Mediona OyAb is a Finnish occupational health service company producing mainly work place health promotion projects and processes. The methods used by Mediona focus on the well-being of the personnel, increased work ability and increased total productivity of the customer company/organization. 

Mediona uses the Metal Age method, which was originally constructed for the aging steel workers in the European Union hence the name.

Today Metal Age has been successfully used among employees of all ages and at all kinds of work places. 

The Kiva-questionnaire evaluates the results of the work place health promotion activities.