN 365, S.L | MADRID | 2022-10-24 | SUNPC01 | 565 |
| 231 | CIMA ENERGIA COMERCIALIZADORA SL | LOGROÑO | 2020-02-28 | CIMAC01 | 561 |
| 232 | ASSENN ENERGY, S.L. | BARCELONA | 2024-02-29 | ASSEC01 | 554 |
| 233 | AHORA LUZ ENERGIA, S.L. | ARRECIFE | 2022-07-15 | AHORC01 | 551 |
| 234 | SUCA SOCIEDAD COOPERATIVA ANDALUZA | EL EJIDO | 2017-08-11 | SUCAC01 | 546 |
| 235 | CRECE SOLUCIONES DE ENERGÍA, S.L | SEVILLA | 2021-08-12 | CREOC01 | 531 |
| 236 | E-LUZ ENERGY SOLUTIONS, S.L. | MADRID | 2021-04-15 | ELUZC01 | 528 |
| 237 | KILOWATIOS VERDES S.L. | ZARAGOZA | 2017-02-16 | KILVC01 | 526 |
| 238 | COMERCIALIZADORA TORRES ENERGIA, S.L. | TORRES DE SEGRE | 2017-02-09 | TOREC01 | 520 |
| 239 | ELECTRICA NTRA SRA DE GRACIA SDAD COOP VALENCIANA | BIAR | 2014-01-01 | EBIACA1 | 512 |
| 240 | CREA ENERGIA ECO, S.L.U. | MADRID | 2022-02-11 | CREEC01 | 506 |
| 241 | VIVA ENERGÍA Y SOLUCIONES, S.L. | MADRID | 2017-03-27 | VVESC01 | 506 |
| 242 | DISTRIBUIDORA ELECTRICA MONTOLIU SL | MONTOLIU | 1900-01-01 | ECATC01 | 478 |
| 243 | ELECTRICA DE ALBATERENSE, S.L | ALBATERA | 1900-01-01 | EALBC01 | 463 |
| 244 | FLUID ELECTRIC CAMPRODON II, S.L | CAMPRODON | 1900-01-01 | FECC01 | 448 |
| 245 | ENDI ENERGY TRADING SL | BARAKALDO | 2019-10-25 | ENDIC01 | 431 |
| 246 | ALTERNA OPERADOR INTEGRAL, S.L | LAS ROZAS DE MADRID | 2015-02-12 | LIUPC01 | 430 |
| 247 | LIBERA ENERGIAS RENOVABLES, S.L | VALENCIA | 2021-02-10 | KWFC01 | 421 |
| 248 | TELEFÓNICA SOLUCIONES DE INFORMÁTICA Y COMUNICACIONES DE ESPAÑA, S.A.U | MADRID | 2014-06-27 | TSOLC01 | 407 |
| 249 | GERENTA ENERGÍA, S.L.U. | FUENGIROLA | 2017-07-10 | GRTEC01 | 398 |
| 250 | NOSA ENERXIA SCG | VILAGARCÍA DE AROUSA | 2015-02-16 | NOSAC01 | 391 |
| 251 | ELÉCTRICA DEL POZO, S COOP M | MADRID | 2010-06-22 | POZOC01 | 382 |
| 252 | E.MILUZ SIE, S.L. | BARCELONA | 2020-12-21 | ESMIC01 | 370 |
| 253 | HORECA ENERGIA SL | MADRID | 2015-01-21 | HOREC01 | 366 |
| 254 | FLUIDO ELECTRICO DE MUSEROS, S.C.V. | MUSEROS | 2010-07-09 | FEMCC01 | 362 |
| 255 | GERENCIA ENERGETICA, S.L. | LEÓN | 2020-09-15 | GESLC01 | 355 |
| 256 | COMERCIALIZADORA ENERGÉTICA MEDITERRÁNEA, S.L. | MADRID | 1900-01-01 | CESOC01 | 352 |
| 257 | OCUO ENERGIA, S.L | MOLINS DE REI | 2020-05-26 | PTROC01 | 347 |
| 258 | ENERGIA OPERATIVA SL | SANTA EULALIA DE RONSANA | 2014-01-14 | EOP2C01 | 346 |
| 259 | ELECTRICA POPULAR, S. COOP. MAD | PERALES DE TAJUÑA | 2011-01-01 | ELPOC01 | 338 |
| 260 | BARTER SHARING, S.L. | MADRID | 2017-08-23 | OHMIC01 | 332 |
| 261 | ELECTRICA VINALESA, S.L.U | VINALESA | 1900-01-01 | VNLSC01 | 327 |
| 262 | VELETA ENERGIA, S.L. | MADRID | 2023-06-15 | VELTC01 | 325 |
