The Thomson ONE "Screening & Analysis"-"Company Screener" can be used to build a more complete list of publicly listed companies over time by using only
two criteria in the search: isNa(tf.PrivateIndicator) and IsInList(tf.CountryCode, "FIN"). See a screenshot of the criteria.
Everyone who thinks that the basics of finance course (or any other course) was too simple may update their skills with this
document: Finance theory and applications (in finnish).
It's pretty much the same material but presented "thoroughly".
The presentation suite think-cell is available on demand from the Finance department.
Try it to make professionally looking presentations e.g., for your course assignments and bachelor's and master's thesis.