| TELEFÓNICA DE ESPAÑA, S.A. UNIPERSONAL | 4410 | 0 | 353 |
| ORANGE ESPAGNE, S.A. UNIPERSONAL | 675 | 117 | 387 |
| VODAFONE ESPAÑA, S.A. UNIPERSONAL | 829 | 80 | 204 |
| VODAFONE ONO, S.A. UNIPERSONAL | 830 | 0 | 130 |
| ORANGE ESPAÑA COMUNICACIONES FIJAS, S.L. UNIPERSONAL | 498 | 0 | 0 |
| TELEFÓNICA MÓVILES ESPAÑA, S.A. UNIPERSONAL | 52 | 56 | 314 |
| XTRA TELECOM, S.A. UNIPERSONAL | 350 | 0 | 53 |
| COLT TECHNOLOGY SERVICES, S.A. UNIPERSONAL | 133 | 0 | 91 |
| ENREACH COMMUNICATIONS, S.L. | 153 | 1 | 24 |
| AIRE NETWORKS DEL MEDITERRÁNEO, S.L. UNIPERSONAL | 127 | 5 | 43 |
| EVOLUTIO CLOUD ENABLER, S.A. UNIPERSONAL | 112 | 0 | 42 |
| R CABLE Y TELECABLE TELECOMUNICACIONES, S.A. UNIPERSONAL | 104 | 5 | 23 |
| EUSKALTEL, S.A. | 102 | 5 | 21 |
| TELEFÓNICA IOT & BIG DATA TECH, S.A. UNIPERSONAL | 0 | 1 | 127 |
| DIGI SPAIN TELECOM, S.A. UNIPERSONAL | 64 | 60 | 3 |
| LLEIDANETWORKS SERVEIS TELEMÀTICS SA | 108 | 1 | 4 |
| CHADEVA SUR 2001, S.L. UNIPERSONAL | 100 | 0 | 10 |
| XFERA MÓVILES, S.A. UNIPERSONAL | 0 | 77 | 31 |
| VOXBONE, S.A. | 71 | 0 | 21 |
| ORBITAL TELEFONÍA Y EQUIPOS, S.L. | 86 | 0 | 4 |
| DIALOGA SERVICIOS INTERACTIVOS, S.A. | 57 | 0 | 31 |
| ALAI OPERADOR DE TELECOMUNICACIONES, S.L. | 50 | 14 | 21 |
| GAMMA OPERADORA DE COMUNICACIONES, S.A. UNIPERSONAL | 51 | 0 | 26 |
| OPERADORA DE TELECOMUNICACIONES OPERA, S.L. | 57 | 0 | 17 |
| PREMIUM NUMBERS, S.L. | 50 | 0 | 22 |
| SINCH COMMUNICATIONS SPAIN, S.L. | 0 | 0 | 70 |
| VERIZON SPAIN, S.L. | 54 | 0 | 16 |
| DUOCOM EUROPE, S.L. | 56 | 0 | 11 |
| INETUM ESPAÑA S.A. | 50 | 0 | 16 |
| ORANGE BUSINESS SPAIN, S.A. | 49 | 0 | 16 |
| MANIFONE IBERIA, S.L. | 62 | 0 | 2 |
| SEWAN ESPAÑA, S.L. UNIPERSONAL | 53 | 3 | 7 |
| DIDWW IRELAND LIMITED | 58 | 0 | 3 |
| BT GLOBAL ICT BUSINESS SPAIN, S.L. UNIPERSONAL | 50 | 0 | 10 |
| PEOPLETEL, S.A. | 22 | 0 | 37 |
| ALHAMBRA SYSTEMS, S.A. | 55 | 0 | 3 |
| TWILIO IRELAND LIMITED | 54 | 0 | 4 |
| PROCONO, S.A. | 44 | 3 | 10 |
| TELCOM BUSINESS SOLUTIONS S.L. | 53 | 0 | 4 |
| IPARFIBRA, S.L. UNIPERSONAL | 55 | 0 | 1 |
| COMUNISTONE, S.L. | 53 | 0 | 2 |
| IOVOX LTD | 55 | 0 | 0 |
| INSTAL MATEL, S.L. | 51 | 0 | 3 |
| VOZ COMPUTING, S.L. UNIPERSONAL | 50 | 0 | 4 |
| AVATEL MÓVIL, S.L. UNIPERSONAL | 50 | 2 | 1 |
| BNT BUSINESS, S.L. | 51 | 0 | 2 |
