Users in more than 100 countries count on LexisNexis Group to flex its information muscle. A unit of publishing giant Reed Elsevier Group, the company offers subscribers access to thousands of sources -- including newspaper, magazine, and journal articles, and public records -- through the Internet, CD-ROMs, and books. The bulk of its content focuses on legal, tax, business, government, academic, and risk management information. The company's flagship legal research service, lexisnexis.com, offers online access to legal documents from some 35,000 sources. LexisNexis launched the Nexis news and business information research service in 1980; the company became part of Reed Elsevier Group in 1994.