| 1 | IBERDROLA, S.A. | BILBAO | 1900-01-01 | ICLIC01 | 7.921.985 |
| 2 | NATURGY CLIENTES EMPRESAS, S.A.U. | MADRID | 1900-01-01 | NYCLC01 | 1.469.794 |
| 3 | TOTALENERGIES CLIENTES S.A.U. | ASTURIAS | 2001-10-18 | TGYEC01 | 668.851 |
| 4 | REPSOL COMERCIALIZADORA DE ELECTRICIDAD Y GAS, S.L.U | SANTANDER | 1900-01-01 | VIEECA1 | 605.189 |
| 5 | ACCIONA GREEN ENERGY DEVELOPMENTS SL | ALCOBENDAS | 1900-01-01 | EGEDC01 | 526.226 |
| 6 | CURENERGÍA COMERCIALIZADOR DE ÚLTIMO RECURSO S.A.U. | BILBAO | 2009-06-09 | IBCUC01 | 464.077 |
| 7 | EDP CLIENTES SAU | OVIEDO | 2020-09-07 | EDPCC01 | 454.980 |
| 8 | ENI PLENITUDE IBERIA, S.L. | TORRELAVEGA | 2014-03-19 | ALDRC01 | 241.596 |
| 9 | COMERCIALIZADORA REGULADA, GAS &, POWER, S.A. | MADRID | 2009-10-20 | GNSUC01 | 235.212 |
| 10 | GAOLANIA SERVICIOS SL | VALENCIA | 2015-04-24 | GAOLC01 | 160.959 |
| 11 | NEXUS ENERGIA SA | MADRID | 1900-01-01 | NEXUC01 | 151.980 |
| 12 | THE YELLOW ENERGY, S.L | BARCELONA | 2013-06-17 | YELLC01 | 140.631 |
| 13 | FENIE ENERGIA, S.A. | LAS ROZAS | 2011-01-12 | FENC01 | 122.748 |
| 14 | MOEVE GAS AND POWER, S.A.U. | MADRID | 2002-11-04 | DETIC01 | 117.884 |
| 15 | ENERGYA VM GESTION DE ENERGÍA, S.L | MADRID | 1900-01-01 | CENTC01 | 116.673 |
| 16 | ENERGIES RENOVABLES PUBLIQUES DE CATALUNYA, S.A.U. | BARCELONA | 2023-09-05 | ERPCC01 | 114.633 |
| 17 | IBERDROLA SERVICIOS ENERGETICOS, S.A.U. | BILBAO | 2018-07-18 | IBSEC01 | 110.055 |
| 18 | GALP ENERGÍA ESPAÑA, S.A.U. | ALCOBENDAS | 2011-10-22 | GALPC01 | 109.547 |
| 19 | FORTIA ENERGIA S.L. | MADRID | 1900-01-01 | FORTC01 | 98.633 |
| 20 | ADX RENOVABLES, S.L. | BADALONA | 2023-05-19 | ADXC01 | 92.139 |
| 21 | SERVIGAS S XXI SA | ZARAGOZA | 2014-12-10 | SRVGC01 | 91.023 |
| 22 | AXPO IBERIA S.L. | MADRID | 1900-01-01 | AXPOR01 | 86.356 |
| 23 | ENGIE ESPAÑA, S.L | MADRID | 1900-01-01 | EBLCO01 | 85.654 |
| 24 | GESTERNOVA, S.A | MADRID | 2008-05-06 | GESTC01 | 80.879 |
| 25 | ATLAS ENERGIA COMERCIAL, S.L. | LLEIDA | 2013-02-11 | ATLSC01 | 80.032 |
| 26 | FACTOR ENERGÍA, S.A. | BARCELONA | 1900-01-01 | AMEC01 | 70.998 |
| 27 | EDP ESPAÑA, S.A | OVIEDO | 2009-04-17 | HCGC01 | 70.998 |
| 28 | ENERGÍA COLECTIVA, S.L. | VALENCIA | 2014-10-28 | ECOLC01 | 68.608 |
| 29 | LOOP ELECTRICIDAD Y GAS, S.L | MADRID | 2016-10-28 | LEDCC01 | 63.675 |
| 30 | UNIELECTRICA ENERGIA, S.A | CORDOBA | 2012-06-21 | UNELC01 | 59.587 |
| 31 | ESCANDINAVA DE ELECTRICIDAD, S.L.U | BARCELONA | 2009-06-30 | CEEEC01 | 55.265 |
| 32 | CIDE HCENERGÍA S.A.U | MADRID | 2009-05-11 | CHCC01 | 52.281 |
| 33 | FOENER ENERGÍA, S.L | BENIPARRELL | 2013-09-20 | DREAC01 | 46.586 |
| 34 | BASER COMERCIALIZADORA DE REFERENCIA, S.A. | OVIEDO | 2011-05-16 | HCURC01 | 41.695 |
| 35 | HANWHA ENERGY RETAIL SPAIN SL | MADRID | 2020-03-02 | ESHAC01 | 37.889 |
| 36 | RECICLAJES ECOLOGICOS NAGINI, S.L. | VILANOVA I GELTRÚ | 2021-02-25 | NAGIC01 | 34.105 |
| 37 | SHELL ESPAÑA, S.A | MADRID | 1900-01-01 | SESAC01 | 34.091 |
| 38 | TRACTAMENT I SELECCIÓ DE RESIDUS, S.A. | SANT ADRIÀ DEL BESÒS | 2017-09-26 | TERSC01 | 34.012 |
| 39 | NABALIA ENERGIA 2000 S.A | BARCELONA | 2016-01-18 | NABAC01 | 33.839 |
| 40 | CYE ENERGIA SL | VALENCIA | 2013-06-14 | CYEC01 | 29.664 |
| 41 | MET ENERGIA ESPAÑA, S.A | MADRID | 2022-01-17 | METEC01 | 29.655 |
| 42 | INTEGRACIÓN EUROPEA DE ENERGIA, S.A.U. | OVIEDO | 2013-05-29 | INTEC01 | 29.609 |
| 43 | ELÉCTRICA DE GUIXÉS, SL | SANT LLORENÇ DE MORUNYS | 2011-11-22 | EGENC01 | 29.573 |
| 44 | INGENIERÍA Y COMERCIALIZACIÓN DEL GAS S.A | CASTELLÓN | 2015-02-27 | ICGAC01 | 28.437 |
| 45 | BIROU GAS S.L. | SANTANDER | 2020-02-24 | BIROC01 | 28.053 |
| 46 | HOLALUZ-CLIDOM, S.A | BARCELONA | 2011-02-24 | CLIDC01 | 27.658 |
| 47 | CONECTA2 ENERGIA, S.L. | SANT CUGAT DEL VALLÈS | 2013-11-11 | CONEC01 | 24.513 |
