Ay caramba !
http://www.norid.no/index.en.html
is the company who is handeling all the Domain registration for the .no
You might find some usefull info there ?
What do you want to know, in more details ... ?
btw : The commercial part of InterNet in norway started to grow for full in 1993, before that time
it was only people connected to UniNett (
http://www.uninett.no/ ) that was able to use it ( more or less ).