http://www.wiley.com/WileyCDA/Section/id-300002.html
"Wiley's "core businesses include scientific, technical, and medical journals, encyclopedias, books, and online products and services; professional and consumer books and subscription services; and educational materials for undergraduate and graduate students and lifelong learners. Wiley has publishing, marketing, and distribution centers in the United States, Canada, Europe, Asia, and Australia. The company is listed on the New York Stock Exchange under the symbols JWa and JWb."
http://www.haworthpress.com/default.asp
"The Haworth Press publishes books in a wide variety of subject areas for academic and professional audiences…"
"Since 1989, Course Technology has been publishing innovative texts and creative electronic learning solutions to help educators teach, students learn, and individuals expand their interest in and understanding of emergent and current technologies."
"Publisher of learning products for the business education market."
"As the world's leading publisher of academic and reference textbooks, Prentice Hall is committed to providing the most innovative, flexible, and powerful educational materials available today."
http://www.pearsoned.com/higher-ed/index.htm
"Pearson is one of the world's great publishers. We publish more books than any other company and we reach millions of people every day, in print and online."