| 48 | POTENZIA COMERCIALIZADORA SL | ARGANDA DEL REY | 2016-11-28 | POTEC01 | 24.191 |
| 49 | FASTLIGHT, S.L. | BILBAO | 2025-01-27 | FASTC01 | 23.494 |
| 50 | ELECTRA CALDENSE ENERGIA, S.A. | CALDES DE MONTBUI | 1900-01-01 | ELCAC01 | 23.026 |
| 51 | ON DEMAND FACILITIES, SLU | SEVILLA | 2011-01-04 | ONDEC01 | 21.716 |
| 52 | RÉGSITI COMERCIALIZADORA REGULADA, S.L.U | SANTANDER | 2009-05-21 | EONUC01 | 21.455 |
| 53 | ENERXIA GALEGA MAIS SLU | BARREIROS | 2014-11-25 | EGALC01 | 21.020 |
| 54 | ENERGÍA LIBRE COMERCIALIZADORA, S.L. | SEVILLA | 2015-05-12 | ODFC01 | 20.863 |
| 55 | AEQ W2M, S.A. | MADRID | 2025-06-11 | AEQC01 | 20.850 |
| 56 | RESPIRA ENERGIA MEDITERRANIA, S.A. | BARCELONA | 2010-11-29 | RSPRC01 | 20.473 |
| 57 | ATENCO ENERGIA SL | PALMAS DE GRAN CANARIA (LAS) | 2020-07-06 | ATEEC01 | 20.358 |
| 58 | BON PREU, SAU | MASIES DE VOLTREGÀ (LES) | 2020-03-01 | BNPRC01 | 19.795 |
| 59 | GEO ALTERNATIVA S.L. | MADRID | 2016-02-05 | GEOAC01 | 19.705 |
| 60 | ESTABANELL IMPULSA, S.A.U. | GRANOLLERS | 1900-01-01 | EYPC01 | 19.542 |
| 61 | FOX ENERGÍA S.A | ALICANTE | 2015-07-02 | FOXC01 | 19.368 |
| 62 | SOM ENERGIA SCCL | GERONA | 2011-06-14 | SOMEC01 | 18.882 |
| 63 | CANDELA COMERCIALIZADORA, S.L. | MADRID | 2019-08-26 | CADLC01 | 17.656 |
| 64 | ALCANZIA ENERGIA, S.L. | VALENCIA | 2013-02-06 | ALCAC01 | 17.046 |
| 65 | AUDAX RENOVABLES, S.A | BADALONA | 2010-06-22 | AUDAC01 | 16.557 |
| 66 | INER ENERGIA CASTILLA LA MANCHA SL | ALBACETE | 2013-03-15 | INERC01 | 15.352 |
| 67 | ADELFAS ENERGIA SL | CALAHORRA | 2013-04-10 | ADELC01 | 14.766 |
| 68 | TELECOR S.A. UNIPERSONAL | MADRID | 2021-01-19 | TLCMC01 | 13.981 |
| 69 | COX ENERGÍA COMERCIALIZADORA ESPAÑA S.L.U. | MADRID | 2015-03-12 | AENEC01 | 13.841 |
| 70 | IRIS ENERGÍA EFICIENTE S.A. | ORIHUELA | 2018-08-20 | IRISC01 | 13.440 |
| 71 | ENERGIAS RENOVADORAS, S.L. | MADRID | 2021-12-13 | ENRNC01 | 13.428 |
| 72 | RENOVAE CONSULTING, S.L. | CASTELLÓN DE LA PLANA | 2020-11-15 | RCONC01 | 12.359 |
| 73 | AHORRELUZ SERVICIOS ONLINE S.L | BARCELONA | 2019-01-24 | ALUZC01 | 12.175 |
| 74 | GREENING SMART ENERGY, S.L. | GRANADA | 2021-03-10 | LIDEC01 | 11.775 |
| 75 | ETER ENERGIA, S.L. | BADAJOZ | 2021-01-12 | ETNEC01 | 11.755 |
| 76 | COMERCIALIZADOR DE REFERENCIA ENERGÉTICO, S.L.U. | MADRID | 2014-07-09 | CHCOC01 | 11.420 |
| 77 | ENERGÍA Y SERVICIOS ABY 2018, S.L. | ALCALA DE HENARES | 2013-04-04 | LUBAC01 | 11.389 |
| 78 | NIEVES ENERGÍA , S.L. | ESPARRAGUERA | 2014-01-09 | PETRC01 | 11.185 |
| 79 | GASILUZ ECO ENERCIA S.L. | BADAJOZ | 2020-07-01 | GSLZC01 | 11.071 |
| 80 | ALUMBRA CORPORACIÓN, S.L. | BARCELONA | 2021-02-15 | LCOSC01 | 11.059 |
| 81 | COMERCIALIZADORA ELECTRICA DE CADIZ, S.A.U | CADIZ | 1900-01-01 | ECAZC01 | 10.883 |
| 82 | CORPORACIÓN ALIMENTARIA GUISSONA, S.A. | GUISSONA | 2013-12-17 | GUISC01 | 10.556 |
| 83 | AGRI-ENERGIA, S.A. | BANYOLES | 1900-01-01 | AGRIC01 | 10.360 |
| 84 | HELIOELEC ENERGIA ELECTRICA, S.L. | PILAR DE LA HORADADA | 2018-08-01 | HELEC01 | 10.138 |
| 85 | BASSOLS ENERGIA COMERCIAL, S.L | OLOT | 1900-01-01 | BECOC01 | 10.129 |
| 86 | NOBE SOLUCIONES Y ENERGÍA, S.L. | VALLADOLID | 2015-02-06 | NOBEC01 | 10.110 |
| 87 | XENERA COMPAÑÍA ELECTRICA, S.A | TUY | 2013-02-18 | GEGC01 | 9.081 |
| 88 | PASIÓN ENERGÍA, S.L. | CORDOBA | 2021-03-30 | FEEDC01 | 9.065 |
| 89 | GEOATLANTER SA | MADRID | 1900-01-01 | GACC01 | 9.017 |
| 90 | ARACAN ENERGIA S.L. | BARCELONA | 2011-05-18 | ARACC01 | 8.513 |
| 91 | ADEINNOVA ENERGIA S.L | ARTESA DE SEGRE | 2015-07-06 | ADEIC01 | 8.247 |
| 92 | LOVE ENERGY, S.L. | BADALONA | 2020-10-08 | LOVEC01 | 7.863 |
| 93 | ENERGYSAVE PROJECTS S.L | GETAFE | 2015-02-17 | ENSAC01 | 7.578 |
| 94 | HIDROELÉCTRICA DEL VALIRA, S.L. | SEO DE URGEL | 1900-01-01 | VALIC01 | 7.365 |
| 95 | GLOBAL BIOSFERA PROTEC S.L | DONOSTIA-SAN SEBASTIAN | 2014-10-01 | GBENC01 | 7.246 |
