As of December 31, 2008, the active working population was employed as follows:
Industries Working population
Services 43,049
Industry 11,111
Commerce 10,848
Construction 5,449
Transport 3,698
Farming, forestry and mining 582
Unknown 431
Total 75,158
In 2011, the most important employers were:
Employer No. of employees
City of Oulu 9,709
Northern Ostrobothnia Hospital District 6,144
University of Oulu 3,045
Nokia Siemens Networks 2,100
Nokia Group 2,000
The Oulu Region Joint Authority for Vocational Training 1,955
Kesko Group 1,426
Cooperative Arina Group (S Group) 1,107
Stora Enso Group 1,155
Itella Corporation 780
ISS Palvelut Oy 730
ODL Group
