Tags: Publisher.
PennWell Corporation is a family-owned diversified business-to-business publisher founded in 1910 and based in Tulsa Oklahoma.PennWell publishes 45 business-to-business magazines and newsletters conducts over 60 conferences and exhibitions on six continents and has an extensive offering of books maps directories and database services. In 2011 it acquired a data mapping company and also expanded its publications in the technology field.