| 96 | INER EUSKADI, S.L. | DONOSTIA- SAN SEBASTIÁN | 2020-11-17 | INUSC01 | 7.184 |
| 97 | ENARA GESTIÓN Y MEDIACIÓN, S.L. | GETXO | 2011-02-01 | ENARC01 | 7.102 |
| 98 | GOIENER S.COOP | ORDIZIA | 2013-02-27 | GOIEC01 | 7.080 |
| 99 | DISA ENERGIA ELECTRICA S.L. | SANTA CRUZ DE TENERIFE | 2017-07-28 | DIELC01 | 7.027 |
| 100 | TAUTRA ENERGIA S.L. | MADRID | 2021-07-01 | TAUTC01 | 6.967 |
| 101 | ELEK COMERCIALIZADORA ELECTRICA S.L. | VALENCIA | 2016-08-01 | ELEKC01 | 6.780 |
| 102 | COMERCIALIZADORA SUMINISTROS ESPECIALES ALGINETENSES, S.L | ALGINET | 1900-01-01 | COALC01 | 6.578 |
| 103 | JUAN ENERGY, S.L. | MADRID | 2020-09-07 | JUANC01 | 6.544 |
| 104 | SWAP ENERGIA SA | DONOSTIA-SAN SEBASTIAN | 2016-04-15 | SWAPC01 | 6.439 |
| 105 | LONJAS TECNOLOGÍA, S.A. | ALCOBENDAS | 1900-01-01 | LMERC01 | 6.397 |
| 106 | MY ENERGIA ONER S.L | LA ALBERCA | 2014-04-07 | MYENC01 | 6.353 |
| 107 | IBERELECTRICA COMERCIALIZADORA, SL | MARCHENA | 2014-06-05 | GALAC01 | 5.930 |
| 108 | POWER WATT ENERGY ISLAND, SL | LAS PALMAS DE GRAN CANARIA | 2018-02-21 | SUNCC01 | 5.926 |
| 109 | INDEXO ENERGIA SL | BARCELONA | 2013-05-31 | INDEC01 | 5.847 |
| 110 | ENERGY TRADER SOLUTIONS, S.L. | ALICANTE | 2014-04-03 | ETSOC01 | 5.576 |
| 111 | ENERGY PLUS IBERIA, S.L. | A CORUÑA | 2023-09-13 | ENEPC01 | 5.534 |
| 112 | APOLO BUSINESS, S.L. | VALENCIA | 2024-03-05 | APOLC01 | 5.112 |
| 113 | ARSUS ENERGIA, S.L | LA RINCONADA | 2016-11-10 | ECNDC01 | 4.974 |
| 114 | AB ENERGÍA 1903, S.L. | BARBASTRO | 1900-01-01 | AGENC01 | 4.774 |
| 115 | IM3 ENERGIA SL | EIBAR | 2014-06-24 | IM3C01 | 4.468 |
| 116 | INGEBAU SOLUCIONES DE MEDIDA, S.L. | SEVILLA | 2019-06-09 | ISMSC01 | 4.467 |
| 117 | ENERGY STROM XXI SL | BARBERÁ DEL VALLÉS | 2013-08-12 | STROC01 | 4.418 |
| 118 | HSAT21 ENERGIA, S.L. | MADRID | 2021-12-14 | HSATC01 | 4.406 |
| 119 | AUSARTA PRIMA, S.L. | ERANDIO | 2017-04-11 | APRIC01 | 4.374 |
| 120 | ESTRATEGIAS ELÉCTRICAS INTEGRALES, S.A. | CABANES | 2014-09-11 | OPPIC01 | 4.275 |
| 121 | TU ELECTRICA, S.L. | MELILLA | 2022-10-18 | TUELC01 | 4.051 |
| 122 | ELECNOVA SIGLO XXI SL | CORDOBA | 2014-09-05 | ELCNC01 | 3.906 |
| 123 | ASTRALCAD ENERGIA, S.L. | CALAF | 2021-11-11 | ASTRC01 | 3.597 |
| 124 | ELECTRA ENERGIA, S.A. | CASTELLÓN | 1900-01-01 | EAM0C01 | 3.588 |
| 125 | ASSENN ENERGY, S.L. | BARCELONA | 2024-02-29 | ASSEC01 | 3.569 |
| 126 | LUZY ENERGIA RENOVABLE, S.L. | MADRID | 2022-07-18 | LUZYC01 | 3.536 |
| 127 | ALPEX IBERICA DE ENERGIA, S.L.U | MADRID | 2019-03-28 | ALPXC01 | 3.496 |
| 128 | HAFESA MOBILITY ELC, S.L. | MADRID | 2024-05-30 | HAFEC01 | 3.478 |
| 129 | PROT ENERGIA COMERCIALIZACION, S.L | VILANOVA I LA GELTRÚ | 2015-07-28 | PROTC01 | 3.469 |
| 130 | ECOVERGY RENOVABLES, S.L. | GRANOLLERS | 2023-06-14 | ECOVC01 | 3.411 |
| 131 | BLUBAT PULSAR, S.L. | SAN JUAN DE AZNALFARACHE | 2015-02-04 | PULSC01 | 3.267 |
| 132 | DAIMUZ ENERGÍA S.L. | EL EJIDO | 2014-07-11 | DAIMC01 | 3.261 |
| 133 | GABA COMERCIALIZADORA DE ELECTRICIDAD, S.L.U. | LUGO | 2022-04-01 | GABAC01 | 3.209 |
| 134 | LA UNIÓN ELECTRO INDUSTRIAL, S.L.U | CREVILLENT | 1900-01-01 | LAUEC01 | 3.115 |
| 135 | DRK ENERGY, S.L | MADRID | 2015-12-29 | DRKFC01 | 3.113 |
| 136 | ENERPLUS ENERGIA, S.A. | LUCENA | 2014-12-05 | ENPEC01 | 3.066 |
| 137 | REPRESENTANTES DE CONSUMIDORES EN EL MERCADO ELÉCTRICO, S.L. | TOTANA | 2023-10-09 | RECOC01 | 3.032 |
| 138 | ALUZ ENERGIA ELECTRICA, S.L. | MADRID | 2021-07-07 | ALUEC01 | 3.019 |
| 139 | ALPIQ ENERGIA ESPAÑA SAU | MADRID | 2016-04-21 | HIS1R01 | 3.003 |
| 140 | ENUCA COMERCIALIZADORA, S.L. | MADRID | 2025-02-25 | CEMEC01 | 2.994 |
| 141 | ELECTRICA SEROSENSE, S.L. | TORRES DE SEGRE | 1900-01-01 | ESERC01 | 2.988 |
| 142 | GALAPAGO ENERGIA, S.L.U. | BARCELONA | 2024-01-01 | LAPAC01 | 2.975 |
