Co-operative company: Workers, Families, Companies and Local Councils.
Number of members: 450
Collaborating Members:
| COMPANIES |
LOCAL COUNCILS |
| MATRICI S. COOP. |
Ayto. LOIU |
| ONDOAN S. COOP. |
Ayto. SONDIKA |
| ONA-PRES S. COOP. |
Ayto. DERIO |
| ARTECHE S.A. |
Ayto. LEZAMA |
| GAZTEMPRESA |
Ayto. ZAMUDIO |
| |
Ayto. LARRABETZU |