Morgan-Kaufmann
Morrow
M&T
Natur och Kultur
Nelson Business
New Riders
Nicholas Brealey
Nona
Norstedts
North River Press
Norton
No Starch
Nova Vista
NTC
Oak Tree Press
Oneworld
Open Object Press
Open Source Migrations
Open University
Optimal
Ordfront
O'Reilly
Original Book Company
Orion Business
Osborne