| 143 | AS ENERGY ELECTRICIDAD Y GAS, S.A | MADRID | 2021-03-26 | ALQSC01 | 2.884 |
| 144 | COMERCIALIZADORA ADI ESPAÑA, S.L. | CORDOBA | 2020-10-08 | ALSEC01 | 2.826 |
| 145 | HOY ENERGÍA SOCIEDAD LIMITADA | BOADILLA DEL MONTE | 2022-05-09 | HOYEC01 | 2.821 |
| 146 | INICIATIVA E. NOVA S.L. | TEO | 2014-10-20 | IENOC01 | 2.700 |
| 147 | GURBTEC ENERGIA, S.L. | GURB | 2021-03-15 | GURBC01 | 2.565 |
| 148 | EVOLVE ENERGIA, SL | MADRID | 2020-10-07 | URAIC01 | 2.426 |
| 149 | CATGAS ENERGIA SA | SANTA COLOMA DE GRAMENET | 2015-09-28 | CATGC01 | 2.317 |
| 150 | LABOIL ENERGIA, S. L. | HUESCA | 2012-10-01 | LABOC01 | 2.257 |
| 151 | ELECTED ENERGY, S.L - | DOS HERMANAS | 2020-12-18 | ELTEC01 | 2.230 |
| 152 | ELEVA 2 COMERCIALIZADORA, S.L | MADRID | 2015-02-06 | ELV2C01 | 2.214 |
| 153 | ALMA LUZ Y GAS, S.L | MADRID | 2024-03-14 | LINKC01 | 2.211 |
| 154 | REUS SERVEIS MUNICIPALS, S.A. | REUS | 2022-05-30 | REUSC01 | 2.152 |
| 155 | REPSOL ENERGÍA DIGITAL, S.L.U. | MADRID | 2020-09-17 | KREAC01 | 2.138 |
| 156 | MULTIENERGIAS MLC, S.L. | LINARES | 2021-12-01 | MARTC01 | 2.127 |
| 157 | VIVO ENERGIA FUTURA S.A | BADALONA | 2016-11-17 | VIVOC01 | 2.045 |
| 158 | SOLWE ENERGIA, S.L. | ÚBEDA | 2021-04-01 | SOLWC01 | 1.993 |
| 159 | IBERDESA COMERCIALIZADORA SL | CARMONA | 2019-11-18 | IBDSC01 | 1.933 |
| 160 | ADS ENERGIA AUDITORES Y CONSULTORES, S.L.. | BARCELONA | 2021-02-15 | ADSNC01 | 1.877 |
| 161 | TH ELECTRICITY GAS, S.L. | SEVILLA | 2024-03-26 | THELC01 | 1.825 |
| 162 | RELUZCA ENERGÍA, S..L. | ALCOBENDAS | 2021-03-03 | RELUC01 | 1.790 |
| 163 | WIND TO MARKET, S.A. | MADRID | 1900-01-01 | WMARCAX | 1.727 |
| 164 | | | | ADURC01 | 1.692 |
| 165 | COMERCIALIZADORA LERSA, S.L. | GERONA | 1900-01-01 | LERC01 | 1.691 |
| 166 | COMERCIALIZADORA LUZ RURAL, S.L. | MADRID | 2020-05-29 | ESDOC01 | 1.671 |
| 167 | CIMA ENERGIA COMERCIALIZADORA SL | LOGROÑO | 2020-02-28 | CIMAC01 | 1.632 |
| 168 | EVERGREEN ELECTRICA | MIJAS | 2010-04-23 | LDGIC01 | 1.596 |
| 169 | QUANTUM LUX 6.4, S.L. | VALENCIA | 2023-02-10 | QUALC01 | 1.585 |
| 170 | TOMMI ENERGY, S.L. | VIGO | 2024-10-30 | TOMMC01 | 1.575 |
| 171 | HIDROELECTRICA DE SILLEDA SL | MADRID | 1900-01-01 | HSCOC01 | 1.549 |
| 172 | ABOUTWHITE SL | COSLADA | 2015-05-20 | ABOUC01 | 1.545 |
| 173 | EKHINEO ENERGÍA, S.L | UTEBO | 2023-10-10 | EKHIC01 | 1.537 |
| 174 | HELIOS ENERGÍA INTELIGENTE, S.L. | LUCENA | 2021-06-22 | HELIC01 | 1.525 |
| 175 | BEROIL ENERGIA ELÉCTRICA, S.L. | RUBENA | 2021-06-10 | BENOC01 | 1.509 |
| 176 | HIDROELÉCTRICA LUMYMEY S.L.U. | MELIDE | 1900-01-01 | LUM1C01 | 1.509 |
| 177 | VARAENER, S.L. | PARLA | 2023-02-28 | VARAC01 | 1.501 |
| 178 | ELECTRA DEL CARDENER ENERGIA, S.A. | SOLSONA | 1900-01-01 | ECEC01 | 1.409 |
| 179 | ELECTRACOMERCIAL CENTELLES, S.L. | CENTELLES | 2015-01-01 | CNTLC01 | 1.405 |
| 180 | ALTANO CONNECT, S.L. | MADRID | 2026-02-12 | NEXOC01 | 1.378 |
| 181 | ENERGÉTICA DEL ESTE SL | VALENCIA | 2019-05-13 | DLSTC01 | 1.355 |
| 182 | IBERICA IMPULSA, S.L. | CARBAJOSA DE LA SAGRADA | 2021-06-01 | BREIC01 | 1.345 |
| 183 | ELECTRICA SOLLERENSE, S.A. | SOLLER | 1900-01-01 | SOLLC01 | 1.340 |
| 184 | ENERGÍA ECOLÓGICA ECONÓMICA, S.L. | BADALONA | 2021-03-07 | ENEYC01 | 1.313 |
| 185 | CREA ENERGIA ECO, S.L.U. | MADRID | 2022-02-11 | CREEC01 | 1.300 |
| 186 | NEXT ENERGIA XXI, S.L. | ALICANTE | 2021-11-15 | NEXAC01 | 1.297 |
| 187 | ELECTRA AVELLANA COMERCIAL, S.L | CORNELLA DEL TERRI | 1900-01-01 | ELAVC01 | 1.291 |
| 188 | ACSOL ENERGÍA GLOBAL, S.A. | SANT PERE DE RIBES | 2016-12-29 | ACSOC01 | 1.290 |
| 189 | SERVICIOS ENERGETICOS AVANZADOS, S.L. | PALMA | 2023-10-27 | SERVC01 | 1.280 |
| 190 | HIDROCARBUROS ALHAURIN SL | ALHAURÍN DE LA TORRE | 2023-01-25 | ALAHC01 | 1.279 |
| 191 | EBROENERGIA COMERCIALIZADORA, S.L. | CINTRUÉNIGO | 2020-11-01 | EBREC01 | 1.216 |
