Could someone help complete a list of the top, say 25 oldest and still operating publishing houses? Any oldest that I may have missed?
1. Schwabe
"Founded in 1488 by Johannes Petri and is the oldest publishing house still in business" (http://en.wikipedia.org/wiki/Basel).
2. Cambridge University Press (UK, 1534)
(http://en.wikipedia.org/wiki/Cambridge_University_Press)
3. Brill (The Netherlands, 1683)
Britain's oldest publisher is Cambridge University Press, established in 1534. It is one of the oldest publishing houses in the world, with roots tracing back to a printing house set up at the University of Cambridge in 1534.
Rodionov Publishing House was created in 1998.
Islamic Publishing House was created in 1945.
Academia - publishing house - was created in 1922.
Academia - publishing house - ended in 1937.
Humanitas publishing house was created in 1990.
Melville House Publishing was created in 2001.
Jaico Publishing House was created in 1946.
Nazarene Publishing House was created in 1912.
Horwitz Publishing House was created in 1921.
Vatican Publishing House was created in 1926.
Manor House Publishing was created in 1998.