| 263 | OLIVIA COMERCIALIZADORA S.L.U. | CÁDIZ | 2019-01-28 | OLIVC01 | 320 |
| 264 | COMERCAST ENERGIAS, S.L. | ALMASSORA | 2022-06-06 | CCASC01 | 316 |
| 265 | ELÉCTRICA CATRALENSE, SLU | CATRAL | 1900-01-01 | CATRC01 | 313 |
| 266 | GESTINER INGENIEROS, S.L. | MADRID | 2010-10-08 | GESIC01 | 290 |
| 267 | ADS ENERGY 8.0 SL | BADALONA | 2014-02-26 | ADSEC01 | 283 |
| 268 | DYNEFF ESPAÑA, S.L. | GIRONA | 2022-01-21 | DYNFC01 | 283 |
| 269 | AYLUZ COMERCIALIZADORA ELECTRICA S.L | TOTANA | 2015-03-05 | AYLUC01 | 281 |
| 270 | KARMA ALIMUR, S.L. | ALICANTE | 2024-02-13 | KARMC01 | 274 |
| 271 | EPAC SOLUCIONES ENERGETICAS, S.L | VALENCIA | 2020-12-01 | EPACC01 | 272 |
| 272 | RECICLAJES ECOLOGICOS CHANDUY,S.L. | SANT PERE DE RIBES | 2021-05-03 | CHANC01 | 250 |
| 273 | LA CORRIENTE SOCIEDAD COOPERATIVA | MADRID | 2019-02-04 | LACOC01 | 243 |
| 274 | REPRESENTANTES DE CONSUMIDORES EN EL MERCADO ELÉCTRICO, S.L. | TOTANA | 2023-10-09 | RECOC01 | 243 |
| 275 | MUNICIPAL DE SERVICIOS VILLAHERMOSANA, S.L | VILLAHERMOSA DEL RIO | 1900-01-01 | MSVSC01 | 240 |
| 276 | SOLABRIA S.COOP. - ENERPLUS S.C. | SANTANDER | 2016-04-11 | ENRPC01 | 230 |
| 277 | IMPERIUM LUMEN, S.A. | MADRID | 2022-05-09 | IMPEC01 | 228 |
| 278 | IBERICA IMPULSA, S.L. | CARBAJOSA DE LA SAGRADA | 2021-06-01 | BREIC01 | 225 |
| 279 | SIRAX ENERGY, S.L. | CASTELLÓN DE LA PLANA | 2021-11-08 | MXXIC01 | 219 |
| 280 | ZELTRIA ENERGIA | EL PALMAR | 2011-11-14 | ZELTC01 | 211 |
| 281 | COMERCIAL Y ASESORA DE ELECTRICIDAD, S.L. | CORDOBA | 2010-05-21 | CYDAC01 | 202 |
| 282 | IBERDESA COMERCIALIZADORA SL | CARMONA | 2019-11-18 | IBDSC01 | 190 |
| 283 | PONTS COMERCIALITZADORA MUNICIPAL D’ENERGIA ELÈCTRICA, S.L.U | PONTS | 2017-09-08 | PONCC01 | 189 |
| 284 | ENEL GREEN POWER ESPAÑA SL | SEVILLA | 1900-01-01 | ECYRREX | 184 |
| 285 | COMERCIALIZADORA ELÉCTRICA SUDANELL, S.L.U. | SUDANELL | 2017-08-04 | ELESC01 | 182 |
| 286 | SOLAR EAAS, S.L. | VILLANUEVA DE LA CAÑADA | 2021-05-13 | SOLBC01 | 182 |
| 287 | HAM POWER, S.L. | ABRERA | 2022-10-05 | HAMPC01 | 176 |
| 288 | ENERTIA GROUP S.L. | MADRID | 2024-02-13 | ENETC01 | 173 |
| 289 | PARATIENERGÍA S.L. | MADRID | 2022-09-01 | PTENC01 | 172 |
| 290 | ANTEA ENERGIA COMERCIALIZADORA SL | MADRID | 2017-04-19 | ANTEC01 | 159 |
| 291 | ENERGÍAS DEL ZINQUETA S.L. | PLAN | 2011-11-18 | ENZIC01 | 154 |
| 292 | ENERGÍA COSTA DORADA SL | CAMBRILS | 2017-10-20 | CODOC01 | 149 |
| 293 | REYSE ENERGIA SL | VALENCIA | 2015-12-22 | REYSC01 | 147 |
| 294 | VIRGIN ELECTRIC S.L.U. | CARBAJOSA DE LA SAGRADA | 2017-06-14 | VIRIC01 | 138 |
| 295 | ENERGIAS DE LA VILLA DE CAMPO, S.L. | CAMPO | 1900-01-01 | CAMCC01 | 137 |
| 296 | ENERGIAREA EUROPE S.L. | BARCELONA | 2023-02-21 | ENEDC01 | 127 |