| 192 | INARGY SPOT, S.L.U. | SAN SEBASTIAN DE LOS REYES | 2024-09-26 | INARC01 | 1.208 |
| 193 | GNERA ENERGIA Y TECNOLOGIA, S.L. | MADRID | 2012-10-15 | GNRAC01 | 1.191 |
| 194 | PETRO NAVARRA SL | BALLARIAIN | 2017-02-15 | NAVAC01 | 1.185 |
| 195 | SECOND FOUNDATION TRADING AG | STEINHAUSEN | 2024-04-08 | TOECC01 | 1.178 |
| 196 | INER MADRID, S.L. | MADRID | 2025-06-02 | INEMC01 | 1.146 |
| 197 | NUEVA COMERCIALIZADORA ESPAÑOLA SL | ZARAGOZA | 2013-06-26 | NCEC01 | 1.108 |
| 198 | COMERCIALIZADORA ELECTRICA DEL SURESTE | LORCA | 2012-07-09 | ZRMTC01 | 1.103 |
| 199 | VELETA ENERGIA, S.L. | MADRID | 2023-06-15 | VELTC01 | 1.081 |
| 200 | EPRESA ENERGÍA, S.A.U. | PUERTO REAL | 1900-01-01 | EPRSC01 | 1.069 |
| 201 | ALTERNA OPERADOR INTEGRAL, S.L | LAS ROZAS DE MADRID | 2015-02-12 | LIUPC01 | 1.065 |
| 202 | QUASAR ENERGÍA, S.L. | ZARAGOZA | 2018-03-09 | QENEC01 | 1.060 |
| 203 | JOVE ENERGIA RENOVABLE, S.L. | MADRID | 2025-01-22 | JOVEC01 | 1.056 |
| 204 | COMERCIALIZADORA HAZ DE LUZ RENOVABLE, S.L.U. | VALENCIA | 2021-12-02 | COPIC01 | 1.044 |
| 205 | PISUERGA INFRAESTRUCTURAS ENERGETICAS, S.L. | MADRID | 2024-12-17 | PISUC01 | 1.035 |
| 206 | GREEN ENERGY 360, S.L. | MADRID | 2024-10-28 | GRENC01 | 1.021 |
| 207 | MASQLUZ 2020, S.L. | BADALONA | 2020-10-08 | MASQC01 | 1.017 |
| 208 | ENERGREEN MOBILITY S.L | LEGANÉS | 2024-12-02 | EGREC01 | 1.007 |
| 209 | ACTIVA COMERCIALIZADORA DE ENERGIA SL | VALENCIA | 2019-12-13 | ACTIC01 | 1.003 |
| 210 | CRECE SOLUCIONES DE ENERGÍA, S.L | SEVILLA | 2021-08-12 | CREOC01 | 992 |
| 211 | AMI ELECTRUM, S.L. | REUS | 2025-10-31 | AMIC01 | 986 |
| 212 | SIRAX ENERGY, S.L. | CASTELLÓN DE LA PLANA | 2021-11-08 | MXXIC01 | 983 |
| 213 | MEGARA ENERGIA SOC. COOP | SORIA | 2016-07-15 | MEGC01 | 979 |
| 214 | COOPERATIVA ELÉCTRICA-BENÉFICA ALBATERENSE, COOP.V | ALBATERA | 2012-02-15 | CEBAC01 | 949 |
| 215 | ALIZA ENERGY, S.L. | MADRID | 2024-06-25 | VECCC01 | 937 |
| 216 | | | | IDESC01 | 917 |
| 217 | ELECTRICA DE MOSCOSO S.L | A LAMA | 1900-01-01 | ELALC01 | 909 |
| 218 | AHORA LUZ ENERGIA, S.L. | ARRECIFE | 2022-07-15 | AHORC01 | 906 |
| 219 | COOPERATIVA ELÉCTRICA BENÉFICA SAN FRANCISCO DE ASÍS, COOP. V. | CREVILLENT | 2011-06-20 | CCATC01 | 904 |
| 220 | ELECTRA CUNTIENSE, SL | CUNTIS | 1900-01-01 | CUNCC01 | 899 |
| 221 | PRAETIUM ENERGY, S.L. | MADRID | 2025-09-11 | PRAEC01 | 864 |
| 222 | TUNERGIA EFICIENCIA ENERGETICA Y RENOVABLE, S.L. | XÀTIVA | 2021-02-15 | CONTC01 | 842 |
| 223 | LUZ SOLIDARIA S.L. | CASTELLDEFELS | 2019-12-10 | LSINC01 | 834 |
| 224 | CLEARVIEW ENERGY S.L. | MADRID | 2022-02-14 | CLEAC01 | 825 |
| 225 | BSG ENERGIA S.L. | ALICANTE | 2018-04-04 | BSGEC01 | 819 |
| 226 | LOVILUZ ENERGIA, S.L. | MIJAS | 2025-07-09 | LOVIC01 | 815 |
| 227 | MULTIENERGIA VERDE, S.L. | ZARAGOZA | 2014-06-04 | MULTC01 | 808 |
| 228 | COMERCIALIZADORA TORRES ENERGIA, S.L. | TORRES DE SEGRE | 2017-02-09 | TOREC01 | 808 |
| 229 | PARATIENERGÍA S.L. | MADRID | 2022-09-01 | PTENC01 | 765 |
| 230 | DIVICONSULTING ENERGIA S.L | JAÉN | 2018-11-01 | DIVIC01 | 737 |
| 231 | ENERGAZE, S.L. | GANDIA | 2022-03-09 | EGAZC01 | 733 |
| 232 | SERVINERGIA ELECTRICA, S.L. | VILAFRANCA DEL PENEDÉS | 2024-11-21 | SRVIC01 | 733 |
| 233 | ELECTRICA MUNICIPAL DE SANTA COLOMA DE QUERALT, SL | SANTA COLOMA DE QUERALT | 2010-01-29 | STAQC01 | 724 |
| 234 | IMPERIUM LUMEN, S.A. | MADRID | 2022-05-09 | IMPEC01 | 650 |
| 235 | LA VALL COMERCIALIZADORA ELECTRICA, S.L. | TAVERNES DE LA VALLDIGNA | 2022-07-12 | LAVAC01 | 646 |
| 236 | MOLALUZ ENERGIA, S.L. | MADRID | 2024-07-10 | MOLAC01 | 645 |
| 237 | ENDI ENERGY TRADING SL | BARAKALDO | 2019-10-25 | ENDIC01 | 618 |
| 238 | ENEL GREEN POWER ESPAÑA SL | SEVILLA | 1900-01-01 | ECYRREX | 613 |
| 239 | ELECTRICA DE ALBATERENSE, S.L | ALBATERA | 1900-01-01 | EALBC01 | 613 |
