These items lead you to background information on ethics-related topics.
Business & Company Resource Center: http://uclibs.org/PID/113854
This database has industry overviews. Additionally, there are company reports and news articles. This place is easiest to find a NAICS industry code for your company or industry (hint: this information is useful to get a list of local companies).
Business Source Complete: http://libraries.ucsd.edu/sage/stats?asset=2005313
This database also has industry overviews, company reports and news articles. In addition is has the literature of CSR – including coverage of research articles in journals like Journal of Business Ethics, Business Ethics Quarterly, Business & Society, Business Ethics: a European Review, Academy of Mangement Review, the Ruffin Series on Business Ethics, Corporate Governance and many more.
Lexis-Nexis Academic: http://libraries.ucsd.edu/sage/stats?asset=54
Use Company Dossier to create a list of companies by industry and geographic location; lists are sortable by features like number of employees or sales.