The story
Commerce Clearing House was founded in 1892 and was acquired by Oakleigh Thorne in 1907.
CCH has been publishing materials on U.S. tax law and tax compliance since the inception of the modern U.S. federal income tax in 1913. CCH owned the publisher Facts on File from 1965 to 1993. Wolters Kluwer bought CCH in 1995.
Today, CCH is also recognized for its software and integrated workflow tools. CCH operates on a global scale and includes operations in the United States, Europe, Asia-Pacific and Canada.
From Wikipedia’s article on CCH (company), shared under CC BY-SA 4.0.4