| 240 | EFI DUERO ENERGY SOCIEDAD COOP EUROPEA LIMITADA | TRABANCA | 2017-11-03 | EFIDC01 | 613 |
| 241 | HORECA ENERGIA SL | MADRID | 2015-01-21 | HOREC01 | 610 |
| 242 | LABOR SOLIS COMERCIALIZADORA DE ENERGIA, S.L. | VALENCIA | 2022-09-28 | LAOBC01 | 590 |
| 243 | ELECTRA NORTE ENERGÍA, S.A. | LA POLA DE SIERO | 1900-01-01 | NORTC01 | 577 |
| 244 | A2J ENERGÍA, S.L. | VALENCIA | 2024-09-02 | AJENC01 | 577 |
| 245 | ENERTIA GROUP S.L. | MADRID | 2024-02-13 | ENETC01 | 567 |
| 246 | ENERGYASSET COMERCIALIZADORA DE ENERGÍA, S.L. | MADRID | 2025-09-25 | ANGLC01 | 562 |
| 247 | GODAY ENERGIA SL | VILAGARCÍA DE AROUSA | 2016-06-02 | GOENC01 | 546 |
| 248 | ENEX SOCIAL ENERGY, S.L. | MÁLAGA | 2023-11-01 | ENEXC01 | 545 |
| 249 | ELÉCTRICA VAQUER ENERGIA, S.A | RIPOLL | 1900-01-01 | VAQC01 | 540 |
| 250 | TELEFÓNICA SOLUCIONES DE INFORMÁTICA Y COMUNICACIONES DE ESPAÑA, S.A.U | MADRID | 2014-06-27 | TSOLC01 | 528 |
| 251 | SIESTA GREEN ENERGY SL | ORIHUELA COSTA | 2014-01-08 | OLEC01 | 503 |
| 252 | KILOWATIOS VERDES S.L. | ZARAGOZA | 2017-02-16 | KILVC01 | 498 |
| 253 | MASNORTE GLOBAL POWER, S.L. | SAN SEBASTIÁN DE LOS REYES | 2025-03-07 | MASNC01 | 492 |
| 254 | ELECTRICA SERRANIA DE RONDA ENERGIA SL | BENAOJÁN | 2013-12-01 | RONDC01 | 487 |
| 255 | ALDEA CLIENTES, S.L. | VALENCIA | 2014-05-26 | ELVAC01 | 483 |
| 256 | SUCA SOCIEDAD COOPERATIVA ANDALUZA | EL EJIDO | 2017-08-11 | SUCAC01 | 477 |
| 257 | ELÉCTRICA BENASQUE, S.L. | BENASQUE | 2017-01-23 | ELBEC01 | 468 |
| 258 | SUN POWER SPAIN 365, S.L | MADRID | 2022-10-24 | SUNPC01 | 458 |
| 259 | GERENTA ENERGÍA, S.L.U. | FUENGIROLA | 2017-07-10 | GRTEC01 | 439 |
| 260 | FLUID ELECTRIC CAMPRODON II, S.L | CAMPRODON | 1900-01-01 | FECC01 | 412 |
| 261 | ENERFIA, SL | SAN JAVIER | 2020-06-23 | ENEIC01 | 409 |
| 262 | POWER SOLAR TRADE SL | MADRID | 2024-04-08 | POSOC01 | 407 |
| 263 | SOCIEDAD ARAGONESA DE COMERCIALIZACION DE ENERGIA S.L. | ZARAGOZA | 2020-07-23 | VIRUC01 | 400 |
| 264 | COMERCAST ENERGIAS, S.L. | ALMASSORA | 2022-06-06 | CCASC01 | 398 |
| 265 | EPAC SOLUCIONES ENERGETICAS, S.L | VALENCIA | 2020-12-01 | EPACC01 | 388 |
| 266 | LIBERA ENERGIAS RENOVABLES, S.L | VALENCIA | 2021-02-10 | KWFC01 | 386 |
| 267 | ECOTHERMIC XXI, S.L. | CASTELLÓN DE LA PLANA | 2024-11-21 | ECOTC01 | 386 |
| 268 | ELÉCTRICA CATRALENSE, SLU | CATRAL | 1900-01-01 | CATRC01 | 383 |
| 269 | COMERCIALIZADORA ENERGÉTICA MEDITERRÁNEA, S.L. | MADRID | 1900-01-01 | CESOC01 | 378 |
| 270 | DUEROLUZ ENERGIA, S.L. | VILLARALBO | 2025-09-30 | DUERC01 | 363 |
| 271 | INDALO ENERGÍA, S.L. | MAIRENA DEL ALJARAFE | 2025-06-16 | INDLC01 | 344 |
| 272 | ENERGIA OPERATIVA SL | SANTA EULALIA DE RONSANA | 2014-01-14 | EOP2C01 | 342 |
| 273 | DISTRIBUIDORA ELECTRICA MONTOLIU SL | MONTOLIU | 1900-01-01 | ECATC01 | 340 |
| 274 | SIMPLIA ENERGIA, S.L | FUENLABRADA | 2025-03-12 | PLIAC01 | 337 |
| 275 | ELECTRICA NTRA SRA DE GRACIA SDAD COOP VALENCIANA | BIAR | 2014-01-01 | EBIACA1 | 336 |
| 276 | NOSA ENERXIA SCG | VILAGARCÍA DE AROUSA | 2015-02-16 | NOSAC01 | 331 |
| 277 | TORNADIZOS ENERGY, S.L. | LAS ROZAS DE MADRID | 2024-12-04 | TEOTC01 | 329 |
| 278 | GARCIA MUNTE ENERGIA, S.L | EL PRAT DE LLOBREGAT | 2022-05-30 | GMEC01 | 328 |
| 279 | AMPERIOS ENERGY TRADE, S.L. | VALENCIA | 2021-10-07 | AMPEC01 | 328 |
| 280 | MAS ALLA PRODUCTOS ENERGETICOS, S.L. | MADRID | 2025-03-11 | MASAC01 | 325 |
| 281 | ELECTRICA VINALESA, S.L.U | VINALESA | 1900-01-01 | VNLSC01 | 320 |
| 282 | ZENON ENERGIA, S.L. | MADRID | 2025-12-19 | ZENOC01 | 315 |
| 283 | LEON COMERCIALIZADORA DE ENERGIA, S.L. | BENIDORM | 2024-08-21 | LEONC01 | 313 |
| 284 | GERENCIA ENERGETICA, S.L. | LEÓN | 2020-09-15 | GESLC01 | 311 |
| 285 | CHARGE ENERGY, S.L. | MÉRIDA | 2025-09-24 | CHAC01 | 298 |
