The age and experience of those manufacturing companies vary greatly.
In the PDF you can see the year of establishment on each manufacturer.
PS: one of the manufacturers has been in business for nearly 60 years!

The yearly turnover and the number of employees can give you a good insight into how "healthy" a company is.
In the PDF you find detailed information about the number of employees (by department!) and the turnover of each company.

Most manufacturers have experience in Scandinavia.
If you are in another country you can look into the PDF to see which manufacturer has already built near to your location.

The equipment used in production varies greatly from company to company.
Some invested heavily into automation while others preferred to stick to more traditional labor-intensive processes.
In the PDF you can find details of which type of production equipment is used by each manufacturer.

Some manufacturers focus on modules, some on elements. Some use cross-laminated timber and some not...
In the PDF you find details on who-is-using-which technology. 

Some producers want to focus on particular types of projects only and they will ignore everything else that comes on their desk.
To avoid wasting your time you should know who is eager to see your project and ignore the rest.
In the PDF you can find information on who wants to deal with your type of project.

Some producers want to focus on particular types of clients (private or business).
To avoid wasting your time you should know who is eager to deal with you.
In the PDF you can find information on who wants to deal with each type of client.

Some manufacturers do not want to take small projects.
The minimum size ranges between 1000 EUR and 500 000 EUR.

To find out exactly which is the minimum size set by each manufacturer, get the PDF.