Petronor
Petronor is a Spanish petroleum refining company based in Muskiz that operates the largest oil refinery in Spain. It is a subsidiary of Repsol, an international energy and petrochemical company headquartered in Madrid.
Brand Identity Data
HQ Country
Spain
HQ City
Muskiz
Founded
1968
EU Headquartered
Yes
EU Manufactured
Yes
Stock Exchange
Private
Repair / Recycling
No
Ethical Certifications
None verified
Verified on July 22, 2026