| 286 | ELÉCTRICA DEL POZO, S COOP M | MADRID | 2010-06-22 | POZOC01 | 297 |
| 287 | LUXIA ENERGIA Y CONSULTORES, S.L. | BARCELONA | 2025-01-22 | LUXIC01 | 292 |
| 288 | VIVA ENERGÍA Y SOLUCIONES, S.L. | MADRID | 2017-03-27 | VVESC01 | 291 |
| 289 | ENERVER ENERGIA, S.L. | CATARROJA | 2021-02-12 | ENVEC01 | 290 |
| 290 | DYNEFF ESPAÑA, S.L. | GIRONA | 2022-01-21 | DYNFC01 | 290 |
| 291 | INICIATIVAS ENERGETICAS AXTRA ENERGY, S.L. | SAN JAVIER | 2025-03-10 | INICC01 | 286 |
| 292 | MUNICIPAL DE SERVICIOS VILLAHERMOSANA, S.L | VILLAHERMOSA DEL RIO | 1900-01-01 | MSVSC01 | 269 |
| 293 | SONESTA LUZ, S.L. | LLANERA | 2025-01-13 | SONEC01 | 268 |
| 294 | OLIVIA COMERCIALIZADORA S.L.U. | CÁDIZ | 2019-01-28 | OLIVC01 | 264 |
| 295 | FLUIDO ELECTRICO DE MUSEROS, S.C.V. | MUSEROS | 2010-07-09 | FEMCC01 | 257 |
| 296 | DON BELTRAN MARKET, S.L. | SALAMANCA | 2025-05-07 | DONBC01 | 243 |
| 297 | E-LUZ ENERGY SOLUTIONS, S.L. | MADRID | 2021-04-15 | ELUZC01 | 243 |
| 298 | BESPIN ENERGÍA, S.L. | ZARAGOZA | 2024-09-25 | BESC01 | 240 |
| 299 | BEST OPTION ENERGY | MADRID | 2024-10-30 | BESTC01 | 229 |
| 300 | LA CORRIENTE SDAD COOP | MADRID | 2019-02-04 | LACOC01 | 223 |
| 301 | SOLABRIA S.COOP. - ENERPLUS S.C. | SANTANDER | 2016-04-11 | ENRPC01 | 222 |
| 302 | GESTINER INGENIEROS, S.L. | MADRID | 2010-10-08 | GESIC01 | 212 |
| 303 | ATP ENERGIA, S.L. | VILLACAÑAS | 2024-06-01 | ATPC01 | 208 |
| 304 | INDAREL KUDEAKETA, S.L.U. | VITORIA-GASTEIZ | 2024-06-20 | INDAC01 | 204 |
| 305 | KINESTALIA ENERGIA, S.L. | MADRID | 2023-02-10 | KINEC01 | 204 |
| 306 | LUZYGAS IBERIA, S.L. | ALICANTE | 2025-01-22 | BERLC01 | 195 |
| 307 | IGNIS ELECTRICIDAD Y GAS, S.L. | MADRID | 2025-02-25 | MORTC01 | 194 |
| 308 | AYLUZ COMERCIALIZADORA ELECTRICA S.L | TOTANA | 2015-03-05 | AYLUC01 | 193 |
| 309 | ALIO ENERGIA SL | TORREVIEJA | 2023-06-14 | ALIOC01 | 193 |
| 310 | ENERSA ELECTRICIDAD, S.A. | MÁLAGA | 2024-10-30 | RENUC01 | 183 |
| 311 | ELECTRICA POPULAR, S. COOP. MAD | PERALES DE TAJUÑA | 2011-01-01 | ELPOC01 | 176 |
| 312 | ENERGY BY COGEN S.L.U. | BOADILLA DEL MONTE | 1900-01-01 | COGEC01 | 172 |
| 313 | PONTS COMERCIALITZADORA MUNICIPAL D’ENERGIA ELÈCTRICA, S.L.U | PONTS | 2017-09-08 | PONCC01 | 171 |
| 314 | CHURCH ENERGY, S.L. | FUENLABRADA | 2024-12-16 | CHENC01 | 164 |
| 315 | SUMA ENERGIA COMERCIALIZADORA SL | RAFELBUÑOL | 2020-07-16 | SUMAC01 | 164 |
| 316 | ADS ENERGY 8.0 SL | BADALONA | 2014-02-26 | ADSEC01 | 163 |
| 317 | SOMNI ENERGÍA GLOBAL, S.L. | BARCELONA | 2017-09-25 | LUCIC01 | 163 |
| 318 | ENERGIAREA EUROPE S.L. | BARCELONA | 2023-02-21 | ENEDC01 | 162 |
| 319 | COMERCIALIZADORA ELÉCTRICA SUDANELL, S.L.U. | SUDANELL | 2017-08-04 | ELESC01 | 160 |
| 320 | ENERGÍA GAS AL-ANDALUS, S.L. | SEVILLA | 2026-01-27 | ENEEC01 | 157 |
| 321 | RONDA OESTE ENERGÍA, S.L | MADRID | 2015-08-03 | OESTC01 | 156 |
| 322 | ENERGÍAS DEL ZINQUETA S.L. | PLAN | 2011-11-18 | ENZIC01 | 139 |
| 323 | ACCIONA COMERCIALIZADORA B2C, S.L. | SANT CUGAT DEL VALLÈS | 2023-02-08 | ALDDC01 | 138 |
| 324 | CAPWATT COMERCIAL, S.L.U. | MADRID | 2024-12-20 | CWCMC01 | 137 |
| 325 | ALDEFE COMERCIALIZADORA DE ENERGIA, S.L | MADRID | 2023-12-01 | ALDEC01 | 126 |
| 326 | ENERGIAS DE LA VILLA DE CAMPO, S.L. | CAMPO | 1900-01-01 | CAMCC01 | 126 |
| 327 | WIKU ENERGIA, S.L. | ESPINARDO | 2024-01-29 | LUCAC01 | 124 |
| 328 | VIRGIN ELECTRIC, S.L. UNIPERSONAL | CARBAJOSA DE LA SAGRADA | 2017-06-14 | VIRIC01 | 112 |
| 329 | 3D SMART ENERGY, S.L. | ALICANTE | 2021-12-08 | DSMAC01 | 109 |
| 330 | CUVER DESTELLA ENERGIA, S.L. | JACA | 2025-01-27 | CUVEC01 | 109 |
| 331 | FRANK ENERGIA IBERIA, S.L. | BARCELONA | 2023-11-22 | FRANC01 | 106 |
| 332 | POLAR COMERCIALIZADORA ELÉCTRICA, S.L. | VALENCIA | 2024-09-17 | POLAC01 | 104 |
| 333 | TORMESH SOLUTIONS, S.L. | SONDIKA | 2025-11-05 | TORMC01 | 101 |
