Petronor, S.A.San Martín 5-Muñatones Building,, Muskiz , Biscay, Spain

Petronor represents the industrial vanguard of the oil sector and champions the spirit of tradition and proximity to the environment in which it is located, and to which it owes its productive strength. With a production potential of 12 million tons / year , it is the largest refinery in Spain, and exports just over a third of its production. It employs 945 staff and has an induced employment of 6,200 people.