International Newspaper Marketing Association
INMA is the world's leading provider of global best practices and marketing ideas for newsmedia companies looking to grow amid profound market change. The association provides members with thought leadership and practical ideas to grow audience, advertising, brand, and profits.
https://www.inma.org/
California Newspaper Publishers Association
News, Newspapers, Publishers, Associations - California Newspaper Publishers Association. Membership requirements, legislative updates, regional units, training, state wide advertising coordination, classifieds, bulletins, good source for information on California's newspapers.
https://www.cnpa.com/