| SINEASEN, S.L. | 50 | 0 | 3 |
| SIPTIZE SL | 50 | 1 | 2 |
| IBERIA VOZ & DATA, S.L. | 50 | 0 | 2 |
| MAS IP TI, S.L. | 49 | 1 | 2 |
| VOICE CLOUD SL | 50 | 0 | 2 |
| TEDRA GLOBAL SOLUTIONS, S.L. | 50 | 0 | 0 |
| CITELIA, S.A. | 44 | 2 | 3 |
| ADAMO TELECOM IBERIA, S.A. | 37 | 2 | 5 |
| D-MOBILELAB SPAIN, S.A. UNIPERSONAL | 0 | 0 | 43 |
| PEPEMOBILE, S.L. | 0 | 34 | 1 |
| BELGACOM INTERNATIONAL CARRIER SERVICES SA | 27 | 0 | 6 |
| SUMA OPERADOR DE TELECOMUNICACIONES, S.L. UNIPERSONAL | 0 | 7 | 21 |
| GRUPALIA INTERNET S.A. | 9 | 1 | 16 |
| ORANGE ESPAÑA VIRTUAL, S.L. UNIPERSONAL | 0 | 17 | 5 |
| OPEN CABLE TELECOMUNICACIONES, S.L. | 16 | 4 | 1 |
| WEWI MOBILE, S.L. | 0 | 20 | 1 |
| BB PHONE LEVANTE, S.L. UNIPERSONAL | 1 | 11 | 1 |
| SARENET, S.A. | 9 | 2 | 1 |
| ONMOVIL COMUNICACIONES MÓVILES, S.L. UNIPERSONAL | 0 | 10 | 0 |
| JETNET WIMAX, S.A. | 6 | 1 | 0 |
| OLAMO MOBILE, S.L. UNIPERSONAL | 0 | 5 | 0 |
| SILBO TELECOMUNICACIONES, S.L. | 0 | 4 | 1 |
| SUOP MOBILE, S.L. | 0 | 4 | 0 |
| YOU MOBILE TELECOM SPAIN, S.L. UNIPERSONAL | 0 | 3 | 0 |
| DRAGONET COMUNICACIONES, S.L. | 1 | 1 | 0 |
| LYNTIA NETWORKS, S.A. UNIPERSONAL | 0 | 2 | 0 |
| NEW ERA VISIONARY GROUP IBERIA, S.L. | 0 | 1 | 1 |
| QUATTRE INTERNET, S.L. | 0 | 2 | 0 |
| ZINNIA TELECOMUNICACIONES, S.L. UNIPERSONAL | 0 | 1 | 1 |
| 1GLOBAL OPS (SPAIN), S.L. UNIPERSONAL | 0 | 1 | 0 |
| 3D SOLUCIONES MÓVILES, S.L. UNIPERSONAL | 0 | 1 | 0 |
| 7P SERVICIOS INTEGRADOS, S.L. UNIPERSONAL | 0 | 1 | 0 |
| AIRETECHCO, S.L. UNIPERSONAL | 0 | 1 | 0 |
| ATUAXANELA, S.L. | 0 | 1 | 0 |
| ESDOMO TELECOM, S.L. UNIPERSONAL | 0 | 1 | 0 |
| FIBRITEL TELECOMUNICACIONES, S.L. | 0 | 1 | 0 |
| FOOTBALLERISTA MOBILE SPAIN, S.A. UNIPERSONAL | 0 | 1 | 0 |
| IBERSONTEL SOLUCIONES MÓVILES, S.L. | 0 | 1 | 0 |
| JARIT-AGEA, S.L. UNIPERSONAL | 0 | 1 | 0 |
| LOCAL EXCHANGE GLOBAL OPERATION SERVICES, S.L. UNIPERSONAL | 0 | 1 | 0 |
| NEOTEL 2000, S.L. UNIPERSONAL | 0 | 1 | 0 |
| NORVOZ TELECOM, S.L. | 0 | 1 | 0 |
| PENTACOM INVESTMENTS (SPAIN) OPCO, S.L. UNIPERSONAL | 0 | 1 | 0 |
| SISNET OPERADOR DE TELECOMUNICACIONES, S.L. UNIPERSONAL | 0 | 1 | 0 |
| TELFY TELECOM, S.L. | 0 | 1 | 0 |
| TELYRA TELECOM, S.L. UNIPERSONAL | 0 | 1 | 0 |
| XIPERS MOBILE, S.L. | 0 | 1 | 0 |
| YUPTEL TELECOM SPAIN, S.L. | 0 | 1 | 0 |