There is a link to look up ticker symbol. Search by company name, SIC code, or ticker symbol. Global Symbol Database link is also on this page. A quick picture of some 40 major industries and 80 subgroups. This is a statistical source on 4,000 companies in 137 industries.
Indexes lead to companies.
Narratives and data on hundreds of industries. Dow Jones Interactive Databases Access to 6,000 business journals. Consult Business Subjects Databases guide.