| ZENER ENCITEL | MADRID |
| ZENER ESPACIOS FORMATIVOS | MADRID |
| ZENER FARIVAL SPAIN | MADRID |
| ZENER PLUS | MADRID |
| ZENER SOFT CONSULTING | MADRID |
| ZENER TELECOM SYSTEM | MADRID |
| ZENERGIE SOLUCIONES Y DESARROLLOS | MADRID |
| ZENESE GROUP GLOBAL | MADRID |
| ZENET CAPITAL | MADRID |
|
|
| ZENETE INVERSIONES | MADRID |
| ZENGANE | MADRID |
| ZENIC WORLD | MADRID |
| ZENIDA INVESTMENTS | MADRID |
| ZENIOS GLOBAL CONSULTING | MADRID |
| ZENIT 21 BY NEXUM | MADRID |
| ZENIT ABEBA | MADRID |
| ZENIT AIR TRAFFIC CONTROL | MADRID |
|
|
| ZENIT AUDIO | MADRID |
| ZENIT AZAFATAS Y PROMOCIONES | MADRID |
| ZENIT CONSULTORES DE NUEVAS TECNOLOGIAS | MADRID |
