High Quality Content by WIKIPEDIA articles! The Thomson Corporation was one of the world's largest information companies. Thomson was active in financial services, healthcare sectors, law, science & technology research, and tax & accounting sectors. The company operated through five segments (2007 onwards): Thomson Financial, Thomson Healthcare, Thomson Legal, Thomson Scientific, and Thomson Tax & Accounting. Until 2007, Thomson was also one of the world's leading providers of higher education textbooks, academic information solutions and reference materials. On October 26, 2006, Thomson announced the proposed sale of its Thomson Learning assets. In May 2007, Thomson Learning was acquired by Apax Partners and subsequently renamed Cengage Learning in July. The Thomson Learning brand was used through the end of August, 2007.