New York may be our publishing capital but the major publishers are mostly parts of conglomerates now.
From Publishers Weekly: Despite concerns about consolidation among publishing houses, sales of the top 10 companies accounted for 55% of revenue of the 50 publishers that are on the list for both 2012 and 2011, down from 57% in 2011. One reason for the decline is the increasing number of publishers from emerging markets gaining sales worldwide. That has been especially true among publishers in the 20th to 50th spots on the ranking; total revenues from those 30 companies accounted for 25% of sales in 2012, up from 21% in 2011. In addition, several new companies have been added to the ranking this year, including two Chinese publishers and one from Russia, bringing the list to 60 publishers.