| UNION INMOBILIARIA DE DEITANIA | MURCIA |
| UNION INMOBILIARIA DEL SURESTE | MURCIA |
| UNION INOXNOVA | MURCIA |
| UNION J. A. C. | MURCIA |
| UNION LABORIS ETT | MURCIA |
| UNION LINCE | MURCIA |
| UNION MADERERA DEL MEDITERRANEO | MURCIA |
| UNION MEDITERRANEA DE CONGELADOS | MURCIA |
| UNION METROPOLITANA DE SERVICIOS | MURCIA |
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|
| UNION MILMAR | MURCIA |
| UNION MORTAR | MURCIA |
| UNION MULTIMEDIA | MURCIA |
| UNION NAUTIC | MURCIA |
| UNION NAVAL 2001 | MURCIA |
| UNION NAZALAU | MURCIA |
| UNION PAL | MURCIA |
| UNION PAP CART SERVICE | MURCIA |
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| UNION PLANSECA | MURCIA |
| UNION PRODUCE FRESH | MURCIA |
| UNION PROMOSA | MURCIA |