| 334 | RDG COMERCIALIZADORA GALEGA DE ENERXÍA, S.A. | SANTIAGO DE COMPOSTELA | 2025-01-23 | RDGAC01 | 100 |
| 335 | AIZEN ENERGIA SOSTENIBLE Y RENOVABLE, S.L. | MADRID | 2024-04-25 | AIZEC01 | 99 |
| 336 | ISAE COMERCIALIZACION, S.L. | ALCÁSSER | 2024-09-20 | ISAEC01 | 99 |
| 337 | COMERCIAL Y ASESORA DE ELECTRICIDAD, S.L. | CORDOBA | 2010-05-21 | CYDAC01 | 94 |
| 338 | ELECTRODISTRIBUIDORA DE FUERZA Y ALUMBRADO CASABLANCA, S.COOP.V | ALMENARA | 2010-05-06 | EDFAC01 | 90 |
| 339 | AMPERE ENERGY COMERCIALIZADORA Y SERVICIOS ENERGETICOS, S.R.L. | PUÇOL | 2024-10-01 | AMPRC01 | 89 |
| 340 | LUX FORUM SL | MADRID | 2016-06-09 | LUXC01 | 83 |
| 341 | RECICLAJES ECOLOGICOS CHANDUY,S.L. | SANT PERE DE RIBES | 2021-05-03 | CHANC01 | 80 |
| 342 | ASTEN RENOVABLES, S.L.U. | GIJÓN | 2026-02-19 | ASTEC01 | 79 |
| 343 | URUS ENERGY SORIA, S.L. | ÓLVEGA | 2025-09-18 | URUSC01 | 76 |
| 344 | SIGNO ENERGY, S.L. | MADRID | 2021-02-04 | SIGNC01 | 76 |
| 345 | EFIRAM PATRIMONIO, S.L. | RONDA | 2025-11-17 | EFIRC01 | 76 |
| 346 | NOCTILUCA ENERGIA, S.L. | MADRID | 2025-06-16 | NOCTC01 | 73 |
| 347 | VIMCOMEL SL | CÓRDOBA | 2024-06-28 | VIMC01 | 73 |
| 348 | ZELTRIA ENERGIA | ALCANTARILLA | 2011-11-14 | ZELTC01 | 72 |
| 349 | CORPOLUX, S.L | CREVILLENT | 2013-07-12 | CORPC01 | 71 |
| 350 | ENERGÍA COSTA DORADA SL | CAMBRILS | 2017-10-20 | CODOC01 | 69 |
| 351 | COMERCIALIZADORA LA CHISTABINA, SLU | GISTAÍN | 2018-12-17 | CHISC01 | 67 |
| 352 | SISTEMAS URBANOS DE ENERGÍAS RENOVABLES S.L. | ZARAGOZA | 2017-08-04 | URBCC01 | 66 |
| 353 | FENERGAS ENERGIA, S.L. | BARCELONA | 2026-01-26 | FENEC01 | 65 |
| 354 | ELITE BIOENERGIA, S.L. | CAMBRE | 2022-01-14 | ELITC01 | 60 |
| 355 | SAMPOL INGENIERIA Y OBRAS SA | PALMA DE MALLORCA | 2011-09-13 | SAMPC01 | 54 |
| 356 | GAMBITOENERGY, S.L. | VITORIA - GASTEIZ | 2023-06-01 | GAMIC01 | 53 |
| 357 | SHARE YOUR ENERGY, S.L. | BARCELONA | 2022-01-01 | SYENC01 | 43 |
| 358 | NUKIK ENERGY, S.L. | MADRID | 2025-08-20 | NUKIC01 | 41 |
| 359 | COMERCIALITZADORA ELECTRICA DE MONTOLIU DE LLEIDA S.L.U | MONTOLIU | 2017-10-30 | ELMOC01 | 38 |
| 360 | ANTEA ENERGIA COMERCIALIZADORA SL | MADRID | 2017-04-19 | ANTEC01 | 36 |
| 361 | NORDWESTEN ENERGIE, S.L. | A CORUÑA | 2024-10-01 | NWENC01 | 21 |
| 362 | KIRIN RENOVABLES,S.L. | PIERA | 2024-09-04 | KIRIC01 | 21 |
| 363 | SUSTAINING AIR FOR EVERYONE, S.R.L. | VIGO | 2025-11-20 | SAFEC01 | 16 |
| 364 | BOAENERGETICA 2000, S.L. | LAS ROZAS DE MADRID | 2024-02-15 | BOAEC01 | 7 |
| 365 | COMERCIALIZADORA ELECTRICA DE TENERIFE, S.L. | ADEJE | 2025-03-11 | AHTC01 | 6 |
| 366 | COMERCIALIZADORA DE ENERGIA TRANSPARENTE, S.L. | ADEJE | 2025-01-29 | COMTC01 | 6 |
| 367 | ELECTRICA SALAS DE PALLARS COMERCIALITZADORA, S.L. | SALAS DE PALLARS | 2017-05-10 | SALPC01 | 5 |
| 368 | MONTARTO TECHNOLOGY, S.L. | MADRID | 2023-03-28 | MOTAC01 | 3 |
| 369 | NEMON INTELLIGENCE IN BUSINESS, S.L. | ASCÓ | 2014-06-05 | NEMOC01 | 3 |
| 370 | PANDORA ENERGIA, S.L. | GAVÁ | 2026-01-14 | PANDC01 | 2 |
| 371 | ENERGIA UNICA SOLUCIONES INTEGRALES, S.L. | BARCELONA | 2024-04-16 | ENEC01 | 1 |
| 372 | GEO LUZ Y GAS SLU | MADRID | 2025-02-12 | GEOLC01 | 0 |
| 373 | NOVALUZ ENERGÍA, S.L. | MÁLAGA | 2020-01-25 | NVLUC01 | 0 |
| 374 | TATANKA ENERGIA, S.L. | BARCELONA | 2026-03-27 | TATAC01 | 0 |
| 375 | QUIERO LUZ, S.L. | SANT PERE DE RIBES | 2020-10-20 | WATOC01 | 0 |
| 376 | | | | ZERC01 | 0 |
| 377 | GAS NATURAL COMERCIALIZADORA SA | MADRID | 1900-01-01 | GNCOC01 | 0 |
| 378 | SONNEDIX ESPAÑA COMERCIALIZADORA | MADRID | 2026-02-16 | SONNC01 | 0 |
| 379 | SAHKOA SMART ENERGY, S.L. | DURANGO | 2024-12-05 | SAHKC01 | 0 |
| 380 | URANOSCOPIDAE ENERGIA VI, S.L. | MADRID | 2024-11-07 | URVIC01 | 0 |
| 381 | ASEGE GESTIÓN, S.L | VAL DE SAN VICENTE | 2026-02-26 | ASEGC01 | 0 |
| 382 | MERKAOÑA, S.L. | OÑATI | 2026-03-05 | MERKC01 | 0 |