| 297 | LUCIÉRNAGA ENERGÍA, S.L. | MADRID | 2017-09-25 | LUCIC01 | 126 |
| 298 | CONSULTING AND MANAGEMENT GREEN ENERGY, S.L. | FRAGA | 2022-06-16 | CONSC01 | 124 |
| 299 | LUX FORUM SL | MADRID | 2016-06-09 | LUXC01 | 122 |
| 300 | OXPERTA GREEN ENERGY, SOCIEDAD LIMITADA | BARBERÁ DEL VALLÉS | 2023-03-03 | OXPEC01 | 119 |
| 301 | WIBERLUZYGAS, S.L. | MOTRIL | 2020-10-07 | WIBEC01 | 112 |
| 302 | SUMA ENERGIA COMERCIALIZADORA SL | RAFELBUÑOL | 2020-07-16 | SUMAC01 | 107 |
| 303 | COMERCIALITZADORA ELECTRICA DE MONTOLIU DE LLEIDA S.L.U | MONTOLIU | 2017-10-30 | ELMOC01 | 106 |
| 304 | DILUZ COMERCIALIZADORA DE ELECTRICIDAD, S.L. | MAIRENA DEL ALJARAFE | 2022-04-18 | DILUC01 | 102 |
| 305 | ENEX SOCIAL ENERGY, S.L. | MÁLAGA | 2023-11-01 | ENEXC01 | 102 |
| 306 | ENGEL COMERCIALIZADORA,S.L. | BARBERÁ DEL VALLÉS | 2024-03-01 | ENGLC01 | 100 |
| 307 | SIGNO ENERGY, S.L. | MADRID | 2021-02-04 | SIGNC01 | 100 |
| 308 | ELECTRODISTRIBUIDORA DE FUERZA Y ALUMBRADO CASABLANCA, S.COOP.V | ALMENARA | 2010-05-06 | EDFAC01 | 95 |
| 309 | COMERCIALIZADORA LUZ RURAL, S.L. | MADRID | 2020-05-29 | ESDOC01 | 94 |
| 310 | NORTELECTRICA ENERGIA SL | LLEIDA | 2018-07-20 | NOREC01 | 93 |
| 311 | CORPOLUX, S.L | CREVILLENT | 2013-07-12 | CORPC01 | 89 |
| 312 | ALIO ENERGIA SL | TORREVIEJA | 2023-06-14 | ALIOC01 | 79 |
| 313 | COMERCIALIZADORA LA CHISTABINA, SLU | GISTAÍN | 2018-12-17 | CHISC01 | 77 |
| 314 | ELITE BIOENERGIA, S.L. | CAMBRE | 2022-01-14 | ELITC01 | 73 |
| 315 | ENERGY INTERSOL 15, S.L. | ELCHE | 2021-10-14 | EINTC01 | 58 |
| 316 | ELECTRICA SALAS DE PALLARS COMERCIALITZADORA, S.L. | SALAS DE PALLARS | 2017-05-10 | SALPC01 | 53 |
| 317 | GARCIA MUNTE ENERGIA, S.L | EL PRAT DE LLOBREGAT | 2022-05-30 | GMEC01 | 40 |
| 318 | BOAENERGETICA 2000, S.L. | LAS ROZAS DE MADRID | 2024-02-15 | BOAEC01 | 38 |
| 319 | GAMBITOENERGY, S.L. | VITORIA - GASTEIZ | 2023-06-01 | GAMIC01 | 28 |
| 320 | SHARE YOUR ENERGY, S.L. | BARCELONA | 2022-01-01 | SYENC01 | 24 |
| 321 | SAMPOL INGENIERIA Y OBRAS SA | PALMA DE MALLORCA | 2011-09-13 | SAMPC01 | 22 |
| 322 | PROFIT ENERGY, S.L. | MATARÓ | 2023-01-31 | SOPRC01 | 18 |
| 323 | INDAREL KUDEAKETA, S.L.U. | VITORIA-GASTEIZ | 2024-06-20 | INDAC01 | 17 |
| 324 | ELECBALEAR, S.L. | PORRERES | 2017-12-11 | BALEC01 | 6 |
| 325 | ENERGETICA HOTELERA, S.L. | MADRID | 2023-11-10 | ENDKC01 | 4 |
| 326 | NEMON INTELLIGENCE IN BUSINESS, S.L. | ASCÓ | 2014-06-05 | NEMOC01 | 3 |
| 327 | ENERMIA COMERCIALIZADORA ELECTRICA, S.L. | SEVILLA | 2023-12-05 | EMIAC01 | 2 |
| 328 | TALARN ENERGÍA ELÉCTRICA, S.L. | TALARN | 2017-05-22 | TALEC01 | 2 |
| 329 | FRANK ENERGIA IBERIA, S.L. | BARCELONA | 2023-11-22 | FRANC01